## Create Credential

`client.beta.vaults.credentials.create(stringvaultID, CredentialCreateParamsparams, RequestOptionsoptions?): BetaManagedAgentsCredential`

**post** `/v1/vaults/{vault_id}/credentials`

Create Credential

### Parameters

- `vaultID: string`

- `params: CredentialCreateParams`

  - `auth: BetaManagedAgentsMCPOAuthCreateParams | BetaManagedAgentsStaticBearerCreateParams | BetaManagedAgentsEnvironmentVariableCreateParams`

    Body param: Authentication details for creating a credential.

    - `BetaManagedAgentsMCPOAuthCreateParams`

      Parameters for creating an MCP OAuth credential.

      - `access_token: string`

        OAuth access token.

      - `mcp_server_url: string`

        URL of the MCP server this credential authenticates against.

      - `type: "mcp_oauth"`

        - `"mcp_oauth"`

      - `expires_at?: string | null`

        A timestamp in RFC 3339 format

      - `refresh?: BetaManagedAgentsMCPOAuthRefreshParams | null`

        OAuth refresh token parameters for creating a credential with refresh support.

        - `client_id: string`

          OAuth client ID.

        - `refresh_token: string`

          OAuth refresh token.

        - `token_endpoint: string`

          Token endpoint URL used to refresh the access token.

        - `token_endpoint_auth: BetaManagedAgentsTokenEndpointAuthNoneParam | BetaManagedAgentsTokenEndpointAuthBasicParam | BetaManagedAgentsTokenEndpointAuthPostParam`

          Token endpoint requires no client authentication.

          - `BetaManagedAgentsTokenEndpointAuthNoneParam`

            Token endpoint requires no client authentication.

            - `type: "none"`

              - `"none"`

          - `BetaManagedAgentsTokenEndpointAuthBasicParam`

            Token endpoint uses HTTP Basic authentication with client credentials.

            - `client_secret: string`

              OAuth client secret.

            - `type: "client_secret_basic"`

              - `"client_secret_basic"`

          - `BetaManagedAgentsTokenEndpointAuthPostParam`

            Token endpoint uses POST body authentication with client credentials.

            - `client_secret: string`

              OAuth client secret.

            - `type: "client_secret_post"`

              - `"client_secret_post"`

        - `resource?: string | null`

          OAuth resource indicator.

        - `scope?: string | null`

          OAuth scope for the refresh request.

    - `BetaManagedAgentsStaticBearerCreateParams`

      Parameters for creating a static bearer token credential.

      - `token: string`

        Static bearer token value.

      - `mcp_server_url: string`

        URL of the MCP server this credential authenticates against.

      - `type: "static_bearer"`

        - `"static_bearer"`

    - `BetaManagedAgentsEnvironmentVariableCreateParams`

      Parameters for creating an environment variable credential.

      - `networking: BetaManagedAgentsCredentialNetworkingParams`

        Outbound hosts the secret value is substituted on.

        - `BetaManagedAgentsUnrestrictedCredentialNetworkingParams`

          Substitute the secret on any host the session's Environment network policy permits egress to. The Environment's network policy is the only boundary on where the secret can reach.

          - `type: "unrestricted"`

            - `"unrestricted"`

        - `BetaManagedAgentsLimitedCredentialNetworkingParams`

          Substitute the secret only on requests to the listed hosts.

          - `allowed_hosts: Array<string>`

            Hostnames on which the secret will be substituted. Each entry is a bare hostname (`api.example.com`), an IPv4 address (`192.0.2.1`), or a `*.`-prefixed wildcard (`*.example.com`). URLs, ports, paths, and IPv6 addresses are not accepted. At most 16 entries.

          - `type: "limited"`

            - `"limited"`

      - `secret_name: string`

        Name of the environment variable. Immutable after create.

      - `secret_value: string`

        Secret value. Write-only; never returned in responses.

      - `type: "environment_variable"`

        - `"environment_variable"`

  - `display_name?: string | null`

    Body param: Human-readable name for the credential. Up to 255 characters.

  - `metadata?: Record<string, string>`

    Body param: Arbitrary key-value metadata to attach to the credential. Maximum 16 pairs, keys up to 64 chars, values up to 512 chars.

  - `betas?: Array<AnthropicBeta>`

    Header param: Optional header to specify the beta version(s) you want to use.

    - `(string & {})`

    - `"message-batches-2024-09-24" | "prompt-caching-2024-07-31" | "computer-use-2024-10-22" | 25 more`

