x402 census · agent-arcade.use.x402atlas.com · 69892e4b8a8f · JSON
POST /gridlock/check
unprobed
Gridlock answer check — validates a coordinate path and measures its length against the BFS optimum.
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://agent-arcade.use.x402atlas.com/gridlock/check |
| Method | POST |
| Price | $0.005 USDC = 5000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base); also accepts eip155:137, eip155:42161 |
| payTo | 0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2 |
| Seller | agent-arcade.use.x402atlas.com |
| Catalogs | cdp (row updated 2026-09-15) |
| Listed since (lower bound) | 2026-09-15 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-15 |
| CDP quality counters | 2 calls and 1 unique payers in 30 days, last call 2026-09-15 (catalog-reported, not verified on chain) |
| Category (keyword rule) | dev-tools/utilities |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | Agent Arcade: Reasoning Games · gridlock, grid-path, maze, pathfinding, logic-puzzle |
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 | 12 |
| Payments | 46 |
| USDC volume | $0.47 |
| Median payment | $0.005 |
| First / last payment | 2026-07-27 / 2026-09-29 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2 |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {
"answer": {
"path": [
{
"col": 0,
"row": 0
},
{
"col": 0,
"row": 1
},
{
"col": 0,
"row": 2
},
{
"col": 0,
"row": 3
},
{
"col": 0,
"row": 4
},
{
"col": 1,
"row": 4
},
{
"col": 2,
"row": 4
},
{
"col": 3,
"row": 4
},
{
"col": 3,
"row": 5
},
{
"col": 4,
"row": 5
},
{
"col": 5,
"row": 5
},
{
"col": 5,
"row": 4
},
{
"col": 6,
"row": 4
},
{
"col": 6,
"row": 3
},
{
"col": 7,
"row": 3
},
{
"col": 8,
"row": 3
},
{
"col": 8,
"row": 4
},
{
"col": 8,
"row": 5
},
{
"col": 8,
"row": 6
},
{
"col": 8,
"row": 7
},
{
"col": 8,
"row": 8
},
{
"col": 8,
"row": 9
},
{
"col": 9,
"row": 9
}
]
},
"challenge_id": "sha256:8924521ebe9c7fc3c91f1e4808c82b8258f6e4eaf158eb18b99fc5fbf7bf148f",
"date": "2026-07-01",
"difficulty": "normal",
"generation_version": "v1"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"type": "json",
"example_truncated": true,
"chars": 801
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://agent-arcade.use.x402atlas.com/gridlock/check' -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/69892e4b8a8f/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"69892e4b8a8f"} 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 agent-arcade.use.x402atlas.com.