diff --git a/CHANGELOG.md b/CHANGELOG.md
index fabb4a1..993a9ad 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -51,6 +51,10 @@ This project tries to follow [SemVer 2.0.0](https://semver.org/).
   much quicker as it can skip applying migrations that are already
   applied. (#144)
 
+- Added automatic JSON indentation in HTTP responses based on the user agent, if
+  they are a desktop, mobile, or tablet device, or specifically cURL. Can be
+  disabled by the new query parameter `?pretty=false`. (#158)
+
 - Changed query parameter `?status` and `?statusId` in `GET /api/build` to
   support multiple values, where it will respond with builds matching any of the
   supplied statuses. (#150)
@@ -59,19 +63,20 @@ This project tries to follow [SemVer 2.0.0](https://semver.org/).
   the Sqlite database driver. The HTTP response model still uses the field name
   `"token"`. (#144)
 
-- Added numerous dependencies:
+- Added dependencies:
 
   - `github.com/alta/protopatch` v0.5.0 (#147)
-  - `github.com/go-gormigrate/gormigrate/v2` v2.0.0. (#144)
+  - `github.com/go-gormigrate/gormigrate/v2` v2.0.0 (#144)
+  - `github.com/mileusna/useragent` v1.0.2 (#158)
   - `github.com/soheilhy/cmux` v0.1.5 (#147)
   - `google.golang.org/grpc` v1.44.0 (#147)
   - `google.golang.org/protobuf` v1.27.1 (#147)
 
 - Changed version of numerous dependencies:
 
-  - `github.com/gin-gonic/gin` from v1.7.4 to v1.7.7. (#151)
-  - `github.com/swaggo/gin-swagger` from v1.3.1 to v1.4.1. (#151)
-  - `github.com/swaggo/swag` from v1.7.1 to v1.8.0. (#151)
+  - `github.com/gin-gonic/gin` from v1.7.4 to v1.7.7 (#151)
+  - `github.com/swaggo/gin-swagger` from v1.3.1 to v1.4.1 (#151)
+  - `github.com/swaggo/swag` from v1.7.1 to v1.8.0 (#151)
   - `gorm.io/driver/postgres` from v1.1.1 to v1.2.3 (#144)
   - `gorm.io/driver/sqlite` from v1.1.5 to v1.2.6 (#144)
   - `gorm.io/gorm` from v1.21.15 to v1.22.5 (#144)
diff --git a/artifact.go b/artifact.go
index 6ceb44e..d6f0499 100644
--- a/artifact.go
+++ b/artifact.go
@@ -47,6 +47,7 @@ var defaultGetArtifactsOrderBy = orderby.Column{Name: database.ArtifactColumns.A
 // @description while the matching filters are meant for searches by humans where it tries to find soft matches and is therefore inaccurate by nature.
 // @description Added in v5.0.0.
 // @tags artifact
+// @produce json
 // @param buildId path uint true "Build ID" minimum(0)
 // @param limit query int false "Number of results to return. No limiting is applied if empty (`?limit=`) or non-positive (`?limit=0`). Required if `offset` is used." default(100)
 // @param offset query int false "Skipped results, where 0 means from the start." minimum(0) default(0)
@@ -56,6 +57,7 @@ var defaultGetArtifactsOrderBy = orderby.Column{Name: database.ArtifactColumns.A
 // @param nameMatch query string false "Filter by matching artifact name. Cannot be used with `name`."
 // @param fileNameMatch query string false "Filter by matching artifact file name. Cannot be used with `fileName`."
 // @param match query string false "Filter by matching on any supported fields."
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.PaginatedArtifacts
 // @failure 400 {object} problem.Response "Bad request"
 // @failure 401 {object} problem.Response "Unauthorized or missing jwt token"
@@ -120,7 +122,7 @@ func (m artifactModule) getBuildArtifactListHandler(c *gin.Context) {
 		return
 	}
 
-	c.JSON(http.StatusOK, response.PaginatedArtifacts{
+	renderJSON(c, http.StatusOK, response.PaginatedArtifacts{
 		List:       modelconv.DBArtifactsToResponses(dbArtifacts),
 		TotalCount: totalCount,
 	})
@@ -131,6 +133,7 @@ func (m artifactModule) getBuildArtifactListHandler(c *gin.Context) {
 // @summary Get build artifact
 // @description Added in v0.7.1.
 // @tags artifact
+// @produce multipart/form-data
 // @param buildId path uint true "Build ID" minimum(0)
 // @param artifactId path uint true "Artifact ID" minimum(0)
 // @success 200 {file} string "OK"
@@ -193,6 +196,7 @@ func (m artifactModule) getBuildArtifactHandler(c *gin.Context) {
 // @failure 502 {object} problem.Response "Database is unreachable"
 // @router /build/{buildId}/artifact [post]
 func (m artifactModule) createBuildArtifactHandler(c *gin.Context) {
+	log.Debug().Message("Start of createBuildArtifactHandler")
 	buildID, ok := ginutil.ParseParamUint(c, "buildId")
 	if !ok {
 		return
@@ -221,7 +225,9 @@ func (m artifactModule) createBuildArtifactHandler(c *gin.Context) {
 // @description Deprecated, /build/{buildid}/test-result/list-summary should be used instead.
 // @description Added in v0.7.0.
 // @tags artifact
+// @produce json
 // @param buildId path uint true "Build ID" minimum(0)
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.TestsResults
 // @failure 400 {object} problem.Response "Bad request"
 // @failure 401 {object} problem.Response "Unauthorized or missing jwt token"
@@ -264,7 +270,7 @@ func (m artifactModule) getBuildTestResultListHandler(c *gin.Context) {
 		resResults.Status = response.TestStatusFailed
 	}
 
