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Zapier

Connect Zapier to FinalSay using the FinalSay Zapier integration (in-repo: finalsay-zapier/), or using custom HTTP steps with the Agent API directly.

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Official Zapier integration

The open-source app wraps the same Agent API as n8n: Create Approval and Find Approval Result (poll by request_id). Install it from the Zapier Platform after your team publishes the app, or use a private invite link from your integration owner.
  • Repository: finalsay-zapier/README.md — npm run validate, zapier push, and developer notes.
  • Authentication: connection fields for API base URL, Agent ID, and workspace API key (same values as Credentials). The integration tests the connection with GET /health.
When an approval completes, FinalSay can POST the outcome to a URL you provide. In Zapier, that is usually a Webhooks by Zapier Catch Hook URL in the Callback URL field on Create Approval (or callback.url in raw JSON). Use a second Zap (trigger: Catch Hook) to process the body, or poll with Find Approval Result.

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Prerequisites

  • Credentials: Agent ID, workspace API key, base URL.
  • A Zapier plan that supports the building blocks you need (e.g. Webhooks by Zapier for catch hooks, multi-step Zaps, and possibly Code by Zapier if you bypass the official app and craft raw HTTP).

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Custom HTTP (no Zapier app)

Every Agent API call must include:
HeaderValue
X-Agent-IdYour Agent ID
X-Api-KeyYour workspace API key
Use an action that allows custom headers (often Webhooks by Zapier → Custom Request, or Code by Zapier).

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Create an approval

  1. Trigger your Zap (schedule, form, another app, etc.).
  2. Add Webhooks by Zapier → POST (or Custom Request) to {BASE_URL}/v1/approvals.
  3. Set method POST, body type JSON, and paste a body that matches POST /v1/approvals.
  4. Add the headers above in the custom headers section.
Capture request_id from the create response for polling (present whether you set request_id in the body or not), or configure a callback (below).

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Get the result

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Option A — Callback

  1. Create a Catch Hook in Webhooks by Zapier and copy the hook URL.
  2. In your create approval JSON, set callback.url to that hook URL.
  3. Use a second Zap (trigger: Catch Hook) to process the POST body when the approval completes.
Zapier’s exact steps vary by interface version; look for “Custom Request” or raw JSON body support.

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Option B — Polling

Zapier does not offer a built-in “wait until HTTP changes” loop. Practical patterns:
  • Use Delay between repeated GET calls to {BASE_URL}/v1/approvals/{requestId}/result (use the request_id from the create response as {requestId}), or
  • Use Code by Zapier to loop with delays (subject to Zapier execution time limits), or
  • Use the official integration’s Find Approval Result action, or
  • Prefer callback (Option A) for long human wait times.
Treat status: "pending" as “not done yet”; see GET result.

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Limitations

  • Zapier task limits and step timeouts apply—callbacks are usually more reliable than long polling for human-in-the-loop delays.
  • Store API keys in Zapier Secrets or connection fields, not in plain text in shared Zaps.