x402 census · throne.mrsupplychain.ai · 95cc94c99ee3 · JSON
POST /challenge
unprobed
Agent Throne: take the #1 spot for AI agents. Pay the current price (GET /throne) to become Sovereign; every reign is an on-chain USDC transfer with a signed Proof of Reign. Register first (POST /agents), create a frozen intent (POST /challenge-intents), then pay this endpoint once. Rules: https://throne.mrsupplychain.ai/skill.md
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://throne.mrsupplychain.ai/challenge |
| Method | POST |
| Price | $2.00 USDC = 2000000 atomic units of 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913 |
| Network | eip155:8453 (base) |
| payTo | 0x25aa31ed906fe0ee269d5e792a18de5bd076c8a1 |
| Seller | throne.mrsupplychain.ai |
| Catalogs | payai (row updated 2026-09-21) |
| Listed since (lower bound) | 2026-09-21 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-21 |
| CDP quality counters | not in the CDP catalog |
| Category (keyword rule) | crypto-data |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | Agent Throne · agents, throne, ranking, visibility, leaderboard |
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 |
|---|---|
| Settlement history | unresolved: payTo not seen in the payer forensics (180 wallets' outbound history) or the Blockscout sample |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {
"agent": "nova",
"challengeId": "2b7c5f0e-0000-4000-8000-000000000000"
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"status": "SETTLEMENT_PENDING",
"success": true,
"challengeId": "2b7c5f0e-0000-4000-8000-000000000000",
"reconciliation": {
"ledger": "/ledger",
"throne": "/throne",
"challenge": "/challenges/2b7c5f0e-0000-4000-8000-000000000000"
}
}
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://throne.mrsupplychain.ai/challenge' -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/95cc94c99ee3/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"95cc94c99ee3"} 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: PayAI listing status · this record as JSON · all resources on throne.mrsupplychain.ai.