-	c.JSON(http.StatusOK, resResults)
+	renderJSON(c, http.StatusOK, resResults)
 }
 
 func createArtifacts(c *gin.Context, db *gorm.DB, files []ctxparser.File, buildID uint) ([]database.Artifact, bool) {
diff --git a/branch.go b/branch.go
index 1a1b60e..b8d907f 100644
--- a/branch.go
+++ b/branch.go
@@ -32,7 +32,9 @@ func (m branchModule) Register(g *gin.RouterGroup) {
 // @summary Get list of branches.
 // @description Added in v5.0.0.
 // @tags branch
+// @produce json
 // @param projectId path uint true "project ID" minimum(0)
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.PaginatedBranches "Branches"
 // @failure 400 {object} problem.Response "Bad request"
 // @failure 401 {object} problem.Response "Unauthorized or missing jwt token"
@@ -58,7 +60,7 @@ func (m branchModule) getProjectBranchListHandler(c *gin.Context) {
 		return
 	}
 	dbDefaultBranch := findDefaultDBBranch(dbBranches)
-	c.JSON(http.StatusOK, modelconv.DBBranchListToPaginatedResponse(dbBranches, int64(len(dbBranches)), dbDefaultBranch))
+	renderJSON(c, http.StatusOK, modelconv.DBBranchListToPaginatedResponse(dbBranches, int64(len(dbBranches)), dbDefaultBranch))
 }
 
 // createProjectBranchHandler godoc
@@ -72,6 +74,7 @@ func (m branchModule) getProjectBranchListHandler(c *gin.Context) {
 // @produce json
 // @param projectId path uint true "project ID" minimum(0)
 // @param branch body request.Branch true "Branch object"
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 201 {object} response.Branch "Created branch"
 // @failure 400 {object} problem.Response "Bad request"
 // @failure 401 {object} problem.Response "Unauthorized or missing jwt token"
@@ -121,7 +124,7 @@ func (m branchModule) createProjectBranchHandler(c *gin.Context) {
 			projectID))
 		return
 	}
-	c.JSON(http.StatusCreated, modelconv.DBBranchToResponse(dbBranch))
+	renderJSON(c, http.StatusCreated, modelconv.DBBranchToResponse(dbBranch))
 }
 
 // updateProjectBranchListHandler godoc
@@ -137,6 +140,7 @@ func (m branchModule) createProjectBranchHandler(c *gin.Context) {
 // @produce json
 // @param projectId path uint true "project ID" minimum(0)
 // @param branches body request.BranchListUpdate true "Branch update"
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.BranchList "Updated branches"
 // @failure 400 {object} problem.Response "Bad request"
 // @failure 401 {object} problem.Response "Unauthorized or missing jwt token"
@@ -164,7 +168,7 @@ func (m branchModule) updateProjectBranchListHandler(c *gin.Context) {
 		return
 	}
 	resBranchList := modelconv.DBBranchListToResponse(dbBranchList.branches, dbBranchList.defaultBranch)
-	c.JSON(http.StatusOK, resBranchList)
+	renderJSON(c, http.StatusOK, resBranchList)
 }
 
 type databaseBranchList struct {
diff --git a/build.go b/build.go
index 5bb446a..bdf2f12 100644
--- a/build.go
+++ b/build.go
@@ -90,7 +90,9 @@ func build(buildID uint) broadcast.Broadcaster {
 // @summary Finds build by build ID
 // @description Added in v0.3.5.
 // @tags build
+// @produce json
 // @param buildId path uint true "build id" minimum(0)
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.Build
 // @failure 400 {object} problem.Response "Bad request"
 // @failure 401 {object} problem.Response "Unauthorized or missing jwt token"
@@ -117,7 +119,7 @@ func (m buildModule) getBuildHandler(c *gin.Context) {
 	}
 
 	resBuild := modelconv.DBBuildToResponse(dbBuild, m.engineLookup)
-	c.JSON(http.StatusOK, resBuild)
+	renderJSON(c, http.StatusOK, resBuild)
 }
 
