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netintel.dev GPT-5.4-mini Chat Completions (x402)
x402
netintel.dev GPT-5.4-mini Chat Completions (x402) is a paid API for AI agents from netintel.dev, paid per call via x402, $0.04/call, status unknown (last checked 2026-09-15).
Proxies a single OpenAI gpt-5.4-mini chat completion request via x402 pay-per-call at $0.04 USDC — no OpenAI account or API key required.
Price / call$0.04
Success—
StatusUnknown
How this service works
Call OpenAI's gpt-5.4-mini via a single pay-per-call x402 endpoint — no OpenAI account or API key needed, pay $0.04 per request in USDC. Standard OpenAI chat.completions request/response shape, capped input and output. Search terms: OpenAI, gpt-5.4-mini, chat completion, LLM, no API key.
Output
Returns a standard OpenAI chat.completion JSON object containing: an id, model name, created timestamp, object type ('chat.completion'), a choices array with the assistant's message and finish_reason, and a usage object with prompt_tokens, completion_tokens, and total_tokens. Output tokens are capped at 2048.
Example use cases
One-off LLM task in agent pipeline
“Use gpt-5.4-mini to classify this support ticket as 'billing', 'technical', or 'general' and give a one-sentence summary: 'I was charged twice this month and my account still shows unpaid.'”
Serverless content generation without OpenAI account
“I need gpt-5.4-mini to rewrite this paragraph in a friendlier, more casual tone — no OpenAI key, just pay per call: 'Your subscription has been terminated due to non-payment.'”
Agent reasoning step with capped cost
“Have gpt-5.4-mini decide which of these three marketing slogans best fits a coffee brand targeting millennials: 'Wake Up Different', 'Brewed Bold', 'Your Morning, Elevated' — explain its pick in two sentences.”
Technical details
Endpoint
POSThttps://netintel.dev/openai/gpt-5-4-miniWhen to prefer
Choose this endpoint when you need a single gpt-5.4-mini chat completion without setting up an OpenAI account or managing API keys, especially in agent pipelines where pay-per-call USDC micropayments via x402 are preferred over subscriptions. It is ideal for serverless, low-volume, or cost-controlled use cases where you want the OpenAI standard request/response shape with predictable $0.04/call pricing and no recurring billing.
Side effects
- Payment not received or insufficient USDC balance — x402 payment required error
- Input exceeds ~36000 character cap — request rejected or truncated
- max_completion_tokens set above 2048 — silently capped or rejected
- Malformed messages array missing required role or content fields — 400 validation error
- Upstream OpenAI API outage — 502/503 proxy error
- Network timeout on longer completions
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"id": "chatcmpl-abc123",
"model": "gpt-5.4-mini",
"usage": {
"total_tokens": 13,
"prompt_tokens": 11,
"completion_tokens": 2
},
"object": "chat.completion",
"choices": [
{
"index": 0,
"message": {
"role": "assistant",
"content": "Hi!"
},
"finish_reason": "stop"
}
],
"created": 1735689600
}
}Tags
x402
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