X4
AI Inference · x402 · early usage
DeepSeek's flagship chat model — strong open-source reasoning and coding at low cost
DeepSeek's flagship chat model — strong open-source reasoning and coding at low cost
by x402engine.app · discovered, not yet claimed by its owner · updated 2026-10-08
30d calls9
30d payers3
MethodPOST
Outputjson
Mirrored from Coinbase's public x402 Bazaar. The description is the provider's own text and has not been reviewed here; the payment requirements are copied as published.
What it does
DeepSeek's flagship chat model — strong open-source reasoning and coding at low cost
Tags: bazaar
Call contract
- Method
- POST
- Input
- json
- Output
- json
- Last paid call
- 2026-10-08
Input example from Bazaar metadata
{
"max_tokens": 1024,
"messages": [
{
"content": "Hello",
"role": "user"
}
]
}No output exampleProvider did not publish one in Bazaar metadata.
Use with an agent
- Discover. Agents find this listing with
GET https://bazaar.saylorinnovations.com/discovery/search?query=…, the MCP toolsearch_resources, or/discovery/resources. - Inspect. Fetch
/resources/31540.jsonfor the price and payment options. - Pay. Call
GET https://x402engine.app/api/llm/deepseek. The provider answers402with its payment requirements. An x402 client signs one of the options below and retries withPAYMENT-SIGNATURE. - Execute. The provider returns
200with the data. Agent Bazaar is not in the request path and never sees your payment.
For humans
You don't need an account or an API key; you need a wallet holding a small amount of USDC on Base, eip155:4326, Solana, and an x402-capable client (see the examples below). Call the endpoint unpaid first to see exactly what it asks for.
Pricing & payment
- Price
- $0.005011 / request
- Protocol
- x402 v2
- Auth
- No account or API key. Pay per request.
- Networks
- Base, eip155:4326, Solana
- Demand
- 9 calls · 3 unique payers in 30d (public x402 Bazaar data)
x402 payment requirements
| Scheme | Network | Asset | Amount | Pay to | Timeout |
|---|---|---|---|---|---|
| exact | Base eip155:8453 | USDC | $0.005011 | 0x7dd5Be069f2d2eAd75eC7C3423B116fF043c2629 | 300s |
| exact | eip155:4326 eip155:4326 | 0xFAfDdbb3FC7688494971a79cc65DCa3EF82079E7 | 5011000000000000 | 0x7dd5Be069f2d2eAd75eC7C3423B116fF043c2629 | 300s |
| exact | Solana solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | USDC | $0.005011 | Gzehfseq1k9AcHFSoV7qHmDGQx92nLMw78XXdqVWQQWa | 300s |
accepts[] (raw JSON)
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x7dd5Be069f2d2eAd75eC7C3423B116fF043c2629",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "5011",
"amountUsd": 0.005011,
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "eip155:4326",
"payTo": "0x7dd5Be069f2d2eAd75eC7C3423B116fF043c2629",
"asset": "0xFAfDdbb3FC7688494971a79cc65DCa3EF82079E7",
"amount": "5011000000000000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "Gzehfseq1k9AcHFSoV7qHmDGQx92nLMw78XXdqVWQQWa",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "5011",
"amountUsd": 0.005011,
"maxTimeoutSeconds": 300
}
]Examples
curl
curl "https://x402engine.app/api/llm/deepseek"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paidJavaScript
const res = await fetch("https://x402engine.app/api/llm/deepseek");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://x402engine.app/api/llm/deepseek")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerDetails
- Provider
- x402engine.app
- Endpoint
- https://x402engine.app/api/llm/deepseek
- Machine-readable
/resources/31540.json