https://x402engine.app/api/llm/deepseek-v4-flash-0731POST /api/llm/deepseek-v4-flash-0731 · x402 API by x402engine
DeepSeek's re-post-trained V4 Flash revision — substantially enhanced agentic capabilities, coding, and reasoning with 1M context
What does this x402 API do?
https://x402engine.app/api/llm/deepseek-v4-flash-0731. This is an x402-gated POST API resource from x402engine. TOLL·402 did not invoke this route automatically because doing so was not considered safe. No normalized USD price is recorded; the listing names eip155:4326 and Base and Solana. No settled paid call has been verified.
- Published price
- No normalized USD price is recorded
- Networks
- eip155:4326 · Base · Solana
- Latest evidence
- TOLL·402 did not invoke this route automatically because doing so was not considered safe
- Resource ID
- 6b5d0b324f9e0cb686df0167
Start with a quote-only recipe. Payment signing stays in your project.
const response = await fetch("https://x402engine.app/api/llm/deepseek-v4-flash-0731", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({
"type": "http",
"method": "POST",
"bodyType": "json",
"bodyFieldNames": [
"max_tokens",
"messages"
],
"pathParamNames": [],
"queryParamNames": []
}),
});
console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));
// A valid 402 is a quote, not a completed paid call.Review the provider input schema before running this non-read-only method. No payment code is included.
- Observed in cdp-bazaar
The registry record was observed and retained with provenance.
- Observed in 402-index
Discovered through bazaar.
- Exact route checked
not safely testable · potentially-mutating-method:POST
- Registry record checked
Registry health: healthy.
- Origin reachable
HEAD https://x402engine.app/ returned 200.
What evidence supports this listing?
Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call. Read the discovery and verification methodology →
Which networks and payment options does it accept?
The normalized listing price is No normalized USD price is recorded. Raw protocol requirements remain visible below for implementation and audit use.