Build on PromptLab

Ways to connect

• REST API

  Read and write contacts, companies, deals, notes and tasks.

  Open

• Webhooks

  A signed request to your URL when a record changes.

  Open

• MCP

  Use the CRM from Claude, ChatGPT and other AI assistants.

  Open

• Workflows

  No code: start a workflow from a webhook, or call any URL with an HTTP request step.

  In the app

Quickstart

1. 1

   Create a key

   Copy it: it is shown once.

   Settings→Developers→API keysWorkspace owners and admins
2. 2

   Make a request

   Send the key as a Bearer token.

   curl "https://api.trypromptlab.com/api/v1/contacts?limit=1" \
     -H "Authorization: Bearer pl_live_…"

3. 3

   Done

   JSON back. Now create, update and delete.

   {
     "data": [
       {
         "id": "665f1c2a9b1e8a0012ab34cd",
         "object": "contact",
         "firstName": "Ada",
         "lastName": "Lovelace",
         "email": "ada@acme.com",
         "createdAt": "2026-10-22T08:15:51.000Z",
         "updatedAt": "2026-10-22T08:15:51.000Z"
       }
     ],
     "pagination": { "page": 1, "limit": 1, "total": 42, "totalPages": 42 }
   }