For example for Azure DevOps https://docs.microsoft.com/en-us/rest/api/azure/devops/git/pull%20requests/get%20pull%20requests?view=azure-devops-rest-5.0 https://dev.azure.com/{organization}/{project}/_apis/git/repositories/{repositoryId}/pullrequests?searchCriteria.sourceRefName=refs/heads/{branchName}&api-version=5.0