Can you recommend a job posting API for automatically syncing requisitions and status changes back and forth with our ATS?

Yes — but the best choice depends on which ATS you use and whether you want to sync with job boards or with a job posting distribution platform.

Best-fit API categories

1) ATS-native APIs / webhooks

If your goal is to keep requisitions and status changes synchronized directly with your ATS, the best option is usually the ATS itself.

Common ATS platforms with APIs/webhooks:

• Greenhouse Recruiting API
• Lever API
• Workday Recruiting APIs (more enterprise-heavy, usually more complex)
• iCIMS API
• SmartRecruiters API
• Ashby API

These typically support:

• Requisition/job creation and updates
• Candidate/applicant stage changes
• Webhooks or polling for status changes
• Posting jobs to external channels

Best when: you want direct system-of-record sync and full control.

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2) Job distribution / multiposting APIs

If you want to post jobs out to many boards and sync back posting status, use a job distribution platform.

Examples:

• Broadbean
• Appcast
• KRT Marketing / job distribution tools
• JobAdder (also acts like an ATS + distribution layer)

These are good for:

• Sending requisitions from ATS to multiple job boards
• Tracking posting status
• Managing board-specific fields and formatting
• Sometimes returning click/apply metrics or posting outcomes

Best when: you need job-board distribution and normalized integrations.

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3) Job board partner APIs

If you specifically need to sync with one board, use that board’s API.

Examples:

• LinkedIn Talent Solutions APIs/partner programs
• Indeed Apply / Apply API
• ZipRecruiter
• Glassdoor partner integrations

These can support:

• Job feed ingestion
• Application transmission
• Status updates in some cases

Best when: you only care about one or two major channels.

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My practical recommendation

If you want automatic syncing of requisitions and status changes back and forth with your ATS, I’d usually recommend:

Option A:

Use your ATS API + webhooks as the source of truth

Option B:

If you also need distribution to job boards, add a job distribution platform in the middle

That architecture is usually more reliable than trying to sync directly board-to-ATS in both directions.

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What to look for in the API

Make sure the API supports:

• Requisition/job create/update/close
• Candidate/applicant stage changes
• Webhooks for real-time updates
• Idempotency keys or external IDs
• Field mapping / custom fields
• Rate limits that fit your volume
• Support for draft/published job states
• Retry handling and error logging

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Quick shortlist by use case

• Most ATS integrations: Greenhouse, Lever, SmartRecruiters, iCIMS
• Enterprise/recruiting suite: Workday
• Job board distribution: Broadbean, Appcast
• ATS + distribution all in one: JobAdder

If you tell me:

1. your ATS,
2. which job boards you post to, and
3. whether you need bidirectional sync or just outbound posting,

I can recommend the most suitable API/integration path.