Rubric Protocol

live Free/req Infrastructure low confidence bazaar

x402 service discovered via CDP Bazaar with 17 endpoint(s).

Bazaar Verification

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

Networks	base, solana, algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=
Endpoints	17
Last Seen	2026-10-12T04:51:07.735Z

Endpoints (17)

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/throughputFree

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/allFree

GET https://rubric-protocol.com/v1/x402/hedera-facts/nodesFree

GET https://rubric-protocol.com/v1/x402/hedera-facts/anchor-costFree

GET https://rubric-protocol.com/v1/x402/attested-work-recordFree

GET https://rubric-protocol.com/v1/x402/hedera-facts/treasury-balanceFree

GET https://rubric-protocol.com/v1/x402/hedera-facts/latest-txFree

GET https://rubric-protocol.com/v1/x402/verify-auditFree

GET https://rubric-protocol.com/v1/x402/hedera-facts/usdc-supplyFree

GET https://rubric-protocol.com/v1/x402/attested-screeningFree

GET https://rubric-protocol.com/v1/x402/regwatch-feedFree

GET https://rubric-protocol.com/v1/x402/attested-verificationFree

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

URL	https://rubric-protocol.com/v1/x402/hedera-facts/exchange-rate
Category	Infrastructure
Status	live
Price	Free per request
Confidence	low confidence
Source	https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources
Last Verified	2026-10-12T04:51:07.735Z

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