x402-data-api.sigrunner.workers.dev
Grades
No purchase-based grade yet. Everything below was measured, by paying this seller or by sweeping the chain, and none of it is editorial.
Accuracy against a primary source
- accurate Gas price (Base): returned 0.005, off by +0 gwei against Base chain latest block · $0.001/call · tx
- accurate Weather (New York): returned 77.0, off by +0.3 °F against Open-Meteo (New York) · $0.001/call · tx
Measured 2026-08-17 by paying this seller and comparing the number it returned with a source it cannot resell. A dated sample, not a live guarantee. Full corpus at /categories.
Verifiable receipts
3 paid calls to this host are recorded as tamper-evident receipts, all delivered or graded accurate. Each can be re-verified independently, from the archived bytes up.
wab_14d4f7d0ed41fed2x402-data-api.sigrunner.workers.dev
Asked for New York temperature; returned 77.0, within ±5 °F of 76.7 from Open-Meteo (New York).
Evidence and how to verify it yourself
Graded against a source that cannot be a reseller: Open-Meteo (New York). Returned 77.0 versus a truth of 76.7.
Three independent checks, none needing trust in this site: integrity recomputes the id as a hash of the evidence, so any edit shows; verdict re-derives the result offline; raw re-reads the untouched bytes archived at pay time and reproduces the shape.
python3 receipts.py --verify wab_14d4f7d0ed41fed2wab_5d204584fce0605bx402-data-api.sigrunner.workers.dev
Asked for USDC balance of 0xd8dA…6045 on Base; no value returned to grade.
Evidence and how to verify it yourself
Graded against a source that cannot be a reseller: Base chain balanceOf (latest block). Returned None versus a truth of 30.464119.
Three independent checks, none needing trust in this site: integrity recomputes the id as a hash of the evidence, so any edit shows; verdict re-derives the result offline; raw re-reads the untouched bytes archived at pay time and reproduces the shape.
python3 receipts.py --verify wab_5d204584fce0605bwab_e737523516168a6fx402-data-api.sigrunner.workers.dev
Asked for Base gas base fee (gwei); returned 0.005, within ±0.01 gwei of 0.005 from Base chain latest block.
Evidence and how to verify it yourself
Graded against a source that cannot be a reseller: Base chain latest block. Returned 0.005 versus a truth of 0.005.
Three independent checks, none needing trust in this site: integrity recomputes the id as a hash of the evidence, so any edit shows; verdict re-derives the result offline; raw re-reads the untouched bytes archived at pay time and reproduces the shape.
python3 receipts.py --verify wab_e737523516168a6fThe full record and the format are at /receipts.
Grades here come from paying this service and recording what happened, or from calling it where it is free. Settlement figures are swept daily from Base USDC Transfer logs. Nothing on this page is sponsored.