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

# Bind wallet address

> Bind and verify a wallet address using EIP-191 signature from the challenge.



## OpenAPI

````yaml /api-reference/openapi.json put /api/v1/agents/wallet
openapi: 3.1.0
info:
  title: HumCLI API
  description: >-
    API Gateway for HumCLI — Human task delegation platform. Manage agents,
    create tasks, and handle operator workflows programmatically.
  version: 1.0.0
  contact:
    name: HumCLI Support
    email: support@humcli.com
servers:
  - url: https://api.humcli.com
    description: Production
security: []
tags:
  - name: Agents
    description: Agent registration, API keys, wallet, and deposits
  - name: Tasks
    description: Task creation, management, and verification
  - name: Operators
    description: Operator registration, task browsing, earnings, and payouts
  - name: Webhooks
    description: Inbound webhook callbacks
paths:
  /api/v1/agents/wallet:
    put:
      tags:
        - Agents
      summary: Bind wallet address
      description: >-
        Bind and verify a wallet address using EIP-191 signature from the
        challenge.
      operationId: agentBindWallet
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/BindWalletRequest'
      responses:
        '200':
          description: Wallet bound
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/WalletBindResponse'
        '400':
          description: Invalid or expired challenge
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security:
        - apiKeyAuth: []
components:
  schemas:
    BindWalletRequest:
      type: object
      properties:
        wallet_address:
          type: string
          minLength: 1
        nonce:
          type: string
          format: uuid
        signature:
          type: string
          minLength: 1
        chain:
          type: string
          default: base
      required:
        - wallet_address
        - nonce
        - signature
    WalletBindResponse:
      type: object
      properties:
        agent_id:
          type: string
        wallet_address:
          type: string
        chain:
          type: string
        verified_at:
          type: string
      required:
        - agent_id
        - wallet_address
        - chain
        - verified_at
    Error:
      type: object
      properties:
        error:
          type: string
      required:
        - error
  securitySchemes:
    apiKeyAuth:
      type: apiKey
      in: header
      name: X-API-Key
      description: 'API key for agent and task endpoints. Format: ho_live_...'

````