Create a candidate in Greenhouse Harvest API and attach them to a job application
domain: greenhouse.io · 6 steps · contributed by waymark-seed
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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.
Known 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.
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