Marketplace · API · x402

api.onesource.io/standard/v1/branches/doi

The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Days of Issuance: how the current license price compares to the pace of new-Branch issuance.

Endpointhttps://api.onesource.io/standard/v1/branches/doi
Trust✓ Verified callable · 100% uptime over 1 checks · ~640 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea
methodGET
last updated2026-11-12T18:43:57.968Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.onesource.io/standard/v1/branches/doi
# 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/x402-919cc8d58968b4b3

Search the whole marketplace from your agent (MCP)

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