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

# Complete AgentID authorization-code verification

> Exchanges an AgentID authorization code with PKCE, verifies ES256 issuer, audience, nonce, stable subject, and live inbox, and marks the pending signup identity-verified. The callback never returns a Locus credential; the agent replays POST /credits/agent/register to receive it.



## OpenAPI

````yaml /api-reference/openapi.json get /credits/agent/identity/agentid/callback
openapi: 3.1.0
info:
  title: Locus Pro API
  description: >-
    Production is live at https://api.paywithlocus.com/api. Stage remains
    available for evaluation and integration testing at
    https://api.stage.paywithlocus.com/api; credentials, balances, and tenant
    data are isolated by environment. Embedded prepaid credits over the Locus
    pay-per-use catalog. Money and top-up amounts use exact decimal strings (up
    to 6dp). Every burn requires an Idempotency-Key header. Management routes
    accept a tenant secret key or authorized dashboard session as shown per
    operation. Widget routes accept an end-user JWT alone; when a publishable
    key is present it must belong to the JWT's tenant. MCP uses OAuth 2.1
    Authorization Code with PKCE by default and also accepts the explicitly
    documented tenant secret key, end-user JWT, or scoped agent connection
    compatibility credentials. Burns accept the execution credentials shown per
    operation. Publishable keys never authorize management or burns by
    themselves.
  version: 0.6.0
servers:
  - url: https://api.paywithlocus.com/api
    description: Production
  - url: https://api.stage.paywithlocus.com/api
    description: Stage — evaluation and integration testing
security:
  - secretKey: []
tags:
  - name: Authentication
    description: Email-verified self-serve account creation and dashboard identity
  - name: Tenants
    description: Tenant profile, keys, and settings (dashboard session or secret key)
  - name: Workspace members
    description: Invite-only human workspace membership and role administration
  - name: Catalog
    description: Enable/disable APIs and set markups
  - name: Custom APIs
    description: >-
      Available when enabled for the workspace. Enterprise BYOK providers and
      schema-backed custom actions
  - name: End users
    description: End-user accounts, tokens, and allocations
  - name: Top-ups
    description: Locus-hosted checkout top-ups and quotes
  - name: Ledger
    description: Burn/top-up history and earnings
  - name: Webhooks
    description: Signed events, delivery inspection, and replay
  - name: Burn
    description: Metered pay-per-use calls
  - name: Travel routing
    description: >-
      Available when enabled for the workspace. Multi-provider flight search,
      no-dispatch planning, and feedback
  - name: MCP
    description: Stateless Streamable HTTP transport and MCP tool-result contracts
  - name: Okibi Identity
    description: >-
      Available when enabled for the workspace. Okibi identity verification and
      scoped native CLI credential bootstrap
  - name: Widget
    description: End-user JWT surface; a matching publishable key is optional
  - name: Agent-native onboarding
    description: >-
      Self-registration, human Stripe funding handoff, and restricted account
      setup for headless agents
  - name: Agent connections
    description: Scoped, expiring, revocable credentials for agent execution
  - name: Capability routing
    description: Outcome-level web search and research across eligible catalog providers
paths:
  /credits/agent/identity/agentid/callback:
    get:
      tags:
        - Agent-native onboarding
      summary: Complete AgentID authorization-code verification
      description: >-
        Exchanges an AgentID authorization code with PKCE, verifies ES256
        issuer, audience, nonce, stable subject, and live inbox, and marks the
        pending signup identity-verified. The callback never returns a Locus
        credential; the agent replays POST /credits/agent/register to receive
        it.
      parameters:
        - name: code
          in: query
          required: true
          schema:
            type: string
        - name: state
          in: query
          required: true
          schema:
            type: string
            pattern: ^[A-Za-z0-9_-]{43}$
        - name: iss
          in: query
          required: false
          schema:
            type: string
            const: https://auth.agentid.com
          description: >-
            RFC 9207 authorization-response issuer. When present, it must match
            the trusted AgentID issuer.
      responses:
        '200':
          description: Static success page; replay registration to activate
        '400':
          description: Invalid, denied, expired, or unverifiable AgentID callback
        '503':
          description: AgentID or signup configuration is temporarily unavailable
      security: []
components:
  securitySchemes:
    secretKey:
      type: http
      scheme: bearer
      description: Tenant secret key (lcr_…). Server-side only.

````