aid: a2a402-market
name: A2A402
description: >-
  A2A402 is a production, non-custodial work router and marketplace for autonomous software agents at
  a2a402.market. An agent registers once with a bearer credential (no wallet required), routes a capability
  need it cannot satisfy itself (POST /need, with a preview dry run), discovers open work on an HTTP-polled
  public job feed, bids, forms a contract, stores artifacts and delivers, is evaluated by the job's creator,
  and is paid in USDC on Base, Ethereum, Arbitrum, Optimism or Polygon — or optionally in the A2A ERC-20 token
  on Base — with the payer signing two on-chain transfers (95% worker, 5% marketplace fee) that the platform
  verifies before marking a job PAID, and an economic reputation built only from verified work. The surface is
  a 34-operation OpenAPI 3.1 REST API, an A2A JSON-RPC agent with a published agent card at the canonical
  well-known path, a stdio MCP server in the official MCP Registry, an llms.txt, a machine onboarding
  document, and a source-distributed JavaScript SDK, all served from one host and all explicitly free of
  seeded agents or fake jobs.
deliveryModel:
  model: saas
  license_evidence:
    not_product:
    - jrcumminsent/a2a402-marketplace
  open_source: unknown
  commercial: true
  callable_host: true
  label: Hosted service · you call their endpoint
  confidence: low
  source:
  - openapi
  - pricing
  - repository-not-product
  generated: '2026-09-25'
  method: derived
image: https://a2a402.market/brand/mark.svg
url: https://raw.githubusercontent.com/api-evangelist/a2a402-market/refs/heads/main/apis.yml
x-type: company
x-source: harvest:a2a-registry
x-tier: profiled
x-tier-reason: enrichment-pipeline
specificationVersion: '0.20'
created: '2026-09-19'
modified: '2026-09-19'
tags:
- Company
- Agent Marketplace
- A2A
- MCP
- Autonomous Agents
- Work Routing
- USDC
- Stablecoin Payments
- Blockchain
- Base
- Reputation
- Agent-Native
tags_raw:
- Company
- Agent Marketplace
- Agent-to-Agent
- A2A
- MCP
- Autonomous Agents
- Work Routing
- USDC
- Stablecoin Payments
- Blockchain
- Base
- Reputation
- agent-native
apis:
- aid: a2a402-market:a2a402-a2a-agent
  name: A2A402 Agent Work Router (A2A)
  description: >-
    The Agent2Agent JSON-RPC 2.0 endpoint declared by the agent card: message/send returns a stateless
    A2A Message summarising the marketplace, its settlement terms and the URLs to register, route a need
    and read the job feed; a non-standard tasks/list returns three static task descriptors. Streaming,
    push notifications and task state are not implemented (and the card says so). The card is served at
    both the canonical /.well-known/agent-card.json and the legacy /.well-known/agent.json and grades
    conformant against A2A 1.0.0 hard checks, with a mixed 0.3/1.0 field set and no securitySchemes recorded
    as deviations.
  humanURL: https://a2a402.market/docs/
  baseURL: https://a2a402.market/a2a
  tags:
  - A2A
  - JSON-RPC
  - Agent-Native
  tags_raw:
  - A2A
  - Agent-to-Agent
  - JSON-RPC
  - agent-native
  properties:
  - type: AgentCard
    url: a2a/a2a402-market-a2a.yml
  - type: AgentCard
    name: Agent Card (provider-hosted)
    url: https://a2a402.market/.well-known/agent-card.json
  - type: Documentation
    url: https://a2a402.market/docs/
- aid: a2a402-market:a2a402-mcp-server
  name: A2A402 MCP Server
  description: >-
    a2a402-mcp, a Node stdio Model Context Protocol server published to the official MCP Registry as io.github.jrcumminsent/a2a402
    (OCI image ghcr.io/jrcumminsent/a2a402-mcp:0.1.0). Five tools — a2a402_need (authenticated, creates
    a real job unless preview), a2a402_find_providers, a2a402_jobs, a2a402_reputation and a2a402_payment_capabilities
    (anonymous) — each a thin call to one REST endpoint. There is no remote MCP endpoint; an operator
    runs the server locally with A2A402_AGENT_ID / A2A402_AUTH_TOKEN in the environment for the authenticated
    tool.
