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GPT Chat Completions via gpt.558686.xyz
x402
GPT Chat Completions via gpt.558686.xyz is a paid API for AI agents from gpt.558686.xyz, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-02).
Accepts a natural language prompt and returns an AI-generated chat completion response via a GPT-compatible endpoint.
Price / call$0.05
Success—
StatusUnknown
Output
Returns an AI-generated text completion responding to the provided prompt. The response typically mirrors the format of an OpenAI chat completions API response, containing the model's generated message text based on the input task or question.
Example use cases
AI-drafted customer support reply
“Write a professional and empathetic reply to this customer complaint: 'I've been waiting three weeks for my order and nobody has responded to my emails.'”
Code explanation for non-technical stakeholder
“Explain what this Python function does in plain English so a non-technical manager can understand it: 'def calculate_churn_rate(lost, total): return (lost / total) * 100'”
Brainstorm marketing taglines
“Give me five punchy marketing taglines for a new eco-friendly water bottle brand called 'Ripple' targeting young urban professionals.”
Technical details
Endpoint
GEThttps://gpt.558686.xyz/v1/chat/completions?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a pay-per-call GPT-compatible chat completion without managing API keys or subscriptions, and you are already operating in an x402 micropayment-enabled agent environment. It is suitable for lightweight agentic tasks where per-call billing at $0.05 USDC is acceptable.
Side effects
- Missing or empty input prompt returns an error or empty response
- Payment not fulfilled via x402 protocol results in 402 Payment Required
- Malformed params object may cause unexpected behavior or ignored parameters
- Model unavailable or backend timeout may result in a 503 or timeout error
- Rate limiting may apply if the endpoint is overloaded
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| model | string | One of gpt-6-sol, gpt-6-astra, gpt-5.5, gpt-5.6-sol, gpt-5.6-terra (defaults to gpt-6-sol) |
| stream | boolean | Streaming is accepted but currently delivered as a single response |
| messages | array | OpenAI-style messages array (required) |
| max_tokens | integer | |
| temperature | number | |
| response_format | object |
Tags
x402
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