 var buildJSONToColumns = map[string]database.SafeSQLName{
@@ -141,6 +143,7 @@ var defaultGetBuildsOrderBy = orderby.Column{Name: database.BuildColumns.BuildID
 // @description while the matching filters are meant for searches by humans where it tries to find soft matches and is therefore inaccurate by nature.
 // @description Added in v5.0.0.
 // @tags build
+// @produce json
 // @param limit query int false "Number of results to return. No limiting is applied if empty (`?limit=`) or non-positive (`?limit=0`). Required if `offset` is used." default(100)
 // @param offset query int false "Skipped results, where 0 means from the start." minimum(0) default(0)
 // @param orderby query []string false "Sorting orders. Takes the property name followed by either 'asc' or 'desc'. Can be specified multiple times for more granular sorting. Defaults to `?orderby=buildId desc`"
@@ -160,6 +163,7 @@ var defaultGetBuildsOrderBy = orderby.Column{Name: database.BuildColumns.BuildID
 // @param gitBranchMatch query string false "Filter by matching build Git branch. Cannot be used with `gitBranch`."
 // @param stageMatch query string false "Filter by matching build stage. Cannot be used with `stage`."
 // @param match query string false "Filter by matching on any supported fields."
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.PaginatedBuilds
 // @failure 400 {object} problem.Response "Bad request"
 // @failure 401 {object} problem.Response "Unauthorized or missing jwt token"
@@ -272,7 +276,7 @@ func (m buildModule) getBuildListHandler(c *gin.Context) {
 		return
 	}
 
-	c.JSON(http.StatusOK, response.PaginatedBuilds{
+	renderJSON(c, http.StatusOK, response.PaginatedBuilds{
 		List:       modelconv.DBBuildsToResponses(dbBuilds, m.engineLookup),
 		TotalCount: totalCount,
 	})
@@ -294,7 +298,9 @@ func parseBuildStatusOrWriteError(c *gin.Context, str, paramName string) (databa
 // @summary Finds logs for build with selected build ID
 // @description Added in v0.3.8.
 // @tags build
+// @produce json
 // @param buildId path uint true "build id" minimum(0)
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} []response.Log "logs from selected build"
 // @failure 400 {object} problem.Response "Bad request"
 // @failure 401 {object} problem.Response "Unauthorized or missing jwt token"
@@ -324,7 +330,7 @@ func (m buildModule) getBuildLogListHandler(c *gin.Context) {
 		}
 	}
 
-	c.JSON(http.StatusOK, resLogs)
+	renderJSON(c, http.StatusOK, resLogs)
 }
 
 // streamBuildLogHandler godoc
@@ -332,6 +338,7 @@ func (m buildModule) getBuildLogListHandler(c *gin.Context) {
 // @summary Opens stream listener
 // @description Added in v0.3.8.
 // @tags build
+// @produce json-stream
 // @param buildId path uint true "build id" minimum(0)
 // @success 200 "Open stream"
 // @failure 400 {object} problem.Response "Bad request"
@@ -363,6 +370,7 @@ func (m buildModule) streamBuildLogHandler(c *gin.Context) {
 // @summary Post a log to selected build
 // @description Added in v0.1.0.
 // @tags build
+// @accept json
 // @param buildId path uint true "build id" minimum(0)
 // @param data body request.LogOrStatusUpdate true "data"
 // @success 201 "Created"
@@ -502,6 +510,7 @@ func createLogBatchSqliteQuery(db *gorm.DB, dbLogs []database.Log) *gorm.DB {
 // @summary Update a build's status.
 // @description Added in v5.0.0.
 // @tags build
+// @accept json
 // @param buildId path uint true "Build ID" minimum(0)
 // @param data body request.BuildStatusUpdate true "Status update"
 // @success 204 "Updated"
@@ -626,11 +635,13 @@ func (m buildModule) getLogs(buildID uint) ([]database.Log, error) {
 // @description Added in v0.2.4.
 // @tags project
 // @accept json
+// @produce json
 // @param projectId path uint true "project ID" minimum(0)
 // @param stage path string true "name of stage to run, or specify ALL to run everything"
 // @param branch query string false "branch name, uses default branch if omitted"
 // @param environment query string false "environment name"
 // @param inputs body string _ "user inputs" example(foo:bar)
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.BuildReferenceWrapper "Build scheduled"
 // @failure 400 {object} problem.Response "Bad request, such as invalid body JSON"
 // @failure 401 {object} problem.Response "Unauthorized or missing jwt token"
@@ -655,12 +666,14 @@ func (m buildModule) oldStartProjectBuildHandler(c *gin.Context) {
 // @description Added in v5.0.0.
 // @tags build
 // @accept json
+// @produce json
 // @param projectId path uint true "Project ID" minimum(0)
 // @param stage query string false "Name of stage to run, or specify `ALL` to run all stages." default(ALL)
 // @param branch query string false "Branch name. Uses project's default branch if omitted"
 // @param environment query string false "Environment name filter. If left empty it will run all stages without any environment filters."
 // @param engine query string false "Execution engine ID"
 // @param inputs body request.BuildInputs _ "Input variable values. Map of variable names (as defined in the project's `.wharf-ci.yml` file) as keys paired with their string, boolean, or numeric value."
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.BuildReferenceWrapper "Build scheduled"
 // @failure 400 {object} problem.Response "Bad request, such as invalid body JSON"
 // @failure 401 {object} problem.Response "Unauthorized or missing jwt token"
@@ -822,6 +835,7 @@ func (m buildModule) startBuildHandler(c *gin.Context, projectID uint, stageName
 		}
 	}
 