      - `"message-batches-2024-09-24"`

      - `"prompt-caching-2024-07-31"`

      - `"computer-use-2024-10-22"`

      - `"computer-use-2025-01-24"`

      - `"pdfs-2024-09-25"`

      - `"token-counting-2024-11-01"`

      - `"token-efficient-tools-2025-02-19"`

      - `"output-128k-2025-02-19"`

      - `"files-api-2025-04-14"`

      - `"mcp-client-2025-04-04"`

      - `"mcp-client-2025-11-20"`

      - `"dev-full-thinking-2025-05-14"`

      - `"interleaved-thinking-2025-05-14"`

      - `"code-execution-2025-05-22"`

      - `"extended-cache-ttl-2025-04-11"`

      - `"context-1m-2025-08-07"`

      - `"context-management-2025-06-27"`

      - `"model-context-window-exceeded-2025-08-26"`

      - `"skills-2025-10-02"`

      - `"fast-mode-2026-02-01"`

      - `"output-300k-2026-03-24"`

      - `"user-profiles-2026-03-24"`

      - `"advisor-tool-2026-03-01"`

      - `"managed-agents-2026-04-01"`

      - `"cache-diagnosis-2026-04-07"`

      - `"thinking-token-count-2026-05-13"`

      - `"server-side-fallback-2026-06-01"`

      - `"fallback-credit-2026-06-01"`

### Returns

- `BetaManagedAgentsCredential`

  A credential stored in a vault. Sensitive fields are never returned in responses.

  - `id: string`

    Unique identifier for the credential.

  - `archived_at: string | null`

    A timestamp in RFC 3339 format

  - `auth: BetaManagedAgentsMCPOAuthAuthResponse | BetaManagedAgentsStaticBearerAuthResponse | BetaManagedAgentsEnvironmentVariableAuthResponse`

    Authentication details for a credential.

    - `BetaManagedAgentsMCPOAuthAuthResponse`

      OAuth credential details for an MCP server.

      - `mcp_server_url: string`

        URL of the MCP server this credential authenticates against.

      - `type: "mcp_oauth"`

        - `"mcp_oauth"`

      - `expires_at?: string | null`

        A timestamp in RFC 3339 format

      - `refresh?: BetaManagedAgentsMCPOAuthRefreshResponse | null`

        OAuth refresh token configuration returned in credential responses.

        - `client_id: string`

          OAuth client ID.

        - `token_endpoint: string`

          Token endpoint URL used to refresh the access token.

        - `token_endpoint_auth: BetaManagedAgentsTokenEndpointAuthNoneResponse | BetaManagedAgentsTokenEndpointAuthBasicResponse | BetaManagedAgentsTokenEndpointAuthPostResponse`

          Token endpoint requires no client authentication.

          - `BetaManagedAgentsTokenEndpointAuthNoneResponse`

            Token endpoint requires no client authentication.

            - `type: "none"`

              - `"none"`

          - `BetaManagedAgentsTokenEndpointAuthBasicResponse`

            Token endpoint uses HTTP Basic authentication with client credentials.

            - `type: "client_secret_basic"`

              - `"client_secret_basic"`

          - `BetaManagedAgentsTokenEndpointAuthPostResponse`

            Token endpoint uses POST body authentication with client credentials.

            - `type: "client_secret_post"`

              - `"client_secret_post"`

        - `resource?: string | null`

          OAuth resource indicator.

        - `scope?: string | null`

          OAuth scope for the refresh request.

    - `BetaManagedAgentsStaticBearerAuthResponse`

      Static bearer token credential details for an MCP server.

      - `mcp_server_url: string`

        URL of the MCP server this credential authenticates against.

      - `type: "static_bearer"`

        - `"static_bearer"`

    - `BetaManagedAgentsEnvironmentVariableAuthResponse`

      Environment variable credential details. The secret value is never returned.

      - `networking: BetaManagedAgentsUnrestrictedCredentialNetworkingResponse | BetaManagedAgentsLimitedCredentialNetworkingResponse`

        Outbound hosts the secret value is substituted on.

        - `BetaManagedAgentsUnrestrictedCredentialNetworkingResponse`

          The secret is substituted on any host the session's Environment network policy permits egress to.

          - `type: "unrestricted"`

            - `"unrestricted"`

        - `BetaManagedAgentsLimitedCredentialNetworkingResponse`

          The secret is substituted only on requests to the listed hosts.

          - `allowed_hosts: Array<string>`

            Hostnames on which the secret will be substituted. An entry matches the request host exactly; a `*.`-prefixed entry matches any subdomain of the named domain but not the domain itself.

          - `type: "limited"`

            - `"limited"`

      - `secret_name: string`

        Name of the environment variable.

      - `type: "environment_variable"`

        - `"environment_variable"`

  - `created_at: string`

    A timestamp in RFC 3339 format

  - `metadata: Record<string, string>`

    Arbitrary key-value metadata attached to the credential.

  - `type: "vault_credential"`

    - `"vault_credential"`

  - `updated_at: string`

    A timestamp in RFC 3339 format

  - `vault_id: string`

    Identifier of the vault this credential belongs to.

  - `display_name?: string | null`

    Human-readable name for the credential.

### Example

```typescript
import Anthropic from '@anthropic-ai/sdk';

const client = new Anthropic({
  apiKey: process.env['ANTHROPIC_API_KEY'], // This is the default and can be omitted
});

const betaManagedAgentsCredential = await client.beta.vaults.credentials.create(
  'vlt_011CZkZDLs7fYzm1hXNPeRjv',
  {
    auth: {
      token: 'bearer_exampletoken',
      mcp_server_url: 'https://example-server.modelcontextprotocol.io/sse',
      type: 'static_bearer',
    },
  },
);

console.log(betaManagedAgentsCredential.id);
```

#### Response

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