x402 List

x402 Protocol Service Directory

Bounty Truth API

Verification PAYMENT-READY

payment-ready until 2026-09-20

Deterministic preflight risk checks for public GitHub bounty issues. Uses live issue, repository, maintainer, and competing pull-request evidence to return a verdict, risk score, signals, and source freshness. x402 v2, $0.001 USDC on Base, no account or API key.

Pay from $0.001 per request in USDC on Base, settled onchain via the x402 protocol, no signup, no API key needed.

measured since 2026-07-31 (start of our harvest window) · $0 all-time · last settled 2026-08-13

BASE URL https://happybirthday.digitalshop.xin WEBSITE https://happybirthday.digitalshop.xin/bounty-truth/guide.md ENDPOINTS 1 NETWORK Base ASSET USDC MEMBER SINCE 2026-07-30 MONITORED SINCE 2026-07-30

VERDICT

ranking generation 3

solid 83/100 #34 of 77 in Verification by measured score

What the score read on this service: status online, 99.8% uptime 30d, 3820ms response p95, x402 compliance 14 of 14, $0.001 price against the category, on-chain traction measured. Each of those is measured, and each is published in full below.

The score comes from our own monitoring, never from reviews, operator claims, or a language model: reliability, x402 compliance, price against the category, a deterministic risk flag, and a small on-chain traction term, weighted by ranking generation 3. It is not placement anyone can buy: the paid verify tier is reported beside it and is not one of its inputs. Every component below stays published and read-only.

It is a score inside Verification, and only there: price and speed are scored against the whole category field, every listing in it that carries no danger flag, the scored service included, which here means 77 listings, this one among them. That set is wider than the 77 the position above is counted against, because a listing we have measured too little of to rank still sits in the field the price and the speed are normalized over. The same service in a different field would read differently. The same engine answers GET /api/v1/best, and asked for a different pool (the whole directory, or another filter) it returns a different number for this service under this same ranking generation. Neither is more correct: they answer different questions, and the methodology states which is which.

Bands on the 0 to 100 measured score: strong at 93 and above, solid from 75, mixed from 55, weak below 55. Price and speed are scored against the whole category field, every listing in it that carries no danger flag, the scored service included, so the score places a service in its own field.

ALTERNATIVES IN VERIFICATION

Other Verification services in this directory, ordered by the same measured score. The figures are ours: 30-day uptime from our own probes, 30-day settlement volume read on-chain (a conservative undercount, and null where we cannot measure it, never a zero).

Ranked alternative x402 services in the same category, with band, measured score, 30-day uptime and 30-day on-chain settlement volume
SERVICE BAND SCORE UPTIME 30D VOL 30D
scvd.store — evidence observatory for the x402 economy strong 93 100% $1.0k
Rubric Protocol — Post-Quantum AI Attestation solid 93 100% $11.50
767-2676.com - POPCORN solid 89 100% $0.04
IBANforge solid 88 99.8% $0.11
10x402 solid 88 100% $2.50
5 of 76 other ranked services in Verification

ASSESSMENT

updated 5h ago

The parts the verdict above is computed from, each with its proof. Click any chip. Measured values stay read-only; unknown is honest, and an unknown is never counted as a zero.

reliability 99.8%
uptime 24h
100%
uptime 7d
100%
uptime 30d
99.8%
uptime 90d
99.9%
response p95
3820ms
avg response
2419ms
total checks
2,719

Measured on the unpaid 402 handshake, not the paid call. A service can 402 correctly and still fail after payment.

compliance A (14/14)

14 of 14 x402 conformance checks pass. Full checklist below.

jump to compliance checklist

price $0.001 (p5 in Verification)
price (min)
$0.001
category percentile (min)
p5 in Verification
endpoints / prices
1 / 1
model
flat
stability
100%
risk clean

No deterministic risk flag. Risk fires only on an exact blocklist match, or a reserved-brand name with a mismatched verified payTo. Never from low uptime, a high price, or a model guess.

domain age
91d
registrar
Alibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn)
hosting
custom
domain created
2026-06-12

Identity facts, not a risk score.

traction $0.00 30d · 0 buyers
volume 30d
$0.00
buyers 30d
0
settlements 30d
0
measured since
2026-07-31 (start of our harvest window)
last settlement
2026-08-13
top buyer share
-
trend 7d vs 30d
-
networks
eip155:8453
volume all-time
$0
settlements all-time
2
median settlement 30d
-
max settlement 30d
-
settled via
-

Conservative undercount: only USDC settlements via facilitators we measure are counted. A measured floor, not an estimate.

Top buyer share is a concentration signal, not part of the ranking score.

WHAT IT DOES

ai-derived

Checks whether a GitHub issue bounty is actionable

category
bounty-verification
in
query params
verificationgithubbounty-checking

AI-generated summary. The measured data is never altered by it.

