x402 census · api.onesource.io · 5a33eda7b56c · JSON

GET /standard/v1/constants

unprobed

The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Chain-read protocol constants: base rate, epoch length, floors, and where each one was last read from.

Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.

Facts from the catalogs

Field Value

URL https://api.onesource.io/standard/v1/constants

Method GET

Price $0.005 USDC = 5000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea

Seller api.onesource.io

Catalogs cdp (row updated 2026-09-28)

Listed since (lower bound) 2026-09-28 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-28

CDP quality counters 33 calls and 33 unique payers in 30 days, last call 2026-09-28 (catalog-reported, not verified on chain)

Category (keyword rule) other/unknown

Templated path no

x402Version in catalog 2

Service name / tags none

Unpaid probe (census of )

Field

Value

Probe

not probed in this build

No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.

On-chain facts for the payTo (public address)

Field Value

Distinct payers 38

Payments 428

USDC volume $1.15

Median payment $0.001

First / last payment 2026-05-08 / 2026-09-30

Sampler-shaped share of payments 86.2%

Payers that are not samplers 3

Source forensics-2026-09-30

Address 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {},
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "chain_id": 4663,
   "constants": [
    {
     "basis": "measured",
     "key": "license_floor_price",
     "read_at": "2026-09-15T03:00:00Z",
     "read_block": 63512040,
     "source_contract": "0xa45ce49303eed5846f841bfd4bac6ae8c805ec05",
     "source_fn": "floorPrice",
     "value_num": "50000000000000000",
     "value_text": null
    }
   ],
   "network": "robinhood"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://api.onesource.io/standard/v1/constants' -H 'accept: application/json'

The catalog declares GET. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.

Paid checks (x402, USDC on Base)

GET https://bazaar.agentexchange.work/r/5a33eda7b56c/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"5a33eda7b56c"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.

Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on api.onesource.io.