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Welcome to the Inbox Enterprise API

The Enterprise API gives you full access to manage the following entities in your team:
  • Threads: DM conversations on X
  • Account links: X accounts connected to your team
  • Members: users who can access the team
  • Prospects: external profiles on X
  • Tags: labels for prospects
  • Statuses: pipeline statuses for prospects
As of now, access to the following is not available:
  • Lists: Saved collections of leads
  • Campaigns: Automated DM sequences

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Authentication

All API endpoints are authenticated using Bearer tokens. Include your token in the Authorization header: 
Authorization: Bearer YOUR_API_TOKEN

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Base URL

All API requests should be made to: 
https://inboxapp.com/api/v1

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A quick note on IDs

Inbox stores two types of IDs for objects that relate to X:
  • id — The Inbox ID, which is the ID of the Inbox object
  • platformId — The original X ‘platform’ ID, which is the ID of the X user, conversation, etc.
Throughout the API, you’ll see instances where multiple IDs are present. platformId is always the original X ID.

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Encoding objects and arrays in query params

Inbox’s API uses bracket notation to denote objects and arrays.

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Objects

For an endpoint that accepts a cursor parameter for instance, with the cursor object being: 
{
  "id": "l44e15irdq4db30i77cgphhx",
  "timestamp": "2025-11-10T18:03:16.000Z"
}
The URL search params would be encoded as: 
?cursor[id]=l44e15irdq4db30i77cgphhx&cursor[timestamp]=2025-11-10T18:03:16.000Z

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Arrays

For an endpoint that accepts an ids parameter for instance, with the value being: 
["1", "2", "3"]
there are three options:
  1. Repeat the parameter for each value:
?ids=1&ids=2&ids=3
  1. Append [] to explicitly denote an array (useful if there’s only one value):
?ids[]=1&ids[]=2&ids[]=3
  1. Append [number] to denote the array index. This option is the most flexible and allows for reordering and skipping values:
?ids[0]=1&ids[1]=2&ids[2]=3