diff --git a/lib/pact_broker/api/resources/publish_contracts.rb b/lib/pact_broker/api/resources/publish_contracts.rb
index e73ce6f11..e19e4b399 100644
--- a/lib/pact_broker/api/resources/publish_contracts.rb
+++ b/lib/pact_broker/api/resources/publish_contracts.rb
@@ -31,7 +31,7 @@ def malformed_request?
         end
 
         def process_post
-          handle_webhook_events(consumer_version_branch: parsed_contracts.branch) do
+          handle_webhook_events(consumer_version_branch: parsed_contracts.branch, build_url: parsed_contracts.build_url) do
             results = contract_service.publish(parsed_contracts, base_url: base_url)
             response.body = decorator_class(:publish_contracts_results_decorator).new(results).to_json(decorator_options)
           end
diff --git a/lib/pact_broker/locale/en.yml b/lib/pact_broker/locale/en.yml
index ac672e962..e95f644d6 100644
--- a/lib/pact_broker/locale/en.yml
+++ b/lib/pact_broker/locale/en.yml
@@ -44,6 +44,7 @@ en:
             azureDevOpsVerificationStatus: The verification status using the correct keywords for posting to the Azure DevOps GitStatusState API. See https://docs.microsoft.com/en-us/rest/api/azure/devops/git/statuses/create?view=azure-devops-rest-6.0
             gitlabVerificationStatus: The verification status using the correct keywords for posting to the Gitlab Commits API. See https://docs.gitlab.com/ee/api/commits.html#post-the-build-status-to-a-commit
             eventName: The name of the event that triggered the webhook
+            buildUrl: The URL of the build that published the resources that have triggered the webhook (currently only supported for contracts published using the 'all in one' endpoint).
             currentlyDeployedProviderVersionNumber: The version number of the currently deployed provider version (when used in a template, the webhook will be triggered once for each currently deployed provider version)
         no_webhooks_enabled_for_event: No enabled webhooks found for the detected events
         webhook_triggered_for_event: Webhook %{webhook_description} triggered for event %{event_name}.
diff --git a/lib/pact_broker/webhooks/pact_and_verification_parameters.rb b/lib/pact_broker/webhooks/pact_and_verification_parameters.rb
index 3a12b9f7a..f828069ef 100644
--- a/lib/pact_broker/webhooks/pact_and_verification_parameters.rb
+++ b/lib/pact_broker/webhooks/pact_and_verification_parameters.rb
@@ -17,6 +17,7 @@ class PactAndVerificationParameters
       GITLAB_VERIFICATION_STATUS = "pactbroker.gitlabVerificationStatus"
       CONSUMER_LABELS = "pactbroker.consumerLabels"
       PROVIDER_LABELS = "pactbroker.providerLabels"
+      BUILD_URL = "pactbroker.buildUrl"
       EVENT_NAME = "pactbroker.eventName"
       CURRENTLY_DEPLOYED_PROVIDER_VERSION_NUMBER = "pactbroker.currentlyDeployedProviderVersionNumber"
 
@@ -38,6 +39,7 @@ class PactAndVerificationParameters
         CONSUMER_LABELS,
         PROVIDER_LABELS,
         EVENT_NAME,
+        BUILD_URL,
         CURRENTLY_DEPLOYED_PROVIDER_VERSION_NUMBER
       ]
 
@@ -68,6 +70,7 @@ def to_hash
           CONSUMER_LABELS => pacticipant_labels(pact && pact.consumer),
           PROVIDER_LABELS => pacticipant_labels(pact && pact.provider),
           EVENT_NAME => event_name,
+          BUILD_URL => build_url,
           CURRENTLY_DEPLOYED_PROVIDER_VERSION_NUMBER => currently_deployed_provider_version_number
         }
       end
@@ -180,6 +183,10 @@ def event_name
         webhook_context.fetch(:event_name)
       end
 
+      def build_url
+        webhook_context[:build_url] || ""
+      end
+
       def currently_deployed_provider_version_number
         webhook_context[:currently_deployed_provider_version_number] || ""
       end
diff --git a/spec/integration/webhooks/contract_publication_spec.rb b/spec/integration/webhooks/contract_publication_spec.rb
index 2bdf33bd4..baa8e6165 100644
--- a/spec/integration/webhooks/contract_publication_spec.rb
+++ b/spec/integration/webhooks/contract_publication_spec.rb
@@ -7,6 +7,7 @@
     {
       "consumer_version_number" => "${pactbroker.consumerVersionNumber}",
       "consumer_version_branch" => "${pactbroker.consumerVersionBranch}",
+      "build_url" => "${pactbroker.buildUrl}",
       "consumer_version_tags" => "${pactbroker.consumerVersionTags}",
     }
   end
@@ -16,6 +17,7 @@
       consumer_version_number: "1",
       consumer_version_branch: "main",
       consumer_version_tags: "a, b",
+      build_url: "http://ci/builds/1234"
     }
   end
 
diff --git a/spec/lib/pact_broker/webhooks/render_spec.rb b/spec/lib/pact_broker/webhooks/render_spec.rb
index bf5160885..e9b905a67 100644
--- a/spec/lib/pact_broker/webhooks/render_spec.rb
+++ b/spec/lib/pact_broker/webhooks/render_spec.rb
@@ -94,7 +94,7 @@ module Webhooks
           [ double("label", name: "foo"), double("label", name: "bar") ]
         end
 
-        let(:webhook_context) { { base_url: base_url, event_name: "something" } }
+        let(:webhook_context) { { base_url: base_url, event_name: "something", build_url: "http://build"} }
 
         let(:nil_pact) { nil }
         let(:nil_verification) { nil }
@@ -140,6 +140,7 @@ module Webhooks
           ["${pactbroker.consumerVersionBranch}", "consumer-branch", :pact_with_successful_verification, :verification],
           ["${pactbroker.consumerLabels}", "foo, bar", :pact_with_successful_verification, :verification],
           ["${pactbroker.providerLabels}", "finance, IT", :pact, :nil_verification],
+          ["${pactbroker.buildUrl}", "http://build", :nil_pact, :nil_verification]
         ]
 
         TEST_CASES.each do | (template, expected_output, pact_var_name, verification_var_name) |