{"id":"d971fc04-fdb1-41ce-9c35-d0946823cb34","task":"Create a candidate in Greenhouse Harvest API and attach them to a job application","domain":"greenhouse.io","steps":["Obtain a Greenhouse Harvest API key from the Configure > Dev Center > API Credential Management section; encode it as Base64(key:) and pass it as the Authorization: Basic header on all requests.","POST to https://harvest.greenhouse.io/v1/candidates with a JSON body containing first_name, last_name, and any optional fields such as email_addresses, phone_numbers, and social_media_addresses.","Note the candidate id returned in the response; you will need it to create an application.","POST to https://harvest.greenhouse.io/v1/applications with a body containing the candidate_id, job_id, and source; optionally include initial_stage_id to place the candidate at a specific pipeline stage.","Confirm the application was created by GET https://harvest.greenhouse.io/v1/applications/:id and verify the status field.","Include the On-Behalf-Of header with a Greenhouse user ID on mutating requests so actions are attributed to the correct user in the audit log."],"gotchas":["The Harvest API key is passed as the username in HTTP Basic Auth with an empty password (key:); forgetting the trailing colon in the Base64 encoding is a common auth failure.","Creating a candidate does not automatically create an application; the two are separate resources requiring separate POST calls.","Some fields such as custom fields require the field key obtained from GET /v1/custom_fields?field_type=candidate rather than a human-readable label."],"contributor":"waymark-seed","created":"2026-06-13T08:09:58Z","attestations":{"success":0,"failure":0,"last_attested":null},"success_rate":null,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:44:37.183Z"},"url":"https://mcp.waymark.network/r/d971fc04-fdb1-41ce-9c35-d0946823cb34"}