x402 List

x402 Protocol Service Directory

●

Automaton Colony Flash Audit

Verification PAYMENT-READY

payment-ready until 2026-10-06

AI security screening of smart contracts and B20 native tokens on Base (chain 8453). Pay 3.49 USDC over x402 (EIP-3009, CDP facilitator) and receive a JSON report with its SHA-256 inside; the report hash is anchored on Base at purchase. Every report states what it could not verify as open items with the reason. A free check with no wallet returns observed data only (verified source, proxy, admin selectors, holder concentration, B20 issuer powers).

Pay from $3.49 in USDC on Base, settled onchain via the x402 protocol, no signup, no API key needed.

measured since 2026-09-01 (start of our harvest window) · $7.92 all-time · settled via coinbase

BASE URL https://automatoncolony.xyz │ WEBSITE https://automatoncolony.xyz/app/x402/ │ ENDPOINTS 1 │ NETWORK Base │ ASSET USDC │ MEMBER SINCE 2026-09-07 │ MONITORED SINCE 2026-09-07

VERDICT

ranking generation 3

solid 76/100 #91 of 113 in Verification by measured score

What the score read on this service: status online, 99.5% uptime 30d, 3684ms response p95, x402 compliance 14 of 14, $3.49 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 113 listings, this one among them. That set is wider than the 113 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 94 100% $918.33
Rubric Protocol — Post-Quantum AI Attestation solid 93 99.8% $33.21
Enclave402 solid 89 100% $3.98
LION — Verified Company & Compliance Data solid 89 100% $5.80
767-2676.com - POPCORN solid 89 100% $0.11
5 of 112 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 99.5%
uptime · latest daily rollup
96.3%
uptime 7d
99%
uptime 30d
99.5%
uptime 90d
99.5%
response p95
3684ms
avg response
934ms
total checks
1,941

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 $3.49 (p98 in Verification)
price (min)
$3.49
category percentile (min)
p98 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
-
registrar
-
hosting
custom
domain created
---

Identity facts, not a risk score.

traction $7.9462 30d · 5 buyers · top buyer 99% (address, not entity)
volume 30d
$7.9462
buyers 30d
5
settlements 30d
43
measured since
2026-09-01 (start of our harvest window)
last settlement
2026-09-17
top buyer share
99% of 30d volume (address, not entity)
trend 7d vs 30d
0.00x the 30d daily rate
networks
eip155:8453
volume all-time
$7.92
settlements all-time
43
median settlement 30d
$0.0099
max settlement 30d
$3.49
settled via
coinbase ($7.95, 43 tx)

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

Top buyer share is part of the ranking score: a higher share lowers the traction part of the score, by up to half when one address holds all 30d volume.

WHAT IT DOES

ai-derived

No AI synthesis has been produced for this service yet.

ENDPOINTS

Service endpoints with HTTP method, path, description, pricing, and network
METHOD PATH DESCRIPTION PRICE NETWORK ASSET 402 CHANNEL
GET /api/v1/x402/flash-audit $3.49 Base USDC header
1 endpoints

REQUEST / RESPONSE EXAMPLE

An unpaid request to GET /api/v1/x402/flash-audit returns HTTP 402 with the payment terms. Settle onchain via your facilitator, then retry with the X-Payment header.

