Rubric Protocol

live Free/req Infrastructure low confidence bazaar

x402 service discovered via CDP Bazaar with 15 endpoint(s).

Bazaar Verification

This service is verified on Coinbase Bazaar — its x402 endpoints are registered and discoverable.

Networksbase, solana, algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=
Endpoints15
Last Seen2026-10-23T06:39:16.34Z

Endpoints (15)

GET https://rubric-protocol.com/v1/x402/hedera-facts/exchange-rateFree
GET https://rubric-protocol.com/v1/x402/hedera-facts/supplyFree
GET https://rubric-protocol.com/v1/x402/agent-record/rubric-assertFree
GET https://rubric-protocol.com/v1/x402/hedera-facts/gas-feesFree
GET https://rubric-protocol.com/v1/x402/hedera-facts/topic-stateFree
GET https://rubric-protocol.com/v1/x402/hedera-facts/usdc-supplyFree
GET https://rubric-protocol.com/v1/x402/hedera-facts/anchor-costFree
GET https://rubric-protocol.com/v1/x402/hedera-facts/treasury-balanceFree
GET https://rubric-protocol.com/v1/x402/attested-screeningFree
GET https://rubric-protocol.com/v1/x402/attested-verificationFree
GET https://rubric-protocol.com/v1/x402/attested-work-recordFree
GET https://rubric-protocol.com/v1/x402/verify-auditFree
GET https://rubric-protocol.com/v1/x402/hedera-facts/throughputFree
GET https://rubric-protocol.com/v1/x402/attested-inferenceFree
GET https://rubric-protocol.com/v1/x402/hedera-facts/nodesFree

How to Call This Service

Direct x402 Request

curl -X POST https://rubric-protocol.com/v1/x402/hedera-facts/exchange-rate \
  -H "Content-Type: application/json" \
  -H "X-Payment: <base64-eip712-signed-usdc-authorization>" \
  -d '{"prompt": "your query here"}'

Via Signal402 MCP

signal402_call service="Rubric Protocol" payload='{"prompt": "your query"}'

Details

URLhttps://rubric-protocol.com/v1/x402/hedera-facts/exchange-rate
CategoryInfrastructure
Statuslive
PriceFree per request
Confidencelow confidence
Sourcehttps://api.cdp.coinbase.com/platform/v2/x402/discovery/resources
Last Verified2026-10-23T06:39:16.34Z

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