diff --git a/.Rbuildignore b/.Rbuildignore
index 01c8a9e0..b4c6482c 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -1,3 +1,5 @@
 ^httr2\.Rproj$
 ^\.Rproj\.user$
 ^LICENSE\.md$
+^codecov\.yml$
+^\.github$
diff --git a/.github/.gitignore b/.github/.gitignore
new file mode 100644
index 00000000..2d19fc76
--- /dev/null
+++ b/.github/.gitignore
@@ -0,0 +1 @@
+*.html
diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
new file mode 100644
index 00000000..259ccc05
--- /dev/null
+++ b/.github/workflows/R-CMD-check.yaml
@@ -0,0 +1,112 @@
+# NOTE: This workflow is overkill for most R packages
+# check-standard.yaml is likely a better choice
+# usethis::use_github_action("check-standard") will install it.
+#
+# For help debugging build failures open an issue on the RStudio community with the 'github-actions' tag.
+# https://community.rstudio.com/new-topic?category=Package%20development&tags=github-actions
+on:
+  push:
+    branches:
+      - main
+      - master
+  pull_request:
+    branches:
+      - main
+      - master
+
+name: R-CMD-check
+
+jobs:
+  R-CMD-check:
+    runs-on: ${{ matrix.config.os }}
+
+    name: ${{ matrix.config.os }} (${{ matrix.config.r }})
+
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+          - {os: macOS-latest,   r: 'release'}
+          - {os: windows-latest, r: 'release'}
+          - {os: windows-latest, r: '3.6', rspm: "https://packagemanager.rstudio.com/cran/latest"}
+          - {os: ubuntu-18.04,   r: 'devel', rspm: "https://packagemanager.rstudio.com/cran/__linux__/bionic/latest", http-user-agent: "R/4.0.0 (ubuntu-18.04) R (4.0.0 x86_64-pc-linux-gnu x86_64 linux-gnu) on GitHub Actions" }
+          - {os: ubuntu-18.04,   r: 'release', rspm: "https://packagemanager.rstudio.com/cran/__linux__/bionic/latest"}
+          - {os: ubuntu-18.04,   r: 'oldrel',  rspm: "https://packagemanager.rstudio.com/cran/__linux__/bionic/latest"}
+          - {os: ubuntu-18.04,   r: '3.6',     rspm: "https://packagemanager.rstudio.com/cran/__linux__/bionic/latest"}
+          - {os: ubuntu-18.04,   r: '3.5',     rspm: "https://packagemanager.rstudio.com/cran/__linux__/bionic/latest"}
+          - {os: ubuntu-18.04,   r: '3.4',     rspm: "https://packagemanager.rstudio.com/cran/__linux__/bionic/latest"}
+
+    env:
+      RSPM: ${{ matrix.config.rspm }}
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: r-lib/actions/setup-r@v1
+        id: install-r
+        with:
+          r-version: ${{ matrix.config.r }}
+          http-user-agent: ${{ matrix.config.http-user-agent }}
+
+      - uses: r-lib/actions/setup-pandoc@v1
+
+      - name: Install pak and query dependencies
+        run: |
+          install.packages("pak", repos = "https://r-lib.github.io/p/pak/dev/")
+          saveRDS(pak::pkg_deps("local::.", dependencies = TRUE), ".github/r-depends.rds")
+        shell: Rscript {0}
+
+      - name: Restore R package cache
+        uses: actions/cache@v2
+        with:
+          path: |
+            ${{ env.R_LIBS_USER }}/*
+            !${{ env.R_LIBS_USER }}/pak
+          key: ${{ matrix.config.os }}-${{ steps.install-r.outputs.installed-r-version }}-1-${{ hashFiles('.github/r-depends.rds') }}
+          restore-keys: ${{ matrix.config.os }}-${{ steps.install-r.outputs.installed-r-version }}-1-
+
