toolsmith-api.dassad10.workers.dev
Keyless pay-per-call APIs for AI agents. 30 tools across compliance, trade, safety, web and data. Pay with USDC on Base via x402: call any tool, receive HTTP 402 with payment.
- This looks like gas price data, which is available free from the chain's own base fee, a free read. A paid call buys packaging or convenience, not exclusive data, so confirm you need it before paying.
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 FX rate (EUR/USD): returned 1.1593, off by +0 bps against ECB reference rate · $0.002/call · tx
- accurate Gas price (Base): returned 0.006, off by +0.001 gwei against Base chain latest block · $0.002/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?
2 of 2 endpoints we paid returned everything their own published schema promised.
- delivered returned all 3 promised fields
/t/fx/rates· 1,861ms · 3 bonus field(s)Real response shape
{ "base": "string", "date": "string", "rates": { "EUR": "number", "GBP": "number", "JPY": "number" } }Types only, verified from a real paid call. Values discarded.
- delivered returned all 4 promised fields
/t/crypto/gas· 2,270ms · 1 bonus field(s)Real response shape
{ "chain": "string", "gasPriceWei": "string", "gasPriceGwei": "string", "blockNumber": "string", "asOf": "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
5 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_0399416f412f28a1toolsmith-api.dassad10.workers.dev
Promised 4 fields for $0.002, paid, and returned all 4.
Evidence and how to verify it yourself
The real response shape, types only, values discarded:
{
"asOf": "string",
"blockNumber": "string",
"chain": "string",
"gasPriceGwei": "string",
"gasPriceWei": "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_0399416f412f28a1wab_4b2abfdeda372e3dtoolsmith-api.dassad10.workers.dev
Asked for EUR/USD rate; returned 1.1593, within ±50 bps of 1.1593 from ECB reference rate.
Evidence and how to verify it yourself
Graded against a source that cannot be a reseller: ECB reference rate. Returned 1.1593 versus a truth of 1.1593.
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_4b2abfdeda372e3dwab_880ca9646308af22toolsmith-api.dassad10.workers.dev
Asked for Base gas base fee (gwei); returned 0.006, 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 0.006 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_880ca9646308af22wab_a36795973593f2e3toolsmith-api.dassad10.workers.dev
Promised 4 fields for $0.01, paid, and returned all 4.
Evidence and how to verify it yourself
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_a36795973593f2e3The full record and the format are at /receipts.
What it sells
2 endpoints listed, priced $0.0020 to $0.0020, settling on Base.
$0.0020Current gas price and latest block for Base or Ethereum mainnet, straight from public RPC. Fresh within 15 seconds. JS$0.0020Foreign exchange reference rates from the European Central Bank. Base currency plus optional symbols filter. Updated d
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.