---
title: "Submit Credential Session Endpoint"
method: POST
path: "/v3/mcp/credential-sessions/{session_id}/submit"
tags: ["v3", "MCP"]
---

# Submit Credential Session Endpoint

`POST /v3/mcp/credential-sessions/{session_id}/submit`

Submit credentials from the hosted credential page.

Called by the frontend form when the user enters their credentials.
No API key required; the session_id acts as a bearer token.

## Path parameters

- `session_id` string, required

## Request body

- CredentialSubmitRequest — Request body for submitting credentials via the hosted page.
  - `secrets` object, required

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/definite/apis/defapi.md) · [All operations](https://skmtc.dev/definite/apis/defapi/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/definite/defapi/revisions/3943d8deb3be/schema)