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NetIntel GPT-5.4 Chat Completions (via x402)
x402
NetIntel GPT-5.4 Chat Completions (via x402) is a paid API for AI agents from netintel-production-440c.up.railway.app, paid per call via x402, $0.25/call, status unknown (last checked 2026-09-14).
Provides OpenAI GPT-5.4 chat completions via pay-per-call x402 micropayments, returning assistant responses to multi-turn conversation messages.
Price / call$0.25
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-compatible chat.completion JSON object containing the assistant's reply in choices[0].message.content, along with finish_reason, token usage breakdown (prompt_tokens, completion_tokens, total_tokens), model name (gpt-5.4), a unique completion ID, and a Unix creation timestamp.
Example use cases
Anonymous AI coding help
“Send this to GPT-5.4 without me needing to set up an API key: system message is 'You are an expert Python developer', and my question is 'How do I efficiently read a large CSV file line by line in Python without loading it all into memory?' Keep the answer under 500 tokens.”
Agent-to-agent sub-task delegation
“I need to delegate a sub-task to GPT-5.4 via the NetIntel pay-per-call endpoint — ask it: 'Given this JSON schema, write a TypeScript interface that matches it exactly,' and pass the schema I've attached as the user message. Limit the response to 1000 tokens.”
On-demand content drafting
“Use the GPT-5.4 chat endpoint to draft a short LinkedIn post for me — set the system prompt to 'You are a professional content writer' and the user message to 'Write a 3-sentence LinkedIn post announcing that our startup just closed a $2M seed round focused on AI infrastructure.' Cap the output at 200 tokens.”
Technical details
Endpoint
POSThttps://netintel-production-440c.up.railway.app/openai/gpt-5-4When to prefer
Choose this endpoint when you need GPT-5.4 chat completions without an OpenAI account or API key, want pay-per-call USDC billing via x402 with no subscription, need automatic no-charge guarantees on failed or errored calls, or are building an agent that requires anonymous, crypto-native LLM access on Base or Solana mainnet.
Side effects
- Input validation failure (malformed messages array or missing required fields) — not billed
- Upstream OpenAI service error — not billed, server error returned
- Input exceeds ~96,000 character cap — rejected with validation error
- max_completion_tokens exceeds 4096 cap — clamped or rejected
- Payment failure via x402 — call not processed
- Model returns finish_reason 'length' if token limit reached before natural completion
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"id": "chatcmpl-abc123",
"model": "gpt-5.4",
"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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