+      - name: Install system dependencies
+        if: runner.os == 'Linux'
+        run: |
+          pak::local_system_requirements(execute = TRUE)
+          pak::pkg_system_requirements("rcmdcheck", execute = TRUE)
+        shell: Rscript {0}
+
+      - name: Install dependencies
+        run: |
+          pak::local_install_dev_deps(upgrade = TRUE)
+          pak::pkg_install("rcmdcheck")
+        shell: Rscript {0}
+
+      - name: Session info
+        run: |
+          options(width = 100)
+          pkgs <- installed.packages()[, "Package"]
+          sessioninfo::session_info(pkgs, include_base = TRUE)
+        shell: Rscript {0}
+
+      - name: Check
+        env:
+          _R_CHECK_CRAN_INCOMING_: false
+        run: |
+          options(crayon.enabled = TRUE)
+          rcmdcheck::rcmdcheck(args = c("--no-manual", "--as-cran"), error_on = "warning", check_dir = "check")
+        shell: Rscript {0}
+
+      - name: Show testthat output
+        if: always()
+        run: find check -name 'testthat.Rout*' -exec cat '{}' \; || true
+        shell: bash
+
+      - name: Upload check results
+        if: failure()
+        uses: actions/upload-artifact@main
+        with:
+          name: ${{ matrix.config.os }}-r${{ matrix.config.r }}-results
+          path: check
+
+      - name: Don't use tar from old Rtools to store the cache
+        if: ${{ runner.os == 'Windows' && startsWith(steps.install-r.outputs.installed-r-version, '3.6' ) }}
+        shell: bash
+        run: echo "C:/Program Files/Git/usr/bin" >> $GITHUB_PATH
diff --git a/.github/workflows/pkgdown.yaml b/.github/workflows/pkgdown.yaml
new file mode 100644
index 00000000..9ee741ab
--- /dev/null
+++ b/.github/workflows/pkgdown.yaml
@@ -0,0 +1,59 @@
+on:
+  push:
+    branches:
+      - main
+      - master
+
+name: pkgdown
+
+jobs:
+  pkgdown:
+    runs-on: ubuntu-18.04
+    env:
+      RSPM: https://packagemanager.rstudio.com/cran/__linux__/bionic/latest
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: r-lib/actions/setup-r@v1
+        id: install-r
+
+      - uses: r-lib/actions/setup-pandoc@v1
+
+      - name: Install pak and query dependencies
+        run: |
+          install.packages("pak", repos = "https://r-lib.github.io/p/pak/dev/")
+          saveRDS(pak::pkg_deps("local::.", dependencies = TRUE), ".github/r-depends.rds")
+        shell: Rscript {0}
+
+      - name: Restore R package cache
+        uses: actions/cache@v2
+        with:
+          path: |
+            ${{ env.R_LIBS_USER }}/*
+            !${{ env.R_LIBS_USER }}/pak
+          key: ubuntu-18.04-${{ steps.install-r.outputs.installed-r-version }}-1-${{ hashFiles('.github/r-depends.rds') }}
+          restore-keys: ubuntu-18.04-${{ steps.install-r.outputs.installed-r-version }}-1-
+
+      - name: Install system dependencies
+        if: runner.os == 'Linux'
+        run: |
+          pak::local_system_requirements(execute = TRUE)
+          pak::pkg_system_requirements("pkgdown", execute = TRUE)
+        shell: Rscript {0}
+
+      - name: Install dependencies
+        run: |
+          pak::local_install_dev_deps(upgrade = TRUE, dependencies = c("all", "Config/Needs/website"))
+          pak::pkg_install("pkgdown")
+        shell: Rscript {0}
+
+      - name: Install package
+        run: R CMD INSTALL .
