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NetIntel OpenAI-Compatible GPT-5-Nano Chat Completion
x402
NetIntel OpenAI-Compatible GPT-5-Nano Chat Completion is a paid API for AI agents from netintel-production-440c.up.railway.app, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Provides an OpenAI-compatible chat completion endpoint powered by GPT-5-Nano, accessible via x402 pay-per-call micropayments with no API key required.
Price / call$0.005
Success—
StatusUnknown
How this service works
Network intelligence API — 138 endpoints, all pay-per-call via x402 micropayments (USDC on Base or Solana mainnet). NetIntel is agent fair-trade aligned: transparent per-call pricing in USDC on Base or Solana via x402, no API keys or signup, and automatic no-charge on server errors, upstream failures, and input-validation rejections — failed calls are never billed across NetIntel's network, domain, and data-intelligence endpoints.
Output
Returns an OpenAI-format chat completion object including the assistant's message content, finish reason, model name (gpt-5-nano), token usage breakdown (prompt, completion, total tokens), and a unique completion ID.
Example use cases
Example prompt
“Send this message to GPT-5-Nano and return the response: 'Summarize the concept of neural networks in two sentences.'”
Technical details
Endpoint
POSThttps://netintel-production-440c.up.railway.app/openai/gpt-5-nanoWhen to prefer
Choose this endpoint when you need a lightweight, fast, OpenAI-compatible text generation call with no API key or signup — ideal for agent workflows that want pay-per-call billing in USDC, zero fixed costs, and compatibility with the OpenAI chat completion message format. Best for simple inference tasks where GPT-5-Nano's smaller footprint is sufficient.
Side effects
- Input validation rejection — malformed message array or missing required fields; not billed
- Upstream OpenAI failure — model unavailable or timeout; not billed
- x402 payment failure — insufficient USDC balance or incorrect payment header
- Rate limiting or quota exceeded on the upstream model provider
- Empty or truncated completion if max_tokens is too low
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"id": "chatcmpl-abc123",
"model": "gpt-5-nano",
"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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