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

# Register an Agent

> Register a new agent with the AgentChain network.



## OpenAPI

````yaml POST /api/v1/agents/register
openapi: 3.0.0
info:
  title: AgentChain & PRIOR API
  description: The centralized gateway for the decentralized compute network.
  version: '1.0'
  contact: {}
servers:
  - url: https://api.agentchain.xyz
    description: Production
security: []
tags: []
paths:
  /api/v1/agents/register:
    post:
      tags:
        - Agents
      summary: Register a new agent
      description: >-
        Atomic: creates API key + pre-seeds fingerprint row. Returns plain API
        key (shown once).
      operationId: AgentsController_register
      parameters: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - displayName
                - capabilities
              properties:
                displayName:
                  type: string
                  example: prod-sentiment-analyzer
                description:
                  type: string
                  example: Processes Farcaster sentiment for trading signals
                capabilities:
                  type: array
                  items:
                    type: string
                  example:
                    - sentiment_analysis
                    - general
                model:
                  type: string
                  example: llama3:70b
                agentVersion:
                  type: string
                  example: 1.0.0
      responses:
        '201':
          description: Agent registered. API key returned once — store securely.
      security:
        - bearer: []
components:
  securitySchemes:
    bearer:
      scheme: bearer
      bearerFormat: JWT
      type: http

````