// request
curl -i 'https://automatoncolony.xyz/api/v1/x402/flash-audit'
// 402 response (captured by monitor) · 1 payload · click to expand
[
  {
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x3a6e1866f38385025fa9024304882cF59E3330aB",
        "amount": "3490000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 600
      }
    ],
    "resource": {
      "url": "https://automatoncolony.xyz/api/v1/x402/flash-audit",
      "tags": [
        "smart-contract",
        "audit",
        "token-risk",
        "base",
        "due-diligence"
      ],
      "iconUrl": "https://automatoncolony.xyz/app/logo-400.png",
      "mimeType": "application/json",
      "description": "Security screening of any contract on Base, returned as structured JSON in about 120s: severity-ranked findings with the evidence each one rests on, and the report's own SHA-256 so the bytes you receive can be checked against the delivery recorded on chain. Try it at no cost first, no key needed: GET https://automatoncolony.xyz/api/v1/free-check/{address} returns source verification, proxy upgradeability, holder concentration and the dangerous selectors found. Payment implies a request for immediate execution. Terms (0x3545cfb9d504c284cb1d528bfb0bebc142afdfc1c92a62967ae83ccc0b3e3c0d): https://automatoncolony.xyz/api/v1/legal/terms",
      "serviceName": "Automaton Colony Flash Report"
    },
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "language": "en",
              "targetAddress": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
            },
            "type": "http",
            "method": "POST",
            "bodyType": "json"
          },
          "output": {
            "type": "json",
            "example": {
              "poll": "/api/v1/x402/orders/0x0000000000000000000000000000000000000000000000000000000000000000",
              "status": "PENDING",
              "orderKey": "0x0000000000000000000000000000000000000000000000000000000000000000",
              "estimatedSeconds": 120
            }
          }
        },
        "schema": {
          "type": "object",
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "required": [
            "input",
            "output"
          ],
          "properties": {
            "input": {
              "type": "object",
              "required": [
                "type",
                "method",
                "body"
              ],
              "properties": {
                "body": {
                  "type": "object",
                  "required": [
                    "targetAddress"
                  ],
                  "properties": {
                    "language": {
                      "enum": [
                        "es",
                        "en",
                        "zh",
                        "ru",
                        "pt",
                        "tr",
                        "fr",
                        "de",
                        "id",
                        "vi",
                        "ko"
                      ],
                      "type": "string",
                      "default": "en",
                      "description": "Report language. Defaults to \"en\" when omitted."
                    },
                    "targetAddress": {
                      "type": "string",
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "description": "Contract address to screen, on Base mainnet (eip155:8453)."
                    }
                  },
                  "additionalProperties": false
                },
                "type": {
                  "type": "string",
                  "const": "http"
                },
                "method": {
                  "type": "string",
                  "const": "POST"
                },
                "bodyType": {
                  "type": "string",
                  "const": "json"
                }
              }
            },
            "output": {
              "type": "object",
              "required": [
                "type",
                "example"
              ],
              "properties": {
                "type": {
                  "type": "string",
                  "const": "json"
                },
                "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/automaton-colony-flash-audit/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
09-07 · uptime 100.0% · 805ms avg09-08 · uptime 100.0% · 718ms avg09-09 · uptime 100.0% · 690ms avg09-10 · uptime 96.7% · 853ms avg09-11 · uptime 100.0% · 718ms avg09-12 · uptime 100.0% · 593ms avg09-13 · uptime 100.0% · 582ms avg09-14 · uptime 100.0% · 651ms avg09-15 · uptime 100.0% · 624ms avg09-16 · uptime 100.0% · 721ms avg09-17 · uptime 100.0% · 1166ms avg09-18 · uptime 98.9% · 854ms avg09-19 · uptime 100.0% · 962ms avg09-20 · uptime 100.0% · 1026ms avg09-21 · uptime 100.0% · 971ms avg09-22 · uptime 100.0% · 927ms avg09-23 · uptime 98.9% · 1597ms avg09-24 · uptime 98.9% · 922ms avg09-25 · uptime 100.0% · 1132ms avg09-26 · uptime 100.0% · 1505ms avg09-27 · uptime 98.9% · 1164ms avg09-28 · uptime 96.7% · 1388ms avg09-29 · uptime 100.0% · 1267ms avg09-0709-29
30D UPTIME 99.5%
RESPONSE TIME
09-07 · 805ms avg09-07 · 805ms avg09-08 · 718ms avg09-08 · 718ms avg09-09 · 690ms avg09-09 · 690ms avg09-10 · 853ms avg09-10 · 853ms avg09-11 · 718ms avg09-11 · 718ms avg09-12 · 593ms avg09-12 · 593ms avg09-13 · 582ms avg09-13 · 582ms avg09-14 · 651ms avg09-14 · 651ms avg09-15 · 624ms avg09-15 · 624ms avg09-16 · 721ms avg09-16 · 721ms avg09-17 · 1166ms avg09-17 · 1166ms avg09-18 · 854ms avg09-18 · 854ms avg09-19 · 962ms avg09-19 · 962ms avg09-20 · 1026ms avg09-20 · 1026ms avg09-21 · 971ms avg09-21 · 971ms avg09-22 · 927ms avg09-22 · 927ms avg09-23 · 1597ms avg09-23 · 1597ms avg09-24 · 922ms avg09-24 · 922ms avg09-25 · 1132ms avg09-25 · 1132ms avg09-26 · 1505ms avg09-26 · 1505ms avg09-27 · 1164ms avg09-27 · 1164ms avg09-28 · 1388ms avg09-28 · 1388ms avg09-29 · 1267ms avg09-29 · 1267ms avg09-0709-29
AVG RESP 939ms
PRICE (captured 402, USD)
09-07 · $3.4909-29 · $3.49$3.4909-0709-29
SUB-SCORES (uptime + x402 compliance)
09-07 uptime: 100.0% compliance: 100% checks09-08 uptime: 100.0% compliance: 100% checks09-09 uptime: 100.0% compliance: 100% checks09-10 uptime: 99.1% compliance: 100% checks09-11 uptime: 99.3% compliance: 100% checks09-12 uptime: 99.4% compliance: 100% checks09-13 uptime: 99.5% compliance: 100% checks09-14 uptime: 99.6% compliance: 100% checks09-15 uptime: 99.6% compliance: 100% checks09-16 uptime: 99.6% compliance: 100% checks09-17 uptime: 99.7% compliance: 100% checks09-18 uptime: 99.6% compliance: 100% checks09-19 uptime: 99.6% compliance: 100% checks09-20 uptime: 99.7% compliance: 100% checks09-21 uptime: 99.7% compliance: 100% checks09-22 uptime: 99.7% compliance: 100% checks09-23 uptime: 99.7% compliance: 100% checks09-24 uptime: 99.7% compliance: 100% checks09-25 uptime: 99.6% compliance: 100% checks09-26 uptime: 99.7% compliance: 100% checks09-27 uptime: 99.6% compliance: 100% checks09-28 uptime: 99.5% compliance: 100% checksuptimecompliance09-0709-28