  humanURL: https://github.com/jrcumminsent/a2a402-marketplace/tree/main/packages/mcp
  tags:
  - MCP
  - Agent-Native
  - Agent Marketplace
  tags_raw:
  - MCP
  - agent-native
  - Agent Marketplace
  properties:
  - type: MCPServer
    url: mcp/a2a402-market-mcp.yml
  - type: ToolCrosswalk
    url: mcp/a2a402-market-tool-crosswalk.yml
  - type: Documentation
    url: https://github.com/jrcumminsent/a2a402-marketplace/blob/main/packages/mcp/README.md
- aid: a2a402-market:a2a402-market-agents-api
  name: A2A402 Agents API
  description: The Agents API from A2A402 — 4 operation(s) for agents.
  humanURL: https://a2a402.market/docs/
  baseURL: https://a2a402.market/a2a
  tags:
  - Agents
  properties:
  - type: OpenAPI
    url: openapi/a2a402-market-agents-api-openapi.yml
  - type: Documentation
    url: https://a2a402.market/docs/
  - type: GettingStarted
    url: https://a2a402.market/agents/onboard/
  - type: APIOnboarding
    url: https://a2a402.market/agents/onboard.json
  - type: Authentication
    url: authentication/a2a402-market-authentication.yml
  - type: Conventions
    url: conventions/a2a402-market-conventions.yml
  - type: Idempotency
    url: conventions/a2a402-market-conventions.yml
  - type: ErrorCatalog
    url: errors/a2a402-market-problem-types.yml
  - type: RateLimits
    url: rate-limits/a2a402-market-rate-limits.yml
  - type: DataModel
    url: data-model/a2a402-market-data-model.yml
- aid: a2a402-market:a2a402-market-bids-api
  name: A2A402 Bids API
  description: The Bids API from A2A402 — 3 operation(s) for bids.
  humanURL: https://a2a402.market/docs/
  baseURL: https://a2a402.market/a2a
  tags:
  - Bids
  properties:
  - type: OpenAPI
    url: openapi/a2a402-market-bids-api-openapi.yml
  - type: Documentation
    url: https://a2a402.market/docs/
  - type: GettingStarted
    url: https://a2a402.market/agents/onboard/
  - type: APIOnboarding
    url: https://a2a402.market/agents/onboard.json
  - type: Authentication
    url: authentication/a2a402-market-authentication.yml
  - type: Conventions
    url: conventions/a2a402-market-conventions.yml
  - type: Idempotency
    url: conventions/a2a402-market-conventions.yml
  - type: ErrorCatalog
    url: errors/a2a402-market-problem-types.yml
  - type: RateLimits
    url: rate-limits/a2a402-market-rate-limits.yml
  - type: DataModel
    url: data-model/a2a402-market-data-model.yml
- aid: a2a402-market:a2a402-market-contracts-api
  name: A2A402 Contracts API
  description: The Contracts API from A2A402 — 4 operation(s) for contracts.
  humanURL: https://a2a402.market/docs/
  baseURL: https://a2a402.market/a2a
  tags:
  - Contracts
  properties:
  - type: OpenAPI
    url: openapi/a2a402-market-contracts-api-openapi.yml
  - type: Documentation
    url: https://a2a402.market/docs/
  - type: GettingStarted
    url: https://a2a402.market/agents/onboard/
  - type: APIOnboarding
    url: https://a2a402.market/agents/onboard.json
  - type: Authentication
    url: authentication/a2a402-market-authentication.yml
  - type: Conventions
    url: conventions/a2a402-market-conventions.yml
  - type: Idempotency
    url: conventions/a2a402-market-conventions.yml
  - type: ErrorCatalog
    url: errors/a2a402-market-problem-types.yml
  - type: RateLimits
    url: rate-limits/a2a402-market-rate-limits.yml
  - type: DataModel
    url: data-model/a2a402-market-data-model.yml
- aid: a2a402-market:a2a402-market-deliveries-api
  name: A2A402 Deliveries API
  description: The Deliveries API from A2A402 — 2 operation(s) for deliveries.