+	renderJSON(c, http.StatusOK, modelconv.DBBuildToResponseBuildReferenceWrapper(dbBuild))
 	c.JSON(http.StatusOK, modelconv.DBBuildToResponseBuildReferenceWrapper(dbBuild))
 }
 
diff --git a/engine.go b/engine.go
index deff352..c5b21d5 100644
--- a/engine.go
+++ b/engine.go
@@ -20,6 +20,8 @@ func (m engineModule) Register(r *gin.RouterGroup) {
 // @summary Get list of engines.
 // @description Added in v5.1.0.
 // @tags engine
+// @produce json
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.EngineList "Engines"
 // @failure 401 {object} problem.Response "Unauthorized or missing jwt token"
 // @router /engine [get]
@@ -36,7 +38,7 @@ func (m engineModule) getEngineList(c *gin.Context) {
 	}
 	engines := getEnginesFromConfig(conf)
 	res.List = convCIEnginesToResponses(engines)
-	c.JSON(200, res)
+	renderJSON(c, 200, res)
 }
 
 func getEnginesFromConfig(ciConf CIConfig) []CIEngineConfig {
diff --git a/go.mod b/go.mod
index 4b4b09b..d117ad6 100644
--- a/go.mod
+++ b/go.mod
@@ -10,6 +10,7 @@ require (
 	github.com/go-gormigrate/gormigrate/v2 v2.0.0
 	github.com/golang-jwt/jwt/v4 v4.1.0
 	github.com/iver-wharf/wharf-core v1.3.0
+	github.com/mileusna/useragent v1.0.2
 	github.com/stretchr/testify v1.7.0
 	github.com/swaggo/gin-swagger v1.4.1
 	github.com/swaggo/swag v1.8.0
diff --git a/go.sum b/go.sum
index 078cf47..ef163fe 100644
--- a/go.sum
+++ b/go.sum
@@ -413,6 +413,8 @@ github.com/mattn/go-sqlite3 v1.14.11 h1:gt+cp9c0XGqe9S/wAHTL3n/7MqY+siPWgWJgqdsF
 github.com/mattn/go-sqlite3 v1.14.11/go.mod h1:NyWgC/yNuGj7Q9rpYnZvas74GogHl5/Z4A/KQRfk6bU=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
 github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
+github.com/mileusna/useragent v1.0.2 h1:DgVKtiPnjxlb73z9bCwgdUvU2nQNQ97uhgfO8l9uz/w=
+github.com/mileusna/useragent v1.0.2/go.mod h1:3d8TOmwL/5I8pJjyVDteHtgDGcefrFUX4ccGOMKNYYc=
 github.com/mitchellh/cli v1.0.0/go.mod h1:hNIlj7HEI86fIcpObd7a0FcrxTWetlwJDGcceTlRvqc=
 github.com/mitchellh/go-homedir v1.0.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/mitchellh/go-testing-interface v1.0.0/go.mod h1:kRemZodwjscx+RGhAo8eIhFbs2+BFgRtFPeD/KE+zxI=
diff --git a/ping.go b/ping.go
index 75bcc6e..0fbc2d9 100644
--- a/ping.go
+++ b/ping.go
@@ -28,10 +28,11 @@ func (m healthModule) DeprecatedRegister(e *gin.Engine) {
 // @description Added in v4.2.0.
 // @tags health
 // @produce json
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.Ping
 // @router /ping [get]
 func (m healthModule) pingHandler(c *gin.Context) {
-	c.JSON(200, response.Ping{Message: "pong"})
+	renderJSON(c, 200, response.Ping{Message: "pong"})
 }
 
 // healthHandler godoc
@@ -41,8 +42,9 @@ func (m healthModule) pingHandler(c *gin.Context) {
 // @description Added in v0.7.1.
 // @tags health
 // @produce json
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.HealthStatus
 // @router /health [get]
 func (m healthModule) healthHandler(c *gin.Context) {
-	c.JSON(200, response.HealthStatus{Message: "API is healthy.", IsHealthy: true})
+	renderJSON(c, 200, response.HealthStatus{Message: "API is healthy.", IsHealthy: true})
 }
diff --git a/project.go b/project.go
index 90171d0..7f0afe9 100644
--- a/project.go
+++ b/project.go
@@ -63,6 +63,7 @@ var defaultGetProjectsOrderBy = orderby.Column{Name: database.ProjectColumns.Pro
 // @description while the matching filters are meant for searches by humans where it tries to find soft matches and is therefore inaccurate by nature.
 // @description Added in v5.0.0.
 // @tags project
+// @produce json
 // @param orderby query []string false "Sorting orders. Takes the property name followed by either 'asc' or 'desc'. Can be specified multiple times for more granular sorting. Defaults to `?orderby=projectId desc`"
 // @param limit query int false "Number of results to return. No limiting is applied if empty (`?limit=`) or non-positive (`?limit=0`). Required if `offset` is used." default(100)
 // @param offset query int false "Skipped results, where 0 means from the start." minimum(0) default(0)
@@ -77,6 +78,7 @@ var defaultGetProjectsOrderBy = orderby.Column{Name: database.ProjectColumns.Pro
 // @param descriptionMatch query string false "Filter by matching description. Cannot be used with `description`."
 // @param gitUrlMatch query string false "Filter by matching Git URL. Cannot be used with `gitUrl`."
 // @param match query string false "Filter by matching on any supported fields."
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.PaginatedProjects
 // @failure 502 {object} problem.Response "Database is unreachable"
 // @failure 401 {object} problem.Response "Unauthorized or missing jwt token"
@@ -143,7 +145,7 @@ func (m projectModule) getProjectListHandler(c *gin.Context) {
 		return
 	}
 