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)
09-01 · $0.0309-03 · $309-07 · $0.1809-09 · $409-10 · $0.1809-11 · $0.1809-12 · $0.0009-14 · $0.0009-17 · $0.00peak $409-0109-17
DISTINCT BUYERS
09-01 · 1 buyer09-03 · 1 buyer09-07 · 1 buyer09-09 · 1 buyer09-10 · 1 buyer09-11 · 1 buyer09-12 · 1 buyer09-14 · 1 buyer09-17 · 1 buyerpeak 1 buyer09-0109-17

COMPLIANCE

14/14 checks pass · grade A

last 402 captured 2026-09-07 · last up 2026-09-29

  • 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 2668ms
● OK 1126ms
● OK 337ms
● OK 367ms
● SLOW 1696ms
● SLOW 1831ms
● SLOW 2861ms
● OK 520ms
● SLOW 2792ms
● OK 561ms
● SLOW 1877ms
● OK 210ms
● OK 484ms
● OK 736ms
● OK 348ms
● OK 286ms
● SLOW 3434ms
● SLOW 3900ms

EMBED THIS BADGE

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Keep this listing accurate: propose changes to the name, description, website, category or add new endpoints to monitor. Ownership is verified with a domain proof and every change is reviewed manually; measured data stays read-only.

[ update this listing ]

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