## Update Credential

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

Update Credential

### Path Parameters

- `vault_id: string`

- `credential_id: string`

### Header Parameters

- `"anthropic-beta": optional array of AnthropicBeta`

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

  - `string`

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

### Body Parameters

- `auth: optional BetaManagedAgentsMCPOAuthUpdateParams or BetaManagedAgentsStaticBearerUpdateParams or BetaManagedAgentsEnvironmentVariableUpdateParams`

  Updated authentication details for a credential.

  - `BetaManagedAgentsMCPOAuthUpdateParams object { type, access_token, expires_at, refresh }`

    Parameters for updating an MCP OAuth credential. The `mcp_server_url` is immutable.

    - `type: "mcp_oauth"`

      - `"mcp_oauth"`

    - `access_token: optional string`

      Updated OAuth access token.

    - `expires_at: optional string`

      A timestamp in RFC 3339 format

    - `refresh: optional BetaManagedAgentsMCPOAuthRefreshUpdateParams`

      Parameters for updating OAuth refresh token configuration.

      - `refresh_token: optional string`

        Updated OAuth refresh token.

      - `scope: optional string`

        Updated OAuth scope for the refresh request.

      - `token_endpoint_auth: optional BetaManagedAgentsTokenEndpointAuthBasicUpdateParam or BetaManagedAgentsTokenEndpointAuthPostUpdateParam`

        Updated HTTP Basic authentication parameters for the token endpoint.

        - `BetaManagedAgentsTokenEndpointAuthBasicUpdateParam object { type, client_secret }`

          Updated HTTP Basic authentication parameters for the token endpoint.

          - `type: "client_secret_basic"`

            - `"client_secret_basic"`

          - `client_secret: optional string`

            Updated OAuth client secret.

        - `BetaManagedAgentsTokenEndpointAuthPostUpdateParam object { type, client_secret }`

          Updated POST body authentication parameters for the token endpoint.

          - `type: "client_secret_post"`

            - `"client_secret_post"`

          - `client_secret: optional string`

            Updated OAuth client secret.

  - `BetaManagedAgentsStaticBearerUpdateParams object { type, token }`

    Parameters for updating a static bearer token credential. The `mcp_server_url` is immutable.

    - `type: "static_bearer"`

      - `"static_bearer"`

    - `token: optional string`

      Updated static bearer token value.

  - `BetaManagedAgentsEnvironmentVariableUpdateParams object { type, networking, secret_value }`

    Parameters for updating an environment variable credential. `secret_name` is immutable.

    - `type: "environment_variable"`

      - `"environment_variable"`

    - `networking: optional BetaManagedAgentsCredentialNetworkingParams`

      Updated networking scope. Full replacement.

      - `BetaManagedAgentsUnrestrictedCredentialNetworkingParams object { type }`

        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 object { allowed_hosts, type }`

        Substitute the secret only on requests to the listed hosts.

        - `allowed_hosts: array of 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_value: optional string`

      Updated secret value.

- `display_name: optional string`

  Updated human-readable name for the credential. 1-255 characters.

- `metadata: optional map[string]`

  Metadata patch. Set a key to a string to upsert it, or to null to delete it. Omitted keys are preserved.

### Returns

- `BetaManagedAgentsCredential object { id, archived_at, auth, 6 more }`

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

  - `id: string`

    Unique identifier for the credential.

  - `archived_at: string`

    A timestamp in RFC 3339 format

  - `auth: BetaManagedAgentsMCPOAuthAuthResponse or BetaManagedAgentsStaticBearerAuthResponse or BetaManagedAgentsEnvironmentVariableAuthResponse`

    Authentication details for a credential.

    - `BetaManagedAgentsMCPOAuthAuthResponse object { mcp_server_url, type, expires_at, refresh }`

      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: optional string`

        A timestamp in RFC 3339 format

      - `refresh: optional BetaManagedAgentsMCPOAuthRefreshResponse`

        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 or BetaManagedAgentsTokenEndpointAuthBasicResponse or BetaManagedAgentsTokenEndpointAuthPostResponse`

          Token endpoint requires no client authentication.

          - `BetaManagedAgentsTokenEndpointAuthNoneResponse object { type }`

            Token endpoint requires no client authentication.

            - `type: "none"`

              - `"none"`

          - `BetaManagedAgentsTokenEndpointAuthBasicResponse object { type }`

            Token endpoint uses HTTP Basic authentication with client credentials.

            - `type: "client_secret_basic"`

              - `"client_secret_basic"`

          - `BetaManagedAgentsTokenEndpointAuthPostResponse object { type }`

            Token endpoint uses POST body authentication with client credentials.

            - `type: "client_secret_post"`

              - `"client_secret_post"`

        - `resource: optional string`

          OAuth resource indicator.

        - `scope: optional string`

          OAuth scope for the refresh request.

    - `BetaManagedAgentsStaticBearerAuthResponse object { mcp_server_url, type }`

      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 object { networking, secret_name, type }`

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

      - `networking: BetaManagedAgentsUnrestrictedCredentialNetworkingResponse or BetaManagedAgentsLimitedCredentialNetworkingResponse`

        Outbound hosts the secret value is substituted on.

        - `BetaManagedAgentsUnrestrictedCredentialNetworkingResponse object { type }`

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

          - `type: "unrestricted"`

            - `"unrestricted"`

        - `BetaManagedAgentsLimitedCredentialNetworkingResponse object { allowed_hosts, type }`

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

          - `allowed_hosts: array of 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: map[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: optional string`

    Human-readable name for the credential.

### Example

```http
curl https://api.anthropic.com/v1/vaults/$VAULT_ID/credentials/$CREDENTIAL_ID \
    -H 'Content-Type: application/json' \
    -H 'anthropic-version: 2023-06-01' \
    -H 'anthropic-beta: managed-agents-2026-04-01' \
    -H "X-Api-Key: $ANTHROPIC_API_KEY" \
    -d '{
          "display_name": "Example credential",
          "metadata": {
            "environment": "production"
          }
        }'
```

#### 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"
}
```