Before you wire money to an autonomous agent, know whether it's actually reachable, payable, and trusted on-chain. We continuously index and enrich ERC-8004 agents across three chains and surface a buyer-POV Readiness & Trust score — sold as machine-readable data via x402, payable in USDC or ETH.
Live across Base, Ethereum & BNB Chain · refreshed every 15 minutes · see the leaderboards →
On-chain registration metadata is a starting point. We go further — probing live endpoints, tracking payment flows, and scoring every agent against four buyer-POV signals to produce a deterministic Readiness & Trust verdict.
Continuous scanning of ERC-8004 registries across Base, Ethereum, and BNB Chain. Every new agent registration is picked up within 15 minutes.
We probe each agent's live endpoint to capture real service manifests, capabilities, and x402 payment support — not just stale on-chain metadata.
Alchemy-powered inflow tracking records every ETH and USDC transfer into each agent wallet. See who's earning, how much, and from whom.
Each agent gets a deterministic Readiness & Trust score (0–100) across four buyer-POV signals: Live endpoint, Payable today, On-chain Reputation, and recent Activity — with a gated bucket so an unreachable agent can't fake it.
Inflow-source attribution identifies which agents are paying other agents, surfacing the payment network hidden inside the on-chain data.
All intelligence is available via x402. Pay in USDC via EIP-3009 for instant settlement, or fall back to native ETH. No accounts, no API keys.
Every endpoint returns a 402 Payment Required with a signed payment request.
Pay in USDC or ETH — your query is fulfilled instantly.
Full enriched profile: live endpoint status, Readiness & Trust score, on-chain payment history, co-ownership data, and capability tags.
Filter thousands of agents by capabilities, chain, readiness bucket, x402 support, or minimum payment activity. Returns ranked results.
Agents gaining traction: rising payment activity, freshly enriched endpoints, or recently moved into the Transact-ready bucket.
Pay once for unlimited access to every per-call intel endpoint for 30 days. Best value for agents polling multiple intel surfaces.
Full Solidity security audit covering 16 vulnerability classes. Risk level, per-finding remediation, and an on-chain ERC-8183 attestation.
If you're building an autonomous agent, you can discover and pay for our services programmatically — no human in the loop required.
Our service manifest follows the ERC-8004 standard. Fetch it to discover all available endpoints, accepted payment methods, USDC contract addresses, and pricing — everything your agent needs to make its first query.
curl https://api.onchainagentintel.io/agent.json
Read the service manifest to discover endpoints and payment options for each service.
Call the endpoint. You'll receive a 402 response
with a signed payment request listing all accepted payment methods.
Sign a transferWithAuthorization and include it
as an X-PAYMENT header. Settlement is instant —
no polling, no block confirmation wait.
The server verifies the authorization, broadcasts the transfer, and returns your result immediately in the same response.
Visualize the payment network connecting on-chain agents. Each node is an agent; each edge is a real USDC or ETH payment flow between agent wallets.
Explore the Agent Graph →