GET
$0.0011 default
/v1/pingDescription
Payment integration check for 0.001 USDC; no external data lookup. Returns time, rail, network mode and free/paid capabilities. HTTP payment options can include Base, Polygon, Arbitrum and XDC; the challenge lists currently available networks for each transport. The receipt identifies the paid network and transaction. Business/professional use only. Terms: https://402rates.com/data-terms/
Pricing
$0.0011 default
Parameters
{
"additionalProperties": false,
"properties": {},
"type": "object"
}Example response
{
"mode": "mainnet",
"next": {
"free": [
{
"capability": "compass.rwa.market_coverage",
"note": "Market-data coverage and serving availability",
"url": "https://api.402rates.com/v1/rwa/market-coverage"
},
{
"capability": "compass.tests.payment_terms_compare",
"method": "POST",
"note": "Compare previous and current x402 payment terms",
"url": "https://api.402rates.com/v1/tests/payment-terms/compare"
},
{
"capability": "compass.settlement.estimate",
"method": "POST",
"note": "Calculate workload costs from supplied payment profiles",
"url": "https://api.402rates.com/v1/settlement/estimate"
},
{
"capability": "compass.rwa.updates",
"method": "POST",
"note": "Read observed Treasury changes since a saved cursor",
"url": "https://api.402rates.com/v1/rwa/updates"
},
{
"capability": "compass.rwa.benchmark",
"method": "POST",
"note": "Compare a supplied USD Treasury return with a matching benchmark",
"url": "https://api.402rates.com/v1/rwa/benchmark"
},
{
"capability": "compass.tests.preflight",
"method": "POST",
"note": "Inspect x402 payment terms without making a payment",
"url": "https://api.402rates.com/v1/tests/preflight"
},
{
"capability": "compass.rwa.changes",
"method": "POST",
"note": "Compare yield and divergence fields in two saved Treasury responses",
"url": "https://api.402rates.com/v1/rwa/changes"
},
{
"capability": "compass.tests.cases",
"note": "List the synthetic agent test cases",
"url": "https://api.402rates.com/v1/tests/cases"
},
{
"capability": "compass.tests.case",
"note": "Describe a synthetic agent test",
"url": "https://api.402rates.com/v1/tests/case"
},
{
"capability": "compass.tests.run",
"method": "POST",
"note": "Start or repeat a synthetic agent test",
"url": "https://api.402rates.com/v1/tests/run"
},
{
"capability": "compass.tests.action",
"method": "POST",
"note": "Execute a synthetic test action",
"url": "https://api.402rates.com/v1/tests/action"
},
{
"capability": "compass.tests.state",
"method": "POST",
"note": "Read synthetic task state",
"url": "https://api.402rates.com/v1/tests/state"
},
{
"capability": "compass.tests.report",
"method": "POST",
"note": "Read or finalize an agent test timeline",
"url": "https://api.402rates.com/v1/tests/report"
},
{
"capability": "compass.rwa.coverage",
"note": "What the RWA yield data covers, and what it does not",
"url": "https://api.402rates.com/v1/rwa/coverage"
},
{
"capability": "compass.rwa.filter",
"note": "Published instrument constraints compared with supplied facts",
"url": "https://api.402rates.com/v1/rwa/filter"
},
{
"capability": "compass.rwa.instrument",
"note": "Full evidence-backed state for one tokenized treasury",
"url": "https://api.402rates.com/v1/rwa/instrument"
},
{
"capability": "compass.rwa.history",
"note": "Normalized history for one reconstructible RWA source",
"url": "https://api.402rates.com/v1/rwa/history"
},
{
"capability": "compass.discovery",
"note": "Search the x402 catalogue with usage figures",
"url": "https://api.402rates.com/v1/discovery"
},
{
"capability": "compass.manifest",
"note": "Service manifest",
"url": "https://api.402rates.com/v1/manifest"
},
{
"capability": "compass.health",
"note": "Liveness probe",
"url": "https://api.402rates.com/health"
},
{
"capability": "compass.ready",
"note": "Readiness probe",
"url": "https://api.402rates.com/ready"
}
],
"mcp": "https://api.402rates.com/mcp",
"paid": [
{
"capability": "compass.settlement.costs",
"note": "Measured cost of a USDC transfer per chain, cheapest first",
"price_usdc": "0.01",
"url": "https://api.402rates.com/v1/settlement/costs"
},
{
"capability": "compass.rwa.yields",
"note": "Realised 30-day yields of tokenized treasuries, recomputable",
"price_usdc": "0.03",
"url": "https://api.402rates.com/v1/rwa/yields"
},
{
"capability": "compass.rwa.instruments.all",
"note": "Complete evidence snapshot for all tracked tokenized treasuries",
"price_usdc": "5",
"url": "https://api.402rates.com/v1/rwa/instruments"
},
{
"capability": "compass.ping",
"note": "Payment integration check",
"price_usdc": "0.001",
"url": "https://api.402rates.com/v1/ping"
}
]
},
"pong": true,
"rail": "cdp-v2",
"time": "2026-07-10T12:00:00Z"
}