x402 census · x402.orthogonal.com · fc1ffd39e59f · JSON
POST /baseten/v1/chat/completions
gone
Send a conversation to a model and get a completion back. Works exactly like the OpenAI chat completions endpoint. Pass messages and a model slug, get a response with the assistant's reply. Supports streaming for real-time token delivery, tool calling for function execution, structured outputs via response_format, and controllable reasoning depth on supported models. | ERROR: Unable to calculate …
Verdict: dead listing. 404/410: gone.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://x402.orthogonal.com/baseten/v1/chat/completions |
| Method | POST |
| Price | $0.005 USDC = 5000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp, eip155:143 |
| payTo | 0xDEFaDa13F790cf39168691B391Cfa0b6f1f5c267 |
| Seller | x402.orthogonal.com |
| 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 | 45 calls and 2 unique payers in 30 days, last call 2026-09-14 (catalog-reported, not verified on chain) |
| Category (keyword rule) | inference/llm |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | none |
Unpaid probe (census of 2026-09-30)
| Field | Value |
|---|---|
| Probed at | 2026-09-30T23:51:12.600Z |
| HEAD | 404 |
| GET | 404 |
| Verdict | gone 404/410: gone |
| 402 carried in | n/a |
| x402Version in the 402 | n/a |
| accepts[0] | none |
| Live amount equals catalog price | not comparable |
| Live payTo equals catalog payTo | not comparable |
| extensions.bazaar in the 402 | no |
| PAYMENT-REQUIRED header | no |
| WWW-Authenticate offer | none |
| Content type / server / CORS | application/json / Vercel / * |
| Latency | 1,958 ms |
| Error | none |
Latest re-probe
| Field | Value |
|---|---|
| Re-probed at | 2026-10-02T11:13:42.000Z (cron) |
| Verdict now | gone unchanged |
| HEAD / GET | 404 / 404 |
| accepts[0] | none |
| Live amount equals catalog price | not comparable |
| Latency | 1,516 ms |
| Error | none |
On-chain facts for the payTo (public address)
| Field | Value |
|---|---|
| Distinct payers | 1 |
| Payments | 3 |
| USDC volume | $0.01 |
| Median payment | $0.005 |
| First / last payment | 2026-09-12 / 2026-09-13 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0xDEFaDa13F790cf39168691B391Cfa0b6f1f5c267 (contract: Kernel) |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {
"messages": [],
"model": "model"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://x402.orthogonal.com/baseten/v1/chat/completions' -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/fc1ffd39e59f/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"fc1ffd39e59f"} 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 x402.orthogonal.com.