ENDPOINTS

Service endpoints with HTTP method, path, description, pricing, and network
METHOD PATH DESCRIPTION PRICE NETWORK ASSET 402 CHANNEL
GET /bounty-truth/api/v1/check $0.001 Base USDC header
1 endpoints

REQUEST / RESPONSE EXAMPLE

An unpaid request to GET /bounty-truth/api/v1/check returns HTTP 402 with the payment terms. Settle onchain via your facilitator, then retry with the X-Payment header.

// request
curl -i 'https://happybirthday.digitalshop.xin/bounty-truth/api/v1/check'
// 402 response (captured by monitor) · 1 payload · click to expand
[
  {
    "error": "Payment required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x2347a96a9d3ba528bad4a21407ab040d9d997f19",
        "amount": "1000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      }
    ],
    "resource": {
      "url": "https://happybirthday.digitalshop.xin/bounty-truth/api/v1/check",
      "mimeType": "application/json",
      "description": "Check whether a public GitHub issue bounty is still actionable using live issue, maintainer, pull request, and repository evidence."
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {
              "url": "https://github.com/owner/repository/issues/123"
            }
          },
          "output": {
            "type": "json",
            "example": {
              "signals": [],
              "verdict": "caution",
              "checkedAt": "2026-07-29T00:00:00.000Z",
              "riskScore": 35,
              "rulesVersion": "1.0.0",
              "sourceFreshness": "complete"
            }
          }
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "input"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "type",
                "method"
              ],
              "properties": {
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "type": "object",
                  "required": [
                    "url"
                  ],
                  "properties": {
                    "url": {
                      "type": "string",
                      "pattern": "^https://github\\.com/[A-Za-z0-9_.-]+/[A-Za-z0-9_.-]+/issues/[1-9][0-9]*$",
                      "description": "Public github.com issue URL to assess"
                    }
                  }
                }
              },
              "additionalProperties": false
            },
            "output": {
              "type": "object",
              "required": [
                "type"
              ],
              "properties": {
                "type": {
                  "type": "string"
                },
                "example": {
                  "type": "object"
                }
              }
            }
          }
        }
      }
    },
    "x402Version": 2
  }
]

OVER TIME

All charts use the 30d selector; each series spans only the dates it has data for. Every series is also served as JSON at /api/v1/services/bounty-truth-api/price, /scores, /volume and /buyers. On-chain volume and distinct buyers are measured over the service's settlement address and are a conservative undercount (only settlements that reach a measured facilitator are counted). The on-chain series roll up hourly, so the latest day can be up to about an hour behind; distinct buyers are counted per payout address, so a service that settles to more than one address is an upper bound.

