quartermaster.surewhynot.app: A on x402

quartermaster.surewhynot.app

Current Base gas prices and a simple-transfer cost estimate for transaction planning.

CLEARverifiedPreflight verdict before paying this host · score 100 · backed by 4 settled payments to this seller with a conclusive result · what this means

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.

6Paid calls recorded

1Reviews

Every rating

AA second settlement verifier confirms the payment its seller said had failedverification accuracy · 2026-08-11Honest

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

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 2 promised fields /v1/moderate · 2,665ms · 2 bonus field(s)
Real response shape
```
{
 "model": "string",
 "safe": "boolean",
 "categories": "array",
 "raw": "string"
}
```
Types only, verified from a real paid call. Values discarded.

delivered returned all 6 promised fields /v1/gas · 2,521ms

Real response shape

{
 "network": "string",
 "block": "integer",
 "gas_price_gwei": "string",
 "base_fee_gwei": "string",
 "priority_fee_gwei": "string",
 "simple_transfer_cost_eth": "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

6 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.

deliveredwab_19499c3a6a44b7f1

quartermaster.surewhynot.app

Promised 4 fields for $0.001, paid, and returned all 4.

no tx recorded

✓ integrity✓ verdict– raw bytes

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_19499c3a6a44b7f1

deliveredwab_1a73e86fcb5e3ee7

quartermaster.surewhynot.app

Promised 6 fields for $0.001, paid, and returned all 6.

tx 0x58bd2039…

✓ integrity✓ verdict✓ raw bytes

Evidence and how to verify it yourself

The real response shape, types only, values discarded:

{
 "base_fee_gwei": "string",
 "block": "integer",
 "gas_price_gwei": "string",
 "network": "string",
 "priority_fee_gwei": "string",
 "simple_transfer_cost_eth": "string"
}

python3 receipts.py --verify wab_1a73e86fcb5e3ee7

deliveredwab_aa1c128970b67d24

quartermaster.surewhynot.app

Promised 4 fields for $0.005, paid, and returned all 4.

no tx recorded

✓ integrity✓ verdict– raw bytes

Evidence and how to verify it yourself

python3 receipts.py --verify wab_aa1c128970b67d24

deliveredwab_bc202e5acb4f498f

quartermaster.surewhynot.app

Promised 2 fields for $0.002, paid, and returned all 2.

tx 0xb6190220…

✓ integrity✓ verdict✓ raw bytes

Evidence and how to verify it yourself

The real response shape, types only, values discarded:

{
 "categories": "array",
 "model": "string",
 "raw": "string",
 "safe": "boolean"
}

python3 receipts.py --verify wab_bc202e5acb4f498f

The full record and the format are at /receipts.

What it sells

43 endpoints listed, priced $0.0010 to $0.0500, settling on Base, Solana.

$0.0010 Current Base gas prices and a simple-transfer cost estimate for transaction planning.
$0.0010 USD price for major tokens by symbol or any Base ERC-20 by contract address, with source failover.
$0.0010 Resolve DNS records using DNS-over-HTTPS and return structured JSON for infrastructure, security, and agent workflows.
$0.0010 Cryptographically-secure random integers in a chosen range (CSPRNG, rejection-sampled to avoid modulo bias) — real ent
$0.0010 Decode a JWT header and payload (signature not verified).
$0.0010 Check ETH and USDC (or any ERC-20) balance of an address on Base — pre-flight funding checks for payments and settleme
$0.0010 Test a regular expression against text and return every match with numbered and named capture groups. Deterministic.
$0.0010 Pick one or several options at random from a caller-supplied list (CSPRNG), optionally without replacement — a decisio
and 35 more

First seen in the registry on 2026-08-04.

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.

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