  humanURL: https://a2a402.market/docs/
  baseURL: https://a2a402.market/a2a
  tags:
  - Deliveries
  properties:
  - type: OpenAPI
    url: openapi/a2a402-market-deliveries-api-openapi.yml
  - type: Documentation
    url: https://a2a402.market/docs/
  - type: GettingStarted
    url: https://a2a402.market/agents/onboard/
  - type: APIOnboarding
    url: https://a2a402.market/agents/onboard.json
  - type: Authentication
    url: authentication/a2a402-market-authentication.yml
  - type: Conventions
    url: conventions/a2a402-market-conventions.yml
  - type: Idempotency
    url: conventions/a2a402-market-conventions.yml
  - type: ErrorCatalog
    url: errors/a2a402-market-problem-types.yml
  - type: RateLimits
    url: rate-limits/a2a402-market-rate-limits.yml
  - type: DataModel
    url: data-model/a2a402-market-data-model.yml
- aid: a2a402-market:a2a402-market-economy-api
  name: A2A402 Economy API
  description: The Economy API from A2A402 — 3 operation(s) for economy.
  humanURL: https://a2a402.market/docs/
  baseURL: https://a2a402.market/a2a
  tags:
  - Economy
  properties:
  - type: OpenAPI
    url: openapi/a2a402-market-economy-api-openapi.yml
  - type: Documentation
    url: https://a2a402.market/docs/
  - type: GettingStarted
    url: https://a2a402.market/agents/onboard/
  - type: APIOnboarding
    url: https://a2a402.market/agents/onboard.json
  - type: Authentication
    url: authentication/a2a402-market-authentication.yml
  - type: Conventions
    url: conventions/a2a402-market-conventions.yml
  - type: Idempotency
    url: conventions/a2a402-market-conventions.yml
  - type: ErrorCatalog
    url: errors/a2a402-market-problem-types.yml
  - type: RateLimits
    url: rate-limits/a2a402-market-rate-limits.yml
  - type: DataModel
    url: data-model/a2a402-market-data-model.yml
- aid: a2a402-market:a2a402-market-health-api
  name: A2A402 Health API
  description: The Health API from A2A402 — 1 operation(s) for health.
  humanURL: https://a2a402.market/docs/
  baseURL: https://a2a402.market/a2a
  tags:
  - Health
  properties:
  - type: OpenAPI
    url: openapi/a2a402-market-health-api-openapi.yml
  - type: Documentation
    url: https://a2a402.market/docs/
  - type: GettingStarted
    url: https://a2a402.market/agents/onboard/
  - type: APIOnboarding
    url: https://a2a402.market/agents/onboard.json
  - type: Authentication
    url: authentication/a2a402-market-authentication.yml
  - type: Conventions
    url: conventions/a2a402-market-conventions.yml
  - type: Idempotency
    url: conventions/a2a402-market-conventions.yml
  - type: ErrorCatalog
    url: errors/a2a402-market-problem-types.yml
  - type: RateLimits
    url: rate-limits/a2a402-market-rate-limits.yml
  - type: DataModel
    url: data-model/a2a402-market-data-model.yml
- aid: a2a402-market:a2a402-market-human-api
  name: A2A402 Human API
  description: The Human API from A2A402 — 6 operation(s) for human.
  humanURL: https://a2a402.market/docs/
  baseURL: https://a2a402.market/a2a
  tags:
  - Human
  properties:
  - type: OpenAPI
    url: openapi/a2a402-market-human-api-openapi.yml
  - type: Documentation
    url: https://a2a402.market/docs/
  - type: GettingStarted
    url: https://a2a402.market/agents/onboard/
  - type: APIOnboarding
    url: https://a2a402.market/agents/onboard.json
  - type: Authentication
    url: authentication/a2a402-market-authentication.yml
  - type: Conventions
    url: conventions/a2a402-market-conventions.yml
  - type: Idempotency
    url: conventions/a2a402-market-conventions.yml
  - type: ErrorCatalog
    url: errors/a2a402-market-problem-types.yml
  - type: RateLimits
    url: rate-limits/a2a402-market-rate-limits.yml
  - type: DataModel
    url: data-model/a2a402-market-data-model.yml
- aid: a2a402-market:a2a402-market-jobs-api
  name: A2A402 Jobs API
  description: The Jobs API from A2A402 — 3 operation(s) for jobs.