-	c.JSON(http.StatusOK, response.PaginatedProjects{
+	renderJSON(c, http.StatusOK, response.PaginatedProjects{
 		List:       modelconv.DBProjectsToResponses(dbProjects),
 		TotalCount: totalCount,
 	})
@@ -154,7 +156,9 @@ func (m projectModule) getProjectListHandler(c *gin.Context) {
 // @summary Returns project with selected project ID
 // @description Added in v0.1.8.
 // @tags project
+// @produce json
 // @param projectId path uint true "project ID" minimum(0)
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.Project
 // @failure 400 {object} problem.Response "Bad request"
 // @failure 401 {object} problem.Response "Unauthorized or missing jwt token"
@@ -171,7 +175,7 @@ func (m projectModule) getProjectHandler(c *gin.Context) {
 		return
 	}
 	resProject := modelconv.DBProjectToResponse(dbProject)
-	c.JSON(http.StatusOK, resProject)
+	renderJSON(c, http.StatusOK, resProject)
 }
 
 // createProjectHandler godoc
@@ -183,6 +187,7 @@ func (m projectModule) getProjectHandler(c *gin.Context) {
 // @accept json
 // @produce json
 // @param project body request.Project true "Project to create"
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 201 {object} response.Project
 // @failure 400 {object} problem.Response "Bad request"
 // @failure 404 {object} problem.Response "Project to update is not found"
@@ -206,7 +211,7 @@ func (m projectModule) createProjectHandler(c *gin.Context) {
 	}
 
 	resProject := modelconv.DBProjectToResponse(dbProject)
-	c.JSON(http.StatusCreated, resProject)
+	renderJSON(c, http.StatusCreated, resProject)
 }
 
 // deleteProjectHandler godoc
@@ -248,6 +253,7 @@ func (m projectModule) deleteProjectHandler(c *gin.Context) {
 // @produce json
 // @param projectId path uint true "project ID" minimum(0)
 // @param project body request.ProjectUpdate _ "New project values"
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.Project
 // @failure 400 {object} problem.Response "Bad request, such as invalid body JSON"
 // @failure 401 {object} problem.Response "Unauthorized or missing jwt token"
@@ -287,7 +293,7 @@ func (m projectModule) updateProjectHandler(c *gin.Context) {
 	}
 
 	resProject := modelconv.DBProjectToResponse(dbProject)
-	c.JSON(http.StatusOK, resProject)
+	renderJSON(c, http.StatusOK, resProject)
 }
 
 // getProjectOverridesHandler godoc
@@ -301,6 +307,7 @@ func (m projectModule) updateProjectHandler(c *gin.Context) {
 // @tags project
 // @produce json
 // @param projectId path uint true "project ID" minimum(0)
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.ProjectOverrides
 // @failure 400 {object} problem.Response "Bad request, such as invalid body JSON"
 // @failure 401 {object} problem.Response "Unauthorized or missing jwt token"
@@ -330,7 +337,7 @@ func (m projectModule) getProjectOverridesHandler(c *gin.Context) {
 	}
 
 	resProject := modelconv.DBProjectOverridesToResponse(dbProjectOverrides)
-	c.JSON(http.StatusOK, resProject)
+	renderJSON(c, http.StatusOK, resProject)
 }
 
 // updateProjectOverridesHandler godoc
@@ -346,6 +353,7 @@ func (m projectModule) getProjectOverridesHandler(c *gin.Context) {
 // @produce json
 // @param projectId path uint true "project ID" minimum(0)
 // @param overrides body request.ProjectOverridesUpdate _ "New project overrides"
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.ProjectOverrides
 // @failure 400 {object} problem.Response "Bad request, such as invalid body JSON"
 // @failure 401 {object} problem.Response "Unauthorized or missing jwt token"
@@ -389,7 +397,7 @@ func (m projectModule) updateProjectOverridesHandler(c *gin.Context) {
 	}
 
 	resProject := modelconv.DBProjectOverridesToResponse(dbProjectOverrides)
-	c.JSON(http.StatusOK, resProject)
+	renderJSON(c, http.StatusOK, resProject)
 }
 