UPTIME
08-15 · uptime 100.0% · 1871ms avg08-16 · uptime 100.0% · 2230ms avg08-17 · uptime 100.0% · 2240ms avg08-18 · uptime 100.0% · 2236ms avg08-19 · uptime 98.9% · 2084ms avg08-20 · uptime 100.0% · 2257ms avg08-21 · uptime 100.0% · 2256ms avg08-22 · uptime 100.0% · 2865ms avg08-23 · uptime 97.8% · 3271ms avg08-24 · uptime 100.0% · 2973ms avg08-25 · uptime 100.0% · 3306ms avg08-26 · uptime 98.9% · 3132ms avg08-27 · uptime 100.0% · 3602ms avg08-28 · uptime 100.0% · 3884ms avg08-29 · uptime 100.0% · 2191ms avg08-30 · uptime 100.0% · 1646ms avg08-31 · uptime 100.0% · 1829ms avg09-01 · uptime 100.0% · 1866ms avg09-02 · uptime 100.0% · 1863ms avg09-03 · uptime 100.0% · 2148ms avg09-04 · uptime 100.0% · 1970ms avg09-05 · uptime 100.0% · 2961ms avg09-06 · uptime 100.0% · 2897ms avg09-07 · uptime 100.0% · 2224ms avg09-08 · uptime 100.0% · 2018ms avg09-09 · uptime 100.0% · 1958ms avg09-10 · uptime 100.0% · 2247ms avg09-11 · uptime 100.0% · 2348ms avg09-12 · uptime 100.0% · 2270ms avg09-13 · uptime 100.0% · 2393ms avg08-1509-13
30d UPTIME 99.8%
RESPONSE TIME
08-15 · 1871ms avg08-15 · 1871ms avg08-16 · 2230ms avg08-16 · 2230ms avg08-17 · 2240ms avg08-17 · 2240ms avg08-18 · 2236ms avg08-18 · 2236ms avg08-19 · 2084ms avg08-19 · 2084ms avg08-20 · 2257ms avg08-20 · 2257ms avg08-21 · 2256ms avg08-21 · 2256ms avg08-22 · 2865ms avg08-22 · 2865ms avg08-23 · 3271ms avg08-23 · 3271ms avg08-24 · 2973ms avg08-24 · 2973ms avg08-25 · 3306ms avg08-25 · 3306ms avg08-26 · 3132ms avg08-26 · 3132ms avg08-27 · 3602ms avg08-27 · 3602ms avg08-28 · 3884ms avg08-28 · 3884ms avg08-29 · 2191ms avg08-29 · 2191ms avg08-30 · 1646ms avg08-30 · 1646ms avg08-31 · 1829ms avg08-31 · 1829ms avg09-01 · 1866ms avg09-01 · 1866ms avg09-02 · 1863ms avg09-02 · 1863ms avg09-03 · 2148ms avg09-03 · 2148ms avg09-04 · 1970ms avg09-04 · 1970ms avg09-05 · 2961ms avg09-05 · 2961ms avg09-06 · 2897ms avg09-06 · 2897ms avg09-07 · 2224ms avg09-07 · 2224ms avg09-08 · 2018ms avg09-08 · 2018ms avg09-09 · 1958ms avg09-09 · 1958ms avg09-10 · 2247ms avg09-10 · 2247ms avg09-11 · 2348ms avg09-11 · 2348ms avg09-12 · 2270ms avg09-12 · 2270ms avg09-13 · 2393ms avg09-13 · 2393ms avg08-1509-13
AVG RESP 2422ms
PRICE (captured 402, USD)
08-14 · $0.00109-13 · $0.001$0.00108-1409-13
SUB-SCORES (uptime + x402 compliance)
08-14 uptime: 99.9% compliance: 100% checks08-15 uptime: 99.9% compliance: 100% checks08-16 uptime: 99.9% compliance: 100% checks08-17 uptime: 99.9% compliance: 100% checks08-18 uptime: 99.9% compliance: 100% checks08-19 uptime: 99.9% compliance: 100% checks08-20 uptime: 99.9% compliance: 100% checks08-21 uptime: 99.9% compliance: 100% checks08-22 uptime: 99.9% compliance: 100% checks08-23 uptime: 99.8% compliance: 100% checks08-24 uptime: 99.8% compliance: 100% checks08-25 uptime: 99.8% compliance: 100% checks08-26 uptime: 99.8% compliance: 100% checks08-27 uptime: 99.8% compliance: 100% checks08-28 uptime: 99.8% compliance: 100% checks08-29 uptime: 99.8% compliance: 100% checks08-30 uptime: 99.8% compliance: 100% checks08-31 uptime: 99.8% compliance: 100% checks09-01 uptime: 99.8% compliance: 100% checks09-02 uptime: 99.8% compliance: 100% checks09-03 uptime: 99.8% compliance: 100% checks09-04 uptime: 99.8% compliance: 100% checks09-05 uptime: 99.9% compliance: 100% checks09-06 uptime: 99.9% compliance: 100% checks09-07 uptime: 99.9% compliance: 100% checks09-08 uptime: 99.9% compliance: 100% checks09-09 uptime: 99.9% compliance: 100% checks09-10 uptime: 99.9% compliance: 100% checks09-11 uptime: 99.9% compliance: 100% checks09-12 uptime: 99.9% compliance: 100% checks09-13 uptime: 99.8% compliance: 100% checksuptimecompliance08-1409-13

checklist grew 11->14 on 2026-07-28; a step here is a metric change, not a regression

PILLARS OVER TIME (measured)

Measured site and economics pillars from the assessment history, so the latest value shown elsewhere on this page reads as a point on a trend rather than a permanent state.

VOLUME (on-chain settlement, USD)
no on-chain volume yet
DISTINCT BUYERS
no distinct buyers yet

COMPLIANCE

14/14 checks pass · grade A

last 402 captured 2026-07-30 · last up 2026-09-13

  • 402 payload captured
  • accepts[] array present
  • payTo address recoverable
  • payTo at accepts[0].payTo (conformant shape)
  • payTo is a valid on-chain address
  • atomic price declared
  • atomic price in a sane range
  • asset (token) address declared
  • network resolves to CAIP-2
  • payment scheme declared
  • served over HTTPS
  • declares the current x402 version (2)
  • EIP-712 domain parameters present on every EVM entry
  • x402 v2 envelope delivered in the payment-required header

SITE PILLARS

  • homepage reachable
  • openapi doc
  • pricing page
  • llms.txt
  • robots.txt
  • terms page
recent checks (18) live · click to expand
TIME STATUS RESP CAUSE
● SLOW 3952ms
● OK 3342ms
● OK 2002ms
● OK 1790ms
● OK 2361ms
● SLOW 3748ms
● OK 3087ms
● OK 2956ms
● SLOW 4824ms
● OK 2866ms
● OK 2603ms
● OK 2448ms
● OK 1689ms
● OK 2047ms
● SLOW 4918ms
● OK 2563ms
● OK 2138ms
● OK 2373ms

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[ update this listing ]

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