> ## Documentation Index
> Fetch the complete documentation index at: https://nevermined.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# JSON Web Key Set (ES256K / secp256k1)

> The public keys OAuth clients use to verify the JWTs this authorization server issues. Public — no authentication.



## OpenAPI

````yaml /api-reference/oauth-openapi.json get /.well-known/jwks.json
openapi: 3.0.0
info:
  title: Nevermined Authentication API
  description: >-
    The OAuth 2.1 + RFC 8628 device-flow ceremony and standards-based discovery
    endpoints an agent or connector uses to obtain and manage a Nevermined
    credential. These endpoints are root-mounted (not under /api/v1).
  version: 1.0.0
  contact: {}
servers:
  - url: https://api.sandbox.nevermined.app
    description: Sandbox
  - url: https://api.live.nevermined.app
    description: Live
security: []
tags:
  - name: Authentication - Ceremony
    x-group: Ceremony
    description: Authorization Code (PKCE) and RFC 8628 device grant.
  - name: Authentication - Connections
    x-group: Connections
    description: AgentBindings — the consent receipts a user manages.
  - name: Authentication - Discovery
    x-group: Discovery
    description: RFC 8414 / 9728 / JWKS metadata.
paths:
  /.well-known/jwks.json:
    get:
      tags:
        - Authentication - Discovery
      summary: JSON Web Key Set (ES256K / secp256k1)
      description: >-
        The public keys OAuth clients use to verify the JWTs this authorization
        server issues. Public — no authentication.
      responses:
        '200':
          description: JWKS
          content:
            application/json:
              schema:
                type: object
                properties:
                  keys:
                    type: array
                    items:
                      type: object
                      additionalProperties: true

````

## Related topics

- [Authentication for AI Agents](/docs/integrate/authentication/for-agents.md)
- [Authentication & Identity](/docs/integrate/authentication/overview.md)
- [x402 Delegation Extension](/docs/specs/x402-card-delegation.md)
- [Generic HTTP](/docs/integrate/add-to-your-agent/generic-http.md)
- [Generate a WebSocket secret](/docs/api-reference/organizations--realtime/generate-a-websocket-secret.md)