 // deleteProjectOverridesHandler godoc
diff --git a/provider.go b/provider.go
index 357a034..a65dcbd 100644
--- a/provider.go
+++ b/provider.go
@@ -51,6 +51,7 @@ var defaultGetProvidersOrderBy = orderby.Column{Name: database.ProviderColumns.P
 // @description while the matching filters are meant for searches by humans where it tries to find soft matches and is therefore inaccurate by nature.
 // @description Added in v5.0.0.
 // @tags provider
+// @produce json
 // @param limit query int false "Number of results to return. No limiting is applied if empty (`?limit=`) or non-positive (`?limit=0`). Required if `offset` is used." default(100)
 // @param offset query int false "Skipped results, where 0 means from the start." minimum(0) default(0)
 // @param orderby query []string false "Sorting orders. Takes the property name followed by either 'asc' or 'desc'. Can be specified multiple times for more granular sorting. Defaults to `?orderby=providerId desc`"
@@ -59,6 +60,7 @@ var defaultGetProvidersOrderBy = orderby.Column{Name: database.ProviderColumns.P
 // @param nameMatch query string false "Filter by matching provider name. Cannot be used with `name`."
 // @param urlMatch query string false "Filter by matching provider URL. Cannot be used with `url`."
 // @param match query string false "Filter by matching on any supported fields."
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.PaginatedProviders
 // @failure 400 {object} problem.Response "Bad request"
 // @failure 401 {object} problem.Response "Unauthorized or missing jwt provider"
@@ -113,7 +115,7 @@ func (m providerModule) getProviderListHandler(c *gin.Context) {
 		return
 	}
 
-	c.JSON(http.StatusOK, response.PaginatedProviders{
+	renderJSON(c, http.StatusOK, response.PaginatedProviders{
 		List:       modelconv.DBProvidersToResponses(dbProviders),
 		TotalCount: totalCount,
 	})
@@ -124,7 +126,9 @@ func (m providerModule) getProviderListHandler(c *gin.Context) {
 // @summary Returns provider with selected provider ID
 // @description Added in v0.3.9.
 // @tags provider
+// @produce json
 // @param providerId path uint true "Provider ID" minimum(0)
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.Provider
 // @failure 400 {object} problem.Response "Bad request"
 // @failure 404 {object} problem.Response "Provider not found"
@@ -143,7 +147,7 @@ func (m providerModule) getProviderHandler(c *gin.Context) {
 	}
 
 	resProvider := modelconv.DBProviderToResponse(dbProvider)
-	c.JSON(http.StatusOK, resProvider)
+	renderJSON(c, http.StatusOK, resProvider)
 }
 
 // createProviderHandler godoc
@@ -156,6 +160,7 @@ func (m providerModule) getProviderHandler(c *gin.Context) {
 // @accept json
 // @produce json
 // @param provider body request.Provider _ "Provider to create"
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 201 {object} response.Provider
 // @failure 400 {object} problem.Response "Bad request"
 // @failure 401 {object} problem.Response "Unauthorized or missing jwt token"
@@ -189,7 +194,7 @@ func (m providerModule) createProviderHandler(c *gin.Context) {
 	}
 
 	resProvider := modelconv.DBProviderToResponse(dbProvider)
-	c.JSON(http.StatusCreated, resProvider)
+	renderJSON(c, http.StatusCreated, resProvider)
 }
 
 // updateProviderHandler godoc
@@ -202,6 +207,7 @@ func (m providerModule) createProviderHandler(c *gin.Context) {
 // @produce json
 // @param providerId path uint _ "ID of provider to update" minimum(0)
 // @param provider body request.ProviderUpdate _ "New provider values"
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.Provider
 // @failure 400 {object} problem.Response "Bad request"
 // @failure 401 {object} problem.Response "Unauthorized or missing jwt token"
@@ -247,7 +253,7 @@ func (m providerModule) updateProviderHandler(c *gin.Context) {
 	}
 
 	resProvider := modelconv.DBProviderToResponse(dbProvider)
-	c.JSON(http.StatusOK, resProvider)
+	renderJSON(c, http.StatusOK, resProvider)
 }
 
 func fetchProviderByID(c *gin.Context, db *gorm.DB, providerID uint, whenMsg string) (database.Provider, bool) {
diff --git a/test_result.go b/test_result.go
index 9926f65..16b1930 100644
--- a/test_result.go
+++ b/test_result.go
@@ -41,8 +41,10 @@ func (m buildTestResultModule) Register(r gin.IRouter) {
 // @description Added in v5.0.0.
 // @tags test-result
 // @accept multipart/form-data
+// @produce json
 // @param buildId path uint true "Build ID" minimum(0)
 // @param files formData file true "Test result file"
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 201 {object} []response.ArtifactMetadata "Added new test result data and created summaries"
 // @failure 400 {object} problem.Response "Bad request"
 // @failure 502 {object} problem.Response "Database unreachable or bad gateway"
@@ -120,7 +122,7 @@ func (m buildTestResultModule) createBuildTestResultHandler(c *gin.Context) {
 			buildID))
 	}
 
-	c.JSON(http.StatusOK, resArtifactMetadataList)
+	renderJSON(c, http.StatusOK, resArtifactMetadataList)
 }
 