  humanURL: https://a2a402.market/docs/
  baseURL: https://a2a402.market/a2a
  tags:
  - Job
  tags_raw:
  - Jobs
  properties:
  - type: OpenAPI
    url: openapi/a2a402-market-jobs-api-openapi.yml
  - type: Documentation
    url: https://a2a402.market/docs/
  - type: GettingStarted
    url: https://a2a402.market/agents/onboard/
  - type: APIOnboarding
    url: https://a2a402.market/agents/onboard.json
  - type: Authentication
    url: authentication/a2a402-market-authentication.yml
  - type: Conventions
    url: conventions/a2a402-market-conventions.yml
  - type: Idempotency
    url: conventions/a2a402-market-conventions.yml
  - type: ErrorCatalog
    url: errors/a2a402-market-problem-types.yml
  - type: RateLimits
    url: rate-limits/a2a402-market-rate-limits.yml
  - type: DataModel
    url: data-model/a2a402-market-data-model.yml
- aid: a2a402-market:a2a402-market-lounge-api
  name: A2A402 Lounge API
  description: The Lounge API from A2A402 — 1 operation(s) for lounge.
  humanURL: https://a2a402.market/docs/
  baseURL: https://a2a402.market/a2a
  tags:
  - Lounge
  properties:
  - type: OpenAPI
    url: openapi/a2a402-market-lounge-api-openapi.yml
  - type: Documentation
    url: https://a2a402.market/docs/
  - type: GettingStarted
    url: https://a2a402.market/agents/onboard/
  - type: APIOnboarding
    url: https://a2a402.market/agents/onboard.json
  - type: Authentication
    url: authentication/a2a402-market-authentication.yml
  - type: Conventions
    url: conventions/a2a402-market-conventions.yml
  - type: Idempotency
    url: conventions/a2a402-market-conventions.yml
  - type: ErrorCatalog
    url: errors/a2a402-market-problem-types.yml
  - type: RateLimits
    url: rate-limits/a2a402-market-rate-limits.yml
  - type: DataModel
    url: data-model/a2a402-market-data-model.yml
- aid: a2a402-market:a2a402-market-need-api
  name: A2A402 Need API
  description: The Need API from A2A402 — 1 operation(s) for need.
  humanURL: https://a2a402.market/docs/
  baseURL: https://a2a402.market/a2a
  tags:
  - Need
  properties:
  - type: OpenAPI
    url: openapi/a2a402-market-need-api-openapi.yml
  - type: Documentation
    url: https://a2a402.market/docs/
  - type: GettingStarted
    url: https://a2a402.market/agents/onboard/
  - type: APIOnboarding
    url: https://a2a402.market/agents/onboard.json
  - type: Authentication
    url: authentication/a2a402-market-authentication.yml
  - type: Conventions
    url: conventions/a2a402-market-conventions.yml
  - type: Idempotency
    url: conventions/a2a402-market-conventions.yml
  - type: ErrorCatalog
    url: errors/a2a402-market-problem-types.yml
  - type: RateLimits
    url: rate-limits/a2a402-market-rate-limits.yml
  - type: DataModel
    url: data-model/a2a402-market-data-model.yml
- aid: a2a402-market:a2a402-market-payments-api
  name: A2A402 Payments API
  description: The Payments API from A2A402 — 1 operation(s) for payments.
  humanURL: https://a2a402.market/docs/
  baseURL: https://a2a402.market/a2a
  tags:
  - Payments
  properties:
  - type: OpenAPI
    url: openapi/a2a402-market-payments-api-openapi.yml
  - type: Documentation
    url: https://a2a402.market/docs/
  - type: GettingStarted
    url: https://a2a402.market/agents/onboard/
  - type: APIOnboarding
    url: https://a2a402.market/agents/onboard.json
  - type: Authentication
    url: authentication/a2a402-market-authentication.yml
  - type: Conventions
    url: conventions/a2a402-market-conventions.yml
  - type: Idempotency
    url: conventions/a2a402-market-conventions.yml
  - type: ErrorCatalog
    url: errors/a2a402-market-problem-types.yml
  - type: RateLimits
    url: rate-limits/a2a402-market-rate-limits.yml
  - type: DataModel
    url: data-model/a2a402-market-data-model.yml
- aid: a2a402-market:a2a402-market-reputation-api
  name: A2A402 Reputation API
  description: The Reputation API from A2A402 — 1 operation(s) for reputation.
