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Payments on Base + Solana

Payments on Base + Solana

Home › Sellers › phion.systems

phion.systems x402 API: grades and paid tests

phion.systems has 124 x402 endpoints in our catalog. Right now: 8 proceed, 116 caution. 8 passed a real paid test: we paid the listed price and got what the listing promised. Best grade: A.

Every endpoint on phion.systems

Best grades first. Open an endpoint for its full history: uptime, price and payout-wallet changes, and paid-test results with signed receipts.

EndpointGradeVerdictUptime (7 days)Response timePaid test passed
/v1/paid/trust/delegation-scope-guardC Caution100% 196 ms–
/v1/paid/trust/delivery-evidenceC Caution100% 196 ms–
/v1/paid/trust/dependency-provenance-assessmentC Caution100% 193 ms–
/v1/paid/trust/document-to-verified-jsonC Caution100% 206 ms–
/v1/paid/trust/domain-ownership-evidenceC Caution99% 207 ms–
/v1/paid/trust/duplicate-charge-detectorC Caution100% 206 ms–
/v1/paid/trust/durable-agent-taskC Caution100% 201 ms–
/v1/paid/trust/dynamic-service-pricingC Caution100% 208 ms–
/v1/paid/trust/economic-loop-detectorC Caution100% 193 ms–
/v1/paid/trust/entity-enrichment-evidenceC Caution100% 194 ms–
/v1/paid/trust/erc8004-identity-evidenceC Caution100% 202 ms–
/v1/paid/trust/erc8004-reputation-intelligenceC Caution100% 193 ms–
/v1/paid/trust/execution-cost-estimatorC Caution100% 191 ms–
/v1/paid/trust/human-approval-policyC Caution100% 199 ms–
/v1/paid/trust/idempotency-replay-guardC Caution100% 195 ms–
/v1/paid/trust/index-feedC Caution100% 194 ms–
/v1/paid/trust/inter-agent-policy-evaluatorC Caution100% 192 ms–
/v1/paid/trust/interrupted-task-recoveryC Caution100% 189 ms–
/v1/paid/trust/live-data-freshnessC Caution100% 188 ms–
/v1/paid/trust/manifest-version-diffC Caution100% 193 ms–
/v1/paid/trust/market-data-snapshotC Caution100% 184 ms–
/v1/paid/trust/market-demand-predictorC Caution100% 192 ms–
/v1/paid/trust/mcp-2026-compatibility-gatewayC Caution100% 190 ms–
/v1/paid/trust/mcp-a2a-task-bridgeC Caution100% 204 ms–
/v1/paid/trust/mcp-catalog-cache-guardC Caution100% 192 ms–
/v1/paid/trust/mcp-manifest-firewallC Caution100% 193 ms–
/v1/paid/trust/mcp-server-identity-evidenceC Caution100% 192 ms–
/v1/paid/trust/mcp-transaction-gatewayC Caution100% 204 ms–
/v1/paid/trust/memory-write-guardC Caution100% 201 ms–
/v1/paid/trust/multi-agent-escrowC Caution100% 196 ms–
/v1/paid/trust/multi-source-fact-bundleC Caution100% 196 ms–
/v1/paid/trust/oauth-issuer-binding-evidenceC Caution100% 198 ms–
/v1/paid/trust/oauth-token-audience-guardC Caution100% 194 ms–
/v1/paid/trust/onchain-evidenceC Caution100% 185 ms–
/v1/paid/trust/payment-delivery-atomicityC Caution100% 182 ms–
/v1/paid/trust/payment-optimizerC Caution100% 180 ms–
/v1/paid/trust/payment-receipt-reconcilerC Caution100% 184 ms–
/v1/paid/trust/payment-route-selectorC Caution100% 188 ms–
/v1/paid/trust/person-enrichment-evidenceC Caution100% 185 ms–
/v1/paid/trust/portable-observability-auditC Caution100% 183 ms–
/v1/paid/trust/price-discovery-engineC Caution100% 192 ms–
/v1/paid/trust/proof-of-serviceC Caution100% 192 ms–
/v1/paid/trust/provider-quality-predictorC Caution100% 196 ms–
/v1/paid/trust/purpose-bound-consentC Caution100% 182 ms–
/v1/paid/trust/quote-freshness-guardC Caution100% 189 ms–
/v1/paid/trust/redirect-callback-validatorC Caution100% 186 ms–
/v1/paid/trust/reputation-update-receiptC Caution100% 178 ms–
/v1/paid/trust/resource-cycle-guardC Caution100% 198 ms–
/v1/paid/trust/retention-deletion-receiptC Caution100% 191 ms–
/v1/paid/trust/secret-redaction-preflightC Caution100% 194 ms–

About phion.systems

Is phion.systems safe to pay?

8 of phion.systems's endpoints are rated Proceed: reliable in monitoring with a stable price and payout wallet, and the best ones delivered in a real paid test. Grades are per endpoint, so look up the one your agent is about to pay.

How are these grades made?

Lumière PayCheck checks every endpoint about every 30 minutes: does it answer with a valid x402 quote, is the price and payout wallet stable. Then we pay some of them for real and check the response against what the listing promised. Failures are re-tested before they count. How it works.

Can my agent check phion.systems before paying?

Yes, for free. Call check_payment (API or MCP) with the endpoint, amount and payTo from the 402 quote, and pay only if it returns allow. Check an endpoint now.

Do you run phion.systems? Prove your endpoints work: get tested, check your setup, or add endpoints we're missing. Every seller's results are public, here and in the full catalog.