curl -X POST 'https://api.anthropic.com/v1/vaults/vault-id/credentials?beta=true' \
  -H "x-api-key: $ANTHROPIC_API_KEY" \
  -H 'anthropic-version: 2023-06-01' \
  -H 'Content-Type: application/json' \
  -d '{
  "auth": {
    "type": "static_bearer",
    "token": "bearer_exampletoken",
    "mcp_server_url": "https://example-server.modelcontextprotocol.io/sse"
  }
}'

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

> Create 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?beta=true' \
  -H "x-api-key: $ANTHROPIC_API_KEY" \
  -H 'anthropic-version: 2023-06-01' \
  -H 'Content-Type: application/json' \
  -d '{
  "auth": {
    "type": "static_bearer",
    "token": "bearer_exampletoken",
    "mcp_server_url": "https://example-server.modelcontextprotocol.io/sse"
  }
}'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| vault_id | path | string | Yes | Path parameter vault_id |
| auth | body | object | Yes | Authentication configuration for the credential. |
| display_name | body | string | No | Human-readable name for the credential. Up to 255 characters. |
| metadata | body | object | No | Arbitrary key-value metadata to attach to the credential. Maximum 16 pairs, k... |

## Response example
{"type":"vault_credential","id":"vcrd_011CZkZEMt8gZan2iYOQfSkw"}

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

POST

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

Beta

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

Claude API

Create 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
→ 259 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?beta=true' \  -H "x-api-key: $ANTHROPIC_API_KEY" \  -H 'anthropic-version: 2023-06-01' \  -H 'Content-Type: application/json' \  -d '{  "auth": {    "type": "static_bearer",    "token": "bearer_exampletoken",    "mcp_server_url": "https://example-server.modelcontextprotocol.io/sse"  }}'

Parameters

Name	In	Type	Required	Description
vault_id	path	string	Yes	Path parameter vault_id
auth	body	object	Yes	Authentication configuration for the credential.
display_name	body	string	No	Human-readable name for the credential. Up to 255 characters.
metadata	body	object	No	Arbitrary key-value metadata to attach to the credential. Maximum 16 pairs, keys up to 64 chars, values up to 512 chars.

Response 200 OK

{
  "type": "vault_credential",
  "id": "vcrd_011CZkZEMt8gZan2iYOQfSkw",
  "vault_id": "vlt_011CZkZDLs7fYzm1hXNPeRjv",
  "display_name": "Example credential",
  "metadata": {
    "environment": "production"
  },
  "created_at": "2026-03-15T10:00:00Z",
  "updated_at": "2026-03-15T10:00:00Z",
  "archived_at": null,
  "auth": {
    "type": "static_bearer",
    "mcp_server_url": "https://example-server.modelcontextprotocol.io/sse"
  }
}

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