---
title: "Create Binding"
method: POST
path: "/external/bindings"
tags: ["External Backends"]
---

# Create Binding

`POST /external/bindings`

## Request

- Base URL: `https://api.chutes.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.chutes.ai/external/bindings`
- Auth: API key in header `Authorization`

## Headers

- `X-Chutes-Hotkey` string, nullable
- `X-Chutes-Signature` string, nullable
- `X-Chutes-Nonce` string, nullable
- `Authorization` string, nullable

## Request body

- ExternalChuteBindingCreate
  - `chute_id` string, required
  - `account_id` string, required
  - `routes` ExternalRouteConfig[], required
    - `cord_path` string, required
    - `upstream_resource_id` string, required
    - `operation_mode` 'sync' | 'stream' | 'task' | 'realtime', required
    - `protocol` string, required
    - `base_url` string, uri, nullable
    - `path_template` string, required
    - `method` string
    - `request_config` object
    - `response_config` object
    - `operation_config` object
    - `capabilities` object
  - `enabled` boolean

## Response `201`

Successful Response

- string

## Other responses

- `422`: Validation Error

## Changes

- **2026-10-16** `23e8895b217d`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/chutes/apis/fastapi/changes/external/bindings/post.md)

---

[API](https://skmtc.dev/chutes/apis/fastapi.md) - [All operations](https://skmtc.dev/chutes/apis/fastapi/llms.txt) - [OpenAPI document](https://skmtc.dev/chutes/apis/fastapi/revisions/8add5b0e22da?raw)