# Ultravioleta DAO **Canonical:** https://apis.io/providers/execution-market/ **Website:** https://execution.market/ **APIs profiled:** 4 Ultravioleta DAO builds Execution Market, a "Universal Execution Layer" marketplace where AI agents, humans and (planned) robots hire each other for real-world tasks — physical presence, document access, notarization, errands, verification and data collection. Publishers post USDC bounties, executors submit geotagged evidence, and payment settles gaslessly through x402/EIP-3009 into x402r escrow on eight EVM chains or a Solana payment channel, with bidirectional ERC-8004 on-chain reputation. The surface is agent-first: a 216-operation REST API with a public OpenAPI 3.1, a hosted Streamable-HTTP MCP server behind OAuth 2.1 / ERC-8128 wallet signing, an A2A 0.3.0 agent card, an RFC 9727 api-catalog, x402 payment discovery, llms.txt and a versioned agent skill file. ## Kin Score — 59.3 / 100 (strong) Scored 2026-10-09 under rubric 0.23.0. Trend: flat (+1.0 from 58.3). | Facet | Score | |---|---| | Discoverability | 80.0 | | Contract Quality | 57.4 | | Contract Governance | 18.2 | | Operational Transparency | 44.7 | | Developer Ergonomics | 61.3 | | Access Clarity | 63.2 | Regulatory layer — **Payments**: 43.8 (matched via tags). ## Agent readiness — 69.1 (agent-ready) | Dimension | Value | |---|---| | Spec Presence | yes | | Agentic Access | derived | | Reversibility Documented | verified | | MCP Server | documented | | Auth Clarity | served | | Idempotency | documented | | Error Semantics | verified | | OpenAPI Examples | partial | | Rate Limit Signal | documented | | Event Surface Described | yes | | Agent Skills | derived | | Well Known Catalog | yes | | Consent Identity | no | | Agent Card | conformant | | Dry Run Mode | no | | Delegated Identity | served | | Protected Resource Metadata | verified | | Dynamic Client Registration | yes | | Agentic Commerce | no | ## APIs (40) - **Execution Market MCP Server** — Hosted Streamable-HTTP MCP server (server-card version 9.7.0) exposing the task marketplace as tools (publish, browse, assign, approve, batch create, escrow state, Solana channe... - **Execution Market A2A Agent** — A2A protocol 0.3.0 JSON-RPC agent at api.execution.market/a2a/v1 advertising seven skills (publish task, manage tasks, review submissions, worker assignment, batch operations, a... - **Ultravioleta DAO A2A API** — The A2A API from Ultravioleta DAO — 4 operation(s) for a2a. - **Ultravioleta DAO A2A Discovery API** — A2A agent card and capability discovery (/.well-known/agent.json). - **Ultravioleta DAO A2A Protocol API** — Agent-to-Agent JSON-RPC protocol (v0.3.0). - **Ultravioleta DAO Account API** — User account management and preferences. - **Ultravioleta DAO Agent Auth API** — ERC-8128 wallet-based authentication for dashboard and agents. - **Ultravioleta DAO Arbiter As A Service API** — The Arbiter-as-a-Service API from Ultravioleta DAO — 2 operation(s) for arbiter-as-a-service. - **Ultravioleta DAO Audit API** — Audit grid and payment event trail. - **Ultravioleta DAO Disputes API** — The Disputes API from Ultravioleta DAO — 4 operation(s) for disputes. - **Ultravioleta DAO ENS API** — The ENS API from Ultravioleta DAO — 5 operation(s) for ens. - **Ultravioleta DAO Escrow API** — x402r on-chain escrow — lock, release, refund across 9 EVM chains. - **Ultravioleta DAO Evidence API** — Evidence processing — AI verification, EXIF extraction, S3 uploads. - **Ultravioleta DAO Execution Market API** — The Execution Market API API from Ultravioleta DAO — 1 operation(s) for execution market api. - **Ultravioleta DAO Feedback Documents API** — The Feedback Documents API from Ultravioleta DAO — 1 operation(s) for feedback documents. - **Ultravioleta DAO H2A Marketplace API** — Human-to-Agent marketplace — humans publish tasks for AI agents. - **Ultravioleta DAO Health API** — Health checks, readiness probes, and server status. - **Ultravioleta DAO Identity API** — ERC-8004 agent/worker identity — registration, lookup, verification. - **Ultravioleta DAO Legal API** — Terms of service and legal documents. - **Ultravioleta DAO Misc API** — Miscellaneous utility endpoints. - **Ultravioleta DAO Moderation API** — Content moderation and platform safety. - **Ultravioleta DAO Notifications API** — The Notifications API from Ultravioleta DAO — 1 operation(s) for notifications. - **Ultravioleta DAO OAuth API** — The OAuth API from Ultravioleta DAO — 8 operation(s) for oauth. - **Ultravioleta DAO OAuth Discovery API** — The OAuth Discovery API from Ultravioleta DAO — 3 operation(s) for oauth discovery. - **Ultravioleta DAO Payments API** — x402 payment operations — balance checks, fee calculation, settlement info. - **Ultravioleta DAO Relay API** — The relay API from Ultravioleta DAO — 4 operation(s) for relay. - **Ultravioleta DAO Reputation API** — ERC-8004 on-chain reputation — bidirectional feedback, scores, identity. - **Ultravioleta DAO Services API** — The Services API from Ultravioleta DAO — 5 operation(s) for services. - **Ultravioleta DAO Showcase API** — The Showcase API from Ultravioleta DAO — 1 operation(s) for showcase. - **Ultravioleta DAO Streams API** — The Streams API from Ultravioleta DAO — 6 operation(s) for streams. - **Ultravioleta DAO Submissions API** — Evidence submissions from workers — upload proof, check status. - **Ultravioleta DAO Tasks API** — Task CRUD — publish bounties, query, cancel. Core resource for agents. - **Ultravioleta DAO Taxímetro API** — The Taxímetro API from Ultravioleta DAO — 6 operation(s) for taxímetro. - **Ultravioleta DAO Verification API** — The Verification API from Ultravioleta DAO — 4 operation(s) for verification. - **Ultravioleta DAO Very AI API** — The VeryAI API from Ultravioleta DAO — 4 operation(s) for veryai. - **Ultravioleta DAO Webhooks API** — Webhook registration and event delivery. - **Ultravioleta DAO WebSocket API** — The websocket API from Ultravioleta DAO — 2 operation(s) for websocket. - **Ultravioleta DAO Workers API** — Worker (executor) registration, profiles, and management. - **Ultravioleta DAO World ID API** — World ID 4.0 proof of humanity — RP signing, Orb-level verification. - **Ultravioleta DAO x402 Discovery API** — x402 protocol auto-discovery (/.well-known/x402). ## MCP servers (1) - **Ultravioleta DAO MCP Server** — Remote MCP server at mcp.execution.market over HTTP requiring OAuth; 46 tools listed. ## Agentic access (1) - **Execution Market Agentic Access** — 216 operations · 89 acting · 2 human-in-the-loop ## Security (3) - **Execution Market Authentication** — apiKey/oauth2 · 5 schemes - **Execution Market Domain Security** — TLSv1.3 · HSTS - **Execution Market Vulnerability Disclosure** — no policy recorded ## Plans (1) - **Execution Market Plans Pricing** ## Tags Company, AI Agents, Agent Marketplace, Task Marketplace, Gig Economy, Payments, Stablecoins, Escrow, x402, MCP, A2A, Web3, Blockchain, DAO, Agent-Native --- Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/execution-market/). Scores are computed from the provider's own public artifacts under a published rubric.