441engine.com
441 Engine — Agent Services, Pay-per-call services for autonomous agents, operated by moteur441: x402 market data and verification APIs (USDC on Solana, settled directly to the services wallet), a voice and podcast studio (FR/EN, MP3 by email), and chess-engine testing
Public measurements
Paid intelligence
Measurement is free. These four are paid skills over REST, A2A and MCP, recomputed every 15 minutes.
Caller-domain breakdown
A2A peers calling 441engine.com, host mix, country, surface. Skill: agent_callers.
90-day inflow trend
Daily on-chain USDC series. Skill: flow_trends.
Competitor comparison
Agents with the same top skills: conformance, prices, 30-day growth, top providers. Skill: skill_market.
Wallet-level intel
Other agents settling to the same wallet as 441engine.com. Skill: wallet_intel.
From $9/mo with Pro · or pay per call. Pro includes $10 of monthly credit for these and the rest of the marketplace; Enterprise includes more. Per-call uses your prepaid balance.
See pricing