Task

Latency

8 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

X Pay x402 REST usage

Payment quote with amount, asset, and merchant wallet

www.api-xpay.com Crypto & Payments 7,020 calls / 30d checked 2026-10-25

0.005 USDC per call per call

Oblique Markets x402 REST usage

Use when an agent needs base block number. Returns Fetch the current Base mainnet block number from redundant public RPCs and return structured JSON with source and freshness metadata. $0.002.

api.oblique.markets Other services 62 calls / 30d checked 2026-10-25

0.002 USDC per call per call

Phoenix Zero L2 Health Oracle x402 REST usage

Real-time L2 sequencer health across 12 chains (Base, Arbitrum, Optimism, zkSync, Blast, Linea, Mantle, Mode, Scroll, Taiko, Polygon zkEVM, Casper). Returns kernel-level P99/P95 RTT from eBPF probes, revert ratios (Base...

rtt.phoenix-ai.work Other services 9 calls / 30d checked 2026-10-25

0.01 USDC per call per call

Saylor Innovations Guide Library x402 REST usage

CUDA, driver and Ollama compatibility - GPU support, model memory fit and proof inference uses the GPU

saylorinnovations.com AI Models & Inference 7 calls / 30d checked 2026-10-25

0.01 USDC per call per call

base-rpc-health-map x402 REST usage

Which Base public RPCs serve a stale chain tip. Every 30s we ask all major public RPCs for eth_blockNumber in parallel and record how many blocks behind the fastest peer each was, plus latency and error rate. An RPC neve...

x402.dailyelo.com Geo & Maps 7 calls / 30d checked 2026-10-25

0.01 USDC per call per call

API/URL health check | Vextorium x402 REST usage

API/URL health check: up or down, HTTP status, latency, and whether the endpoint is a valid x402 paid endpoint.

api.vextorium.com Crypto & Payments 5 calls / 30d checked 2026-10-25

0.005 USDC per call per call

Forest Infra x402 REST usage

Detect material public DNS answer changes with a deterministic hash. TTL-only changes do not count and no arbitrary resolver or AXFR operation is exposed. Base mainnet USDC

http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run Crypto & Payments 15 calls / 30d checked 2026-10-25

0.001 USDC per call per call

Quartermaster HTTP Check x402 REST usage

Liveness/latency pre-flight for a URL: is it up, HTTP status and class, response latency in ms, whether it redirects (and where), content-type and server.

quartermaster.surewhynot.app Infrastructure 6 calls / 30d checked 2026-10-25

0.001 USDC per call per call

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