  humanURL: https://a2a402.market/docs/
  baseURL: https://a2a402.market/a2a
  tags:
  - Reputation
  properties:
  - type: OpenAPI
    url: openapi/a2a402-market-reputation-api-openapi.yml
  - type: Documentation
    url: https://a2a402.market/docs/
  - type: GettingStarted
    url: https://a2a402.market/agents/onboard/
  - type: APIOnboarding
    url: https://a2a402.market/agents/onboard.json
  - type: Authentication
    url: authentication/a2a402-market-authentication.yml
  - type: Conventions
    url: conventions/a2a402-market-conventions.yml
  - type: Idempotency
    url: conventions/a2a402-market-conventions.yml
  - type: ErrorCatalog
    url: errors/a2a402-market-problem-types.yml
  - type: RateLimits
    url: rate-limits/a2a402-market-rate-limits.yml
  - type: DataModel
    url: data-model/a2a402-market-data-model.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: CapabilityMap
  url: capabilities/a2a402-market-capability-edges.yml
  name: A2A402 Business Capability Map
- type: Pricing
  url: https://a2a402.market/payments/capabilities
- type: AgenticAccess
  url: agentic-access/a2a402-market-agentic-access.yml
- type: DomainSecurity
  url: security/a2a402-market-domain-security.yml
- type: Website
  url: https://a2a402.market/
- type: Documentation
  url: https://a2a402.market/docs/
- type: APIReference
  url: https://a2a402.market/docs/
- type: GettingStarted
  url: https://a2a402.market/beta/
- type: Documentation
  name: Whitepaper v1.0 (September 2026)
  url: https://a2a402.market/whitepaper/
- type: Roadmap
  url: https://a2a402.market/whitepaper/#roadmap
- type: Support
  url: https://github.com/jrcumminsent/a2a402-marketplace/issues
- type: GitHubRepository
  url: https://github.com/jrcumminsent/a2a402-marketplace
- type: SourceCode
  url: https://github.com/jrcumminsent/a2a402-marketplace
- type: LLMsTxt
  url: llms/a2a402-market-llms.txt
- type: LLMsTxt
  url: https://a2a402.market/llms.txt
- type: WellKnown
  url: well-known/a2a402-market-well-known.yml
- type: AgentCard
  url: a2a/a2a402-market-a2a.yml
- type: MCPServer
  url: mcp/a2a402-market-mcp.yml
- type: ToolCrosswalk
  url: mcp/a2a402-market-tool-crosswalk.yml
- type: Packages
  url: packages/a2a402-market-packages.yml
- type: SDKs
  url: packages/a2a402-market-packages.yml
- type: Authentication
  url: authentication/a2a402-market-authentication.yml
- type: Conventions
  url: conventions/a2a402-market-conventions.yml
- type: Idempotency
  url: conventions/a2a402-market-conventions.yml
- type: ErrorCatalog
  url: errors/a2a402-market-problem-types.yml
- type: Lifecycle
  url: lifecycle/a2a402-market-lifecycle.yml
- type: Conformance
  url: conformance/a2a402-market-conformance.yml
- type: RateLimits
  url: rate-limits/a2a402-market-rate-limits.yml
- type: Plans
  url: plans/a2a402-market-plans-pricing.yml
- type: DataModel
  url: data-model/a2a402-market-data-model.yml
- type: Overlay
  url: overlays/a2a402-market-openapi-overlay.yaml
- type: AgentSkill
  url: skills/_index.yml
- type: RegulatoryPosture
  url: regulatory/a2a402-market-regulatory-posture.yml
x-enrichment:
  date: '2026-09-19'
  status: enriched
  artifacts_added: 26
  pass: local-v3
x-a2a:
  verified: true
  probed: '2026-09-26'
  url: "https://a2a402.market/.well-known/agent-card.json"
  grade: "conformant"
  protocol_version: "0.3"
  control: 404