Marketplace · API · x402

rubric-protocol.com/v1/x402/hedera-facts/topic-state

Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each response carries the ML-DSA-65 attestation ID of the served snapshot — tamper-evident reference data for agents that must prove what they knew when they acted.

Endpoint	`https://rubric-protocol.com/v1/x402/hedera-facts/topic-state`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~685 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0xaB6731A0BcDf511c2842C768a03448075aB654ca
method	GET
last updated	2026-10-27T14:16:04.978Z

Use it

Call it (an x402 client pays automatically)

curl -i https://rubric-protocol.com/v1/x402/hedera-facts/topic-state
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-885b271ccf9c36de

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}

rubric-protocol.com/v1/x402/hedera-facts/topic-state

Use it

Related