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SingIt Ask – GPT-5.6 Terra (OpenAI)
x402
SingIt Ask – GPT-5.6 Terra (OpenAI) is a paid API for AI agents from ask.singitai.app, paid per call via x402, $0.009125/call, status unknown (last checked 2026-10-30).
Provides OpenAI GPT-5.6 Terra chat completions via a pay-per-call x402 endpoint, no API key or account required.
Price / call$0.009125
Success—
StatusUnknown
How this service works
SingIt Ask: GPT-5.6 Terra (OpenAI) chat completions with no API key or account, OpenAI-compatible. Another GPT-5.6 variant from OpenAI: general-purpose chat, coding and reasoning. Call it when an agent needs GPT-5.6 Terra specifically.
Output
A JSON object following the OpenAI chat completions schema, containing the assistant's reply text, token usage counts, model identifier, and finish reason. The response is non-streaming and capped at the requested max_tokens (up to 1200).
Example use cases
On-demand coding review via GPT-5.6
“Can you send this JavaScript snippet to GPT-5.6 Terra and ask it to find any bugs and suggest a cleaner implementation? Keep the reply under 1000 tokens.”
Multi-turn reasoning conversation
“I want to have a back-and-forth reasoning session with GPT-5.6 Terra about the trolley problem — start with my question: 'Is it ethical to sacrifice one person to save five?' and let it reason through it, up to 800 tokens.”
Quick factual question without OpenAI account
“Ask GPT-5.6 Terra: 'What are the key differences between transformer and state-space models?' — I need a concise answer, max 600 tokens, and I don't have an OpenAI account to use directly.”
Technical details
Endpoint
POSThttps://ask.singitai.app/v1/chat/gpt-5.6-terra?utm_source=zero.xyzWhen to prefer
Choose this endpoint when an agent specifically requires GPT-5.6 Terra from OpenAI and has no OpenAI API key or account, or when paying per-call via x402 USDC micropayments on Base or Solana is preferred over subscription billing. Ideal for lightweight, occasional requests where setting up an OpenAI account is impractical or for agents operating in a fully decentralized, account-free payment environment.
Side effects
- Payment not received or insufficient USDC — returns 402 Payment Required
- Messages exceed 24000 character limit — returns 400 with validation error
- max_tokens exceeds maximum of 1200 — returns 400
- Conversation has more than 40 messages — returns 400
- Upstream OpenAI model unavailable — returns 503 or 502
- Invalid role value in messages array — returns 400 schema validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| model | string | Any model id from GET /v1/models; the ceiling follows its price. Omit for the default model. |
| stream | boolean | Streaming is not offered. |
| messages | array | The conversation, oldest first. |
| max_tokens | integer | The longest answer, in tokens. The payment ceiling grows with it; the charge follows what was used. |
Tags
x402
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