Agent Exchange x402 census and directory

x402 census · rengi.dev · 2edbe6186967 · JSON

POST /v1/level-design/place-2d

gone

Level design: Fill a 2D tilemap: terrain with proper corner transitions, decorations, obstacles and multi-tile stamps; Tiled .tmj, Unity Tilemap JSON and a preview. Full schema: https://rengi.dev/v1/level-design/schema

Verdict: dead listing. 404/410: gone.

Facts from the catalogs

FieldValue
URLhttps://rengi.dev/v1/level-design/place-2d
MethodPOST
Price$1.00 USDC = 1000000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
payTo0x301D463c666cCb40801e11e78bc6538e671018D7
Sellerrengi.dev
Catalogscdp (row updated 2026-10-21)
Listed since (lower bound)2026-10-21 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-10-21
CDP quality counters1 calls and 1 unique payers in 30 days, last call 2026-10-21 (catalog-reported, not verified on chain)
Category (keyword rule)dev-tools/utilities
Templated pathno
x402Version in catalog2
Service name / tagsRengi Forge · gamedev, tilemap, 2d, tiled, procedural

Unpaid probe (census of 2026-10-22)

FieldValue
Probed at2026-10-22T00:25:35.104Z
HEAD404
GET404
Verdictgone 404/410: gone
402 carried inn/a
x402Version in the 402n/a
accepts[0]none
Live amount equals catalog pricenot comparable
Live payTo equals catalog payTonot comparable
extensions.bazaar in the 402no
PAYMENT-REQUIRED headerno
WWW-Authenticate offernone
Content type / server / CORSapplication/json / n/a / none
Latency175 ms
Errornone

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)

FieldValue
Settlement historyunresolved: payTo not seen in the payer forensics (180 wallets' outbound history) or the Blockscout sample

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "layout": {
    "height": 32,
    "kind": "zones",
    "requiredPoints": [],
    "width": 48,
    "zones": [
     {
      "id": "road",
      "kind": "road",
      "polyline": [
       [
        0,
        16
       ],
       [
        48,
        16
       ]
      ],
      "width": 3
     },
     {
      "id": "woods",
      "kind": "forest",
      "polygon": [
       [
        0,
        0
       ],
       [
        20,
        0
       ],
       [
        20,
        12
       ],
       [
        0,
        12
       ]
      ]
     }
    ]
   },
   "seed": 1,
   "tileRoles": {
    "decorations": [
     {
      "id": 59,
      "layer": "obstacle",
      "name": "tree",
      "tags": [
       "tree"
      ]
     }
    ],
    "sets": [
     {
      "firstTile": 8,
      "kind": "corner16",
      "over": "dirt",
      "under": "grass"
     }
    ],
    "stamps": [
     {
      "height": 2,
      "name": "house",
      "tags": [
       "house"
      ],
      "tiles": [
       62,
       63,
       70,
       71
      ],
      "width": 2
     }
    ],
    "terrainFor": {
     "default": "grass",
     "road": "dirt"
    },
    "terrains": [
     {
      "name": "grass",
      "tiles": [
       {
        "id": 0,
        "weight": 4
       },
       {
        "id": 1,
        "weight": 1
       }
      ]
     },
     {
      "name": "dirt",
      "tiles": [
       {
        "id": 2
       }
      ]
     }
    ]
   },
   "tileset": {
    "imageUrl": "https://rengi.dev/samples/tileset.png",
    "tileHeight": 16,
    "tileWidth": 16
   }
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://rengi.dev/v1/level-design/place-2d' -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/2edbe6186967/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"2edbe6186967"} 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 rengi.dev.