 // getBuildAllTestResultDetailListHandler godoc
@@ -128,7 +130,9 @@ func (m buildTestResultModule) createBuildTestResultHandler(c *gin.Context) {
 // @summary Get all test result details for specified build
 // @description Added in v5.0.0.
 // @tags test-result
+// @produce json
 // @param buildId path uint true "Build ID" minimum(0)
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.PaginatedTestResultDetails
 // @failure 400 {object} problem.Response "Bad request"
 // @failure 502 {object} problem.Response "Database is unreachable"
@@ -153,7 +157,7 @@ func (m buildTestResultModule) getBuildAllTestResultDetailListHandler(c *gin.Con
 	}
 
 	resDetails := modelconv.DBTestResultDetailsToResponses(dbDetails)
-	c.JSON(http.StatusOK, response.PaginatedTestResultDetails{
+	renderJSON(c, http.StatusOK, response.PaginatedTestResultDetails{
 		List:       resDetails,
 		TotalCount: int64(len(resDetails)),
 	})
@@ -164,7 +168,9 @@ func (m buildTestResultModule) getBuildAllTestResultDetailListHandler(c *gin.Con
 // @summary Get all test result summaries for specified build
 // @description Added in v5.0.0.
 // @tags test-result
+// @produce json
 // @param buildId path uint true "Build ID" minimum(0)
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.PaginatedTestResultSummaries
 // @failure 400 {object} problem.Response "Bad Request"
 // @failure 502 {object} problem.Response "Database is unreachable"
@@ -193,7 +199,7 @@ func (m buildTestResultModule) getBuildAllTestResultSummaryListHandler(c *gin.Co
 		resSummaries[i] = modelconv.DBTestResultSummaryToResponse(dbSummary)
 	}
 
-	c.JSON(http.StatusOK, response.PaginatedTestResultSummaries{
+	renderJSON(c, http.StatusOK, response.PaginatedTestResultSummaries{
 		List:       resSummaries,
 		TotalCount: int64(len(resSummaries)),
 	})
@@ -204,8 +210,10 @@ func (m buildTestResultModule) getBuildAllTestResultSummaryListHandler(c *gin.Co
 // @summary Get test result summary for specified test
 // @description Added in v5.0.0.
 // @tags test-result
+// @produce json
 // @param buildId path uint true "Build ID" minimum(0)
 // @param artifactId path uint true "Artifact ID" minimum(0)
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.TestResultSummary
 // @failure 400 {object} problem.Response "Bad Request"
 // @failure 502 {object} problem.Response "Database is unreachable"
@@ -235,7 +243,7 @@ func (m buildTestResultModule) getBuildTestResultSummaryHandler(c *gin.Context)
 	}
 
 	resSummary := modelconv.DBTestResultSummaryToResponse(dbSummary)
-	c.JSON(http.StatusOK, resSummary)
+	renderJSON(c, http.StatusOK, resSummary)
 }
 
 // getBuildTestResultDetailListHandler godoc
@@ -243,8 +251,10 @@ func (m buildTestResultModule) getBuildTestResultSummaryHandler(c *gin.Context)
 // @summary Get all test result details for specified test
 // @description Added in v5.0.0.
 // @tags test-result
+// @produce json
 // @param buildId path uint true "Build ID" minimum(0)
 // @param artifactId path uint true "Artifact ID" minimum(0)
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.PaginatedTestResultDetails
 // @failure 400 {object} problem.Response "Bad Request"
 // @failure 502 {object} problem.Response "Database is unreachable"
@@ -274,7 +284,7 @@ func (m buildTestResultModule) getBuildTestResultDetailListHandler(c *gin.Contex
 	}
 
 	resDetails := modelconv.DBTestResultDetailsToResponses(dbDetails)
-	c.JSON(http.StatusOK, response.PaginatedTestResultDetails{
+	renderJSON(c, http.StatusOK, response.PaginatedTestResultDetails{
 		List:       resDetails,
 		TotalCount: int64(len(dbDetails)),
 	})
@@ -285,7 +295,9 @@ func (m buildTestResultModule) getBuildTestResultDetailListHandler(c *gin.Contex
 // @summary Get test result list summary of all tests for specified build
 // @description Added in v5.0.0.
 // @tags test-result
+// @produce json
 // @param buildId path uint true "Build ID" minimum(0)
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.TestResultListSummary
 // @failure 400 {object} problem.Response "Bad Request"
 // @failure 502 {object} problem.Response "Database is unreachable"
@@ -324,7 +336,7 @@ func (m buildTestResultModule) getBuildAllTestResultListSummaryHandler(c *gin.Co
 		Failed:  dbListSummary.Failed,
 	}
 
-	c.JSON(http.StatusOK, resListSummary)
+	renderJSON(c, http.StatusOK, resListSummary)
 }
 
 type xmlInnerString struct {
diff --git a/token.go b/token.go
index 5c181c6..c7a1833 100644
--- a/token.go
+++ b/token.go
@@ -51,11 +51,13 @@ var defaultGetTokensOrderBy = orderby.Column{Name: database.TokenColumns.TokenID
 // @description while the matching filters are meant for searches by humans where it tries to find soft matches and is therefore inaccurate by nature.
 // @description Added in v5.0.0.
 // @tags token
+// @produce json
 // @param limit query int false "Number of results to return. No limiting is applied if empty (`?limit=`) or non-positive (`?limit=0`). Required if `offset` is used." default(100)
 // @param offset query int false "Skipped results, where 0 means from the start." minimum(0) default(0)
 // @param orderby query []string false "Sorting orders. Takes the property name followed by either 'asc' or 'desc'. Can be specified multiple times for more granular sorting. Defaults to `?orderby=tokenId desc`"
 // @param userName query string false "Filter by verbatim token user name."
 // @param userNameMatch query string false "Filter by matching token user name. Cannot be used with `userName`."
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.PaginatedTokens
 // @failure 400 {object} problem.Response "Bad request"
 // @failure 401 {object} problem.Response "Unauthorized or missing jwt token"
@@ -98,7 +100,7 @@ func (m tokenModule) getTokenListHandler(c *gin.Context) {
 		return
 	}
 
