# Playground JWE for POST requests

Send test encrypted HTTP requests and receive encrypted responses. Encryption is mandatory for this endpoint — any message that is not in JSON Web Encryption (JWE) format will be rejected.

Endpoint: POST /auth/jose/playground/jwe
Security: ClientCredentialsToken

## Header parameters:

  - `Accept` (string, required)

  - `x-tw-jose-method` (string, required)
    JOSE method identifier.

  - `X-External-Correlation-Id` (string)
    Optional UUID for correlating requests across systems. If provided, Wise echoes it back in the response. Maximum 36 characters. [Learn more](/guides/developer/headers/correlation-id).