curl -X POST 'https://api.anthropic.com/v1/vaults/vault-id/credentials/credential-id/mcp_oauth_validate?beta=true' \
  -H "x-api-key: $ANTHROPIC_API_KEY" \
  -H 'anthropic-version: 2023-06-01'

# POST /v1/vaults/{vault_id}/credentials/{credential_id}/mcp_oauth_validate?beta=true (Claude API)
Base URL: https://api.anthropic.com
Auth: x-api-key; Anthropic API key; required.
Status: Beta.
Last verified: 2026-10-20

> Validate Credential

## Critical Gotchas
* Authentication uses the `x-api-key` header and requests also require an `anthropic-version` header.
* The official OpenAPI URL is discovered from the SDK repository manifest and must remain under Anthropic's trusted Stainless storage prefix.

## cURL
curl -X POST 'https://api.anthropic.com/v1/vaults/vault-id/credentials/credential-id/mcp_oauth_validate?beta=true' \
  -H "x-api-key: $ANTHROPIC_API_KEY" \
  -H 'anthropic-version: 2023-06-01'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| vault_id | path | string | Yes | Path parameter vault_id |
| credential_id | path | string | Yes | Path parameter credential_id |

## Response example
{"type":"vault_credential_validation","credential_id":"vcrd_011CZkZEMt8gZan2iYOQfSkw"}

---
Need an API key? Get one at https://console.anthropic.com/settings/keys

POST

POST /v1/vaults/{vault_id}/credentials/{credential_id}/mcp_oauth_validate?beta=true — Claude API

Beta

Anthropic API key (required); https://api.anthropic.com

Claude API

Validate Credential

Base URL: https://api.anthropic.com
Auth: x-api-key: <ANTHROPIC_API_KEY>
Last verified: 2026-10-20 · upstream hash matched

Actions Try in browser→

Agents: curl -H "Accept: text/markdown" this URL
→ 177 tokens · Vary: Accept

Critical gotchas

Authentication uses the x-api-key header and requests also require an anthropic-version header.

The official OpenAPI URL is discovered from the SDK repository manifest and must remain under Anthropic's trusted Stainless storage prefix.

cURL

curl -X POST 'https://api.anthropic.com/v1/vaults/vault-id/credentials/credential-id/mcp_oauth_validate?beta=true' \  -H "x-api-key: $ANTHROPIC_API_KEY" \  -H 'anthropic-version: 2023-06-01'

Parameters

Name	In	Type	Required	Description
vault_id	path	string	Yes	Path parameter vault_id
credential_id	path	string	Yes	Path parameter credential_id

Response 200 OK

{
  "type": "vault_credential_validation",
  "credential_id": "vcrd_011CZkZEMt8gZan2iYOQfSkw",
  "vault_id": "vlt_011CZkZDLs7fYzm1hXNPeRjv",
  "status": "valid",
  "validated_at": "2026-03-15T10:00:00Z",
  "has_refresh_token": true,
  "mcp_probe": null,
  "refresh": null
}

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