1 Defaultverifier defaultverifier.comBase LLM Inference 100 100% 532 ms $0.01 5 — — 2 Utilsforagents utilsforagents.comBase LLM Inference 100 100% 57 ms $0.003 6 $4.22 1,406 3 Mpp mpp.hyreagent.funBase LLM Inference 100 100% 34 ms — 12 $103.03 1,413 4 aviationapis aviationapis.comSolana LLM Inference 100 100% 31 ms $0.01 8 — — 5 DOI Regulatory Intelligence API api.dynsuplabs.comPolygon LLM Inference 98 100% 88 ms $0.001 1 — — 6 Clearence clearance.nauti-labs.comBase LLM Inference 98 98% 432 ms — 85 — — 7 Floyd floyd.lonestaroracle.xyzBase LLM Inference 98 100% 251 ms $0.5 1 $49.32 403 8 Agent-card-validator-mcp agent-card-validator-mcp.mtree.workers.devBase LLM Inference 97 100% 345 ms $0.03 – $0.05 2 $34.73 222 9 Memoryapi api.memoryapi.orgBase LLM Inference 97 100% 296 ms $0.001 1 $2.41 496 10 Superhighway api-production-17e1.up.railway.appBase LLM Inference 97 100% 48 ms $0.001 – $0.005 5 $0.34 217 11 Wellknown-audit-corpus wellknown-audit-corpus.mtree.workers.devBase LLM Inference 97 100% 477 ms $0.05 – $0.1 2 $34.73 222 12 Guard guard.x402tools.xyzBase LLM Inference 97 100% 388 ms $0.003 1 $100.49 298 13 Agent-payment-error-corpus agent-payment-error-corpus.mtree.workers.devBase LLM Inference 97 100% 467 ms $0.05 1 $34.73 222 14 Dellbot x402.dellbot.winBase LLM Inference 96 100% 462 ms $0.001 – $0.15 11 $8.72 127 15 X-router api.x-router.aiBase LLM Inference 96 100% 269 ms — 1 $0.46 128 16 Surplus Intelligence Verified — manually checked as a real x402 provider surplusintelligence.aiBase LLM Inference 95 97% 233 ms $0.00346 – $0.052 22 $416.09 1,631 17 Thetrustlayer api.thetrustlayer.xyzBase LLM Inference 95 100% 50 ms $0.001 – $0.01 11 $0.24 217 18 Omniac Q&A Verified — manually checked as a real x402 provider omniac.0000402.xyzBase LLM Inference 94 97% 631 ms $0.01 4 $508.61 137 19 Skim402 skim402.comBase LLM Inference 94 100% 197 ms $0.002 – $0.005 2 $10.16 207 20 Agentspec-one agentspec-one.vercel.appBase LLM Inference 93 100% 140 ms $0.02 – $0.05 4 $0.64 29 21 Scan scan.convrgent.aiBase LLM Inference 93 100% 147 ms $0.01 – $5 3 $26.55 42 22 GPT-5.5 Compact Chat x402 gpt55.558686.xyzBase LLM Inference 93 95% 656 ms $0.0001 – $0.066667 79 $0.18 85 23 agents.krumpybot.com agents.krumpybot.comBase LLM Inference 93 100% 77 ms $0.01 1 $0.20 41 24 Agent-evolution-engine agent-evolution-engine.onrender.comBase LLM Inference 93 100% 210 ms $0.2 1 $7.86 42 25 Agent-memory-api-bix5 agent-memory-api-bix5.onrender.comBase LLM Inference 93 100% 202 ms $0.05 1 $7.86 42