+
+      - name: Build and deploy pkgdown site
+        run: |
+          git config --local user.name "$GITHUB_ACTOR"
+          git config --local user.email "$GITHUB_ACTOR@users.noreply.github.com"
+          Rscript -e 'pkgdown::deploy_to_branch(new_process = FALSE)'
diff --git a/.github/workflows/pr-commands.yaml b/.github/workflows/pr-commands.yaml
new file mode 100644
index 00000000..e5edf9f7
--- /dev/null
+++ b/.github/workflows/pr-commands.yaml
@@ -0,0 +1,55 @@
+on:
+  issue_comment:
+    types: [created]
+name: Commands
+jobs:
+  document:
+    if: startsWith(github.event.comment.body, '/document')
+    name: document
+    runs-on: macOS-latest
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: r-lib/actions/pr-fetch@v1
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: r-lib/actions/setup-r@v1
+      - name: Install dependencies
+        run: Rscript -e 'install.packages(c("remotes", "roxygen2"))' -e 'remotes::install_deps(dependencies = TRUE)'
+      - name: Document
+        run: Rscript -e 'roxygen2::roxygenise()'
+      - name: commit
+        run: |
+          git config --local user.email "actions@github.com"
+          git config --local user.name "GitHub Actions"
+          git add man/\* NAMESPACE
+          git commit -m 'Document'
+      - uses: r-lib/actions/pr-push@v1
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+  style:
+    if: startsWith(github.event.comment.body, '/style')
+    name: style
+    runs-on: macOS-latest
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: r-lib/actions/pr-fetch@v1
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: r-lib/actions/setup-r@v1
+      - name: Install dependencies
+        run: Rscript -e 'install.packages("styler")'
+      - name: Style
+        run: Rscript -e 'styler::style_pkg()'
+      - name: commit
+        run: |
+          git config --local user.email "actions@github.com"
+          git config --local user.name "GitHub Actions"
+          git add \*.R
+          git commit -m 'Style'
+      - uses: r-lib/actions/pr-push@v1
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/test-coverage.yaml b/.github/workflows/test-coverage.yaml
new file mode 100644
index 00000000..548afa52
--- /dev/null
+++ b/.github/workflows/test-coverage.yaml
@@ -0,0 +1,56 @@
+on:
+  push:
+    branches:
+      - main
+      - master
+  pull_request:
+    branches:
+      - main
+      - master
+
+name: test-coverage
+
+jobs:
+  test-coverage:
+    runs-on: ubuntu-18.04
+    env:
+      RSPM: https://packagemanager.rstudio.com/cran/__linux__/bionic/latest
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: r-lib/actions/setup-r@v1
+        id: install-r
+
+      - name: Install pak and query dependencies
+        run: |
+          install.packages("pak", repos = "https://r-lib.github.io/p/pak/dev/")
+          saveRDS(pak::pkg_deps("local::.", dependencies = TRUE), ".github/r-depends.rds")
+        shell: Rscript {0}
+
+      - name: Restore R package cache
+        uses: actions/cache@v2
+        with:
+          path: |
+            ${{ env.R_LIBS_USER }}/*
+            !${{ env.R_LIBS_USER }}/pak
+          key: ubuntu-18.04-${{ steps.install-r.outputs.installed-r-version }}-1-${{ hashFiles('.github/r-depends.rds') }}
+          restore-keys: ubuntu-18.04-${{ steps.install-r.outputs.installed-r-version }}-1-
+
+      - name: Install system dependencies
+        if: runner.os == 'Linux'
+        run: |
+          pak::local_system_requirements(execute = TRUE)
+          pak::pkg_system_requirements("covr", execute = TRUE)
+        shell: Rscript {0}
+
+      - name: Install dependencies
+        run: |
+          pak::local_install_dev_deps(upgrade = TRUE)
+          pak::pkg_install("covr")
+        shell: Rscript {0}
+
+      - name: Test coverage
+        run: covr::codecov()
+        shell: Rscript {0}
diff --git a/DESCRIPTION b/DESCRIPTION
index cab1720a..7cf76c7e 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -27,5 +27,6 @@ Imports:
 Suggests: 
     testthat (>= 3.0.0),
     jsonlite,
-    xml2
+    xml2,
+    covr
 Config/testthat/edition: 3
diff --git a/codecov.yml b/codecov.yml
new file mode 100644
index 00000000..04c55859
--- /dev/null
+++ b/codecov.yml
@@ -0,0 +1,14 @@
+comment: false
+
+coverage:
+  status:
+    project:
+      default:
+        target: auto
+        threshold: 1%
+        informational: true
+    patch:
+      default:
+        target: auto
+        threshold: 1%
+        informational: true