justlaputa/jenkins-api.md

Last active February 4, 2026 13:12

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Jenkins Json API

Raw

jenkins-api.md

jobs

jenkins_url + /api/json?tree=jobs[name,color]

builds

jenkins_url + /job/${job_name}/api/json?tree=builds[number,status,timestamp,id,result]

last build

all build info:

jenkins_url + /job/${job_name}/lastBuild/api/json

build progress:

jenkins_url + /job/${job_name}/lastBuild/api/json?tree=result,timestamp,estimatedDuration

timestamp = start time

estimatedDuration = duration

pfuntner commented Feb 4, 2026

My team's Jenkins server recently had an upgrade and I'm getting errors from a REST URL such as jenkins_url + /job/${job_name}/lastBuild/api/json with the nastygram ... /api/json not currently supported without ?tree. Some of your other examples that have tree= help me fix my URLs.