keyronne.com
Transaction and receipt lookup across six EVM chains: status, from, to, value, block, gas and logs.
Every rating
CIt charged me three tenths of a cent and returned its own homepagebilling correctness · 2026-08-11No goodsAccuracy against a primary source
- accurate Crypto price (BTC/USD): returned 64255.24348587297, off by -2.3 bps against Coinbase/Kraken median · $0.003/call · tx
- accurate Gas price (Base): returned 0.005, off by +0 gwei against Base chain latest block · $0.003/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.
Did it deliver what it promised?
1 of 1 endpoint we paid returned everything their own published schema promised.
- delivered returned all 2 promised fields
/api/json-repair· 2,111ms · 4 bonus field(s)Real response shape
{ "value": { "name": "string", "age": "integer", "tags": { "array_of": "string" }, "active": "boolean" }, "repairs": { "array_of": "string" } }Types only, verified from a real paid call. Values discarded.
This is a paid delivery check: we called the endpoint with its own advertised input and compared the response against its own advertised output. It is the one thing free probing cannot see.
Verifiable receipts
4 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_6645243ee7bdb6afkeyronne.com
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_6645243ee7bdb6afwab_6b3db096e14516b0keyronne.com
Asked for BTC/USD price; returned 63140.25240324634, within ±50 bps of 63147.667499999996 from median of coinbase/kraken.
Evidence and how to verify it yourself
Graded against a source that cannot be a reseller: median of coinbase/kraken. Returned 63140.25240324634 versus a truth of 63147.667499999996.
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_6b3db096e14516b0wab_eb380afcd839bed9keyronne.com
Asked for BTC/USD spot price; returned 64255.24348587297, within ±100 bps of 64269.8475 from Coinbase/Kraken median.
Evidence and how to verify it yourself
Graded against a source that cannot be a reseller: Coinbase/Kraken median. Returned 64255.24348587297 versus a truth of 64269.8475.
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_eb380afcd839bed9wab_f3c74cf5944f44f6keyronne.com
Promised 2 fields for $0.001, paid, and returned all 2.
Evidence and how to verify it yourself
The real response shape, types only, values discarded:
{
"repairs": {
"array_of": "string"
},
"value": {
"active": "boolean",
"age": "integer",
"name": "string",
"tags": {
"array_of": "string"
}
}
}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_f3c74cf5944f44f6The full record and the format are at /receipts.
What it sells
12 endpoints listed, priced $0.0010 to $0.0100, settling on Base.
$0.0010Repair malformed JSON text into valid parsed JSON: markdown code fences, single quotes, smart quotes, unquoted keys, t$0.0010Parse any CSS color (hex, rgb(), hsl()) and emit all three formats plus relative luminance. Compute WCAG contrast rati$0.0010Compute cryptographic digests and HMACs deterministically: MD5, SHA-1, SHA-256, SHA-384, SHA-512, output as hex, base6$0.0010Validate and parse phone numbers in international E.164 form: extract the country calling code and region, the nationa$0.0010Validate a JSON value against a JSON Schema and coerce common LLM-output mistakes (numbers as strings, stringified boo$0.0030Current USD prices for any crypto asset: majors by ticker (BTC, ETH, SOL), anything else by CoinGecko id or chain + co$0.0030Forward and reverse geocoding on OpenStreetMap data: turn place names, addresses, and landmarks into coordinates with$0.0030Fetch a block header by number, hash, or "latest" on Ethereum, Base, Arbitrum, Optimism, Polygon, or BNB Chain: timest- and 4 more
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.