-	c.JSON(http.StatusOK, response.PaginatedTokens{
+	renderJSON(c, http.StatusOK, response.PaginatedTokens{
 		List:       modelconv.DBTokensToResponses(dbTokens),
 		TotalCount: totalCount,
 	})
@@ -109,7 +111,9 @@ func (m tokenModule) getTokenListHandler(c *gin.Context) {
 // @summary Returns token with selected token ID
 // @description Added in v0.2.2.
 // @tags token
+// @produce json
 // @param tokenId path uint true "Token ID" minimum(0)
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.Token
 // @failure 400 {object} problem.Response "Bad request"
 // @failure 401 {object} problem.Response "Unauthorized or missing jwt token"
@@ -127,7 +131,7 @@ func (m tokenModule) getTokenHandler(c *gin.Context) {
 	}
 
 	resToken := modelconv.DBTokenToResponse(dbToken)
-	c.JSON(http.StatusOK, resToken)
+	renderJSON(c, http.StatusOK, resToken)
 }
 
 // createTokenHandler godoc
@@ -139,6 +143,7 @@ func (m tokenModule) getTokenHandler(c *gin.Context) {
 // @accept json
 // @produce json
 // @param token body request.Token _ "Token to create"
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 201 {object} response.Token
 // @failure 400 {object} problem.Response "Bad request"
 // @failure 401 {object} problem.Response "Unauthorized or missing jwt token"
@@ -178,7 +183,7 @@ func (m tokenModule) createTokenHandler(c *gin.Context) {
 	}
 
 	resToken := modelconv.DBTokenToResponse(dbToken)
-	c.JSON(http.StatusCreated, resToken)
+	renderJSON(c, http.StatusCreated, resToken)
 }
 
 // updateTokenHandler godoc
@@ -191,6 +196,7 @@ func (m tokenModule) createTokenHandler(c *gin.Context) {
 // @produce json
 // @param tokenId path uint true "ID of token to update" minimum(0)
 // @param token body request.TokenUpdate _ "New token values"
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} response.Token
 // @failure 400 {object} problem.Response "Bad request"
 // @failure 401 {object} problem.Response "Unauthorized or missing jwt token"
@@ -222,7 +228,7 @@ func (m tokenModule) updateTokenHandler(c *gin.Context) {
 	}
 
 	resToken := modelconv.DBTokenToResponse(dbToken)
-	c.JSON(http.StatusOK, resToken)
+	renderJSON(c, http.StatusOK, resToken)
 }
 
 func fetchTokenByID(c *gin.Context, db *gorm.DB, tokenID uint, whenMsg string) (database.Token, bool) {
diff --git a/utils_gin.go b/utils_gin.go
index 3c4035c..edd3c25 100644
--- a/utils_gin.go
+++ b/utils_gin.go
@@ -8,6 +8,7 @@ import (
 	"github.com/iver-wharf/wharf-api/v5/pkg/model/database"
 	"github.com/iver-wharf/wharf-api/v5/pkg/orderby"
 	"github.com/iver-wharf/wharf-core/pkg/ginutil"
+	ua "github.com/mileusna/useragent"
 )
 
 type commonGetQueryParams struct {
@@ -42,3 +43,23 @@ func parseCommonOrderBySlice(c *gin.Context, orders []string, fieldToColumnNames
 	}
 	return orderBySlice, true
 }
+
+func renderJSON(c *gin.Context, code int, response interface{}) {
+	indent := false
+	prettyQuery, ok := c.GetQuery("pretty")
+	if ok {
+		if prettyQuery == "" || strings.EqualFold(prettyQuery, "true") {
+			indent = true
+		}
+	} else {
+		agent := ua.Parse(c.Request.UserAgent())
+		if agent.Name == "curl" || agent.Desktop || agent.Mobile || agent.Tablet {
+			indent = true
+		}
+	}
+	if indent {
+		c.IndentedJSON(code, response)
+	} else {
+		c.JSON(code, response)
+	}
+}
diff --git a/version.go b/version.go
index fb180d2..f06af4b 100644
--- a/version.go
+++ b/version.go
@@ -26,8 +26,10 @@ func loadEmbeddedVersionFile() error {
 // @summary Returns the version of this API
 // @description Added in v4.0.0.
 // @tags meta
+// @produce json
+// @param pretty query bool false "Pretty indented JSON output"
 // @success 200 {object} app.Version
 // @router /version [get]
 func getVersionHandler(c *gin.Context) {
-	c.JSON(http.StatusOK, AppVersion)
+	renderJSON(c, http.StatusOK, AppVersion)
 }