x402 census · qr-api-production-1836.up.railway.app · 210131f0ff54 · JSON

POST /decode

unprobed

Decode QR/barcodes from a base64-encoded image; returns each detected code's type, decoded text, bounding rect, and polygon.

Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.

Facts from the catalogs

Field Value

URL https://qr-api-production-1836.up.railway.app/decode

Method POST

Price $0.001 USDC = 1000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0xFFc458dB291b4ABcE020fE3de4f91F2770E537b1

Seller qr-api-production-1836.up.railway.app

Catalogs cdp (row updated 2026-09-14)

Listed since (lower bound) 2026-09-14 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-14

CDP quality counters 1 calls and 1 unique payers in 30 days, last call 2026-09-14 (catalog-reported, not verified on chain)

Category (keyword rule) dev-tools/utilities

Templated path no

x402Version in catalog 2

Service name / tags none

Unpaid probe (census of )

Field

Value

Probe

not probed in this build

No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.

On-chain facts for the payTo (public address)

Field Value

Distinct payers 78

Payments 327

USDC volume $0.49

Median payment $0.001

First / last payment 2026-06-11 / 2026-09-30

Sampler-shaped share of payments 100.0%

Payers that are not samplers 0

Source forensics-2026-09-30

Address 0xFFc458dB291b4ABcE020fE3de4f91F2770E537b1

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "image_base64": "iVBORw0KGgoAAAANSUhEUgAAASIAAAEiCAYAAABdvt+2AAAABmJLR0QA/wD/AP+gvaeTAAAF..."
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "count": 1,
   "image_size": {
    "height": 330,
    "width": 330
   },
   "results": [
    {
     "data": "https://payapi.market",
     "polygon": [
      {
       "x": 40,
       "y": 40
      },
      {
       "x": 40,
       "y": 290
      },
      {
       "x": 290,
       "y": 290
      },
      {
       "x": 290,
       "y": 40
      }
     ],
     "rect": {
      "height": 250,
      "left": 40,
      "top": 40,
      "width": 250
     },
     "type": "QRCODE"
    }
   ]
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://qr-api-production-1836.up.railway.app/decode' -H 'accept: application/json' -H 'content-type: application/json' --data '{}'

The catalog declares POST. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.

Paid checks (x402, USDC on Base)

GET https://bazaar.agentexchange.work/r/210131f0ff54/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"210131f0ff54"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.

Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on qr-api-production-1836.up.railway.app.