Parameters1
| Parameter | Type | Default | Example |
|---|---|---|---|
url | string | null | https://example-x402-service.com/endpoint |
Service overview
Crest · trust_oracle — Should an autonomous agent trust this x402 service before paying? Full-stack evaluation: endpoint reachability, x402 protocol compliance, pricing reasonableness, schema quality, governance signals, and Claude-powered deep behavioral assessment. Returns trust score 0-100 with grade (A-F), actionable recommendation (PROCEED/CAUTION/DO NOT TRANSACT), and detailed breakdown of each evaluation dimension.
Level up your agent by giving it access to thousands of services. All payable per-request via x402. No API keys, no accounts.
Paste into your agentic chat and let your agent guide you.
npx awal x402 pay "https://deploy.crestsystems.ai/check" \
--method POST \
--data '{
"url": "{url}"
}'{
"endpoint": "POST /check",
"paid": true,
"query": "example input",
"result": {
"value": "Structured response from the service."
}
}API surface
2 crawlable routes
| Parameter | Type | Default | Example |
|---|---|---|---|
url | string | null | https://example-x402-service.com/endpoint |
| Parameter | Type | Default | Example |
|---|---|---|---|
target | string | null | https://example-service.com |
type | string | null | service |
FAQ
Service
OATP · tx_explainer — Fetch a Solana transaction by signature and return a human-readable explanation: programs invoked, token balance changes, fee (SOL + USD), and a one-line summary.
Service
Exa /contents endpoint
Service
Decode and explain any EVM blockchain transaction across 11 chains (Base, Ethereum, Arbitrum, Optimism, Avalanche, Polygon, Mantle, Monad, Plasma, BSC, Hyperliquid). Get a human-readable summary of swaps, transfers, approvals, DeFi interactions, and more.