{"uid":"cap_q-p8w2eH4MInArIhFoIGL","slug":"singit-ask-gpt-5-6-sol-openai-3a98fe96","name":"SingIt Ask: GPT-5.6 Sol (OpenAI)","description":"SingIt Ask: GPT-5.6 Sol (OpenAI) chat completions with no API key or account, OpenAI-compatible. One of OpenAI's GPT-5.6 model variants: general-purpose chat, coding and reasoning. Call it when an agent needs GPT-5.6 Sol specifically.","url":"https://ask.singitai.app/v1/chat/gpt-5.6-sol?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"model":{"type":"string","examples":["deepseek-v4.1-flash","claude-opus-5.5","gpt-5.5","gemini-3.1-pro"],"description":"Any model id from GET /v1/models; the ceiling follows its price. Omit for the default model."},"stream":{"enum":[false],"type":"boolean","description":"Streaming is not offered."},"messages":{"type":"array","items":{"type":"object","required":["role","content"],"properties":{"role":{"enum":["system","user","assistant"],"type":"string"},"content":{"type":"string","description":"Plain text; all messages together under 24000 characters."}}},"maxItems":40,"minItems":1,"description":"The conversation, oldest first."},"max_tokens":{"type":"integer","default":800,"maximum":1200,"minimum":1,"description":"The longest answer, in tokens. The payment ceiling grows with it; the charge follows what was used."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0015","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.014546/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.014546","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.014546","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_J8UHNbeVqJwvZUdj906LB","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.014546","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Provides OpenAI GPT-5.6 Sol chat completions via an OpenAI-compatible API with no API key or account required, paid per-call via x402.","exampleAgentPrompt":"Using GPT-5.6 Sol, write me a Python function that parses a JSON file and extracts all keys with null values — keep the answer under 800 tokens.","exampleUseCases":[{"title":"Code review with GPT-5.6 Sol","prompt":"Ask GPT-5.6 Sol to review this Python snippet and suggest improvements for readability and efficiency: `for i in range(len(lst)): print(lst[i])` — cap the response at 600 tokens."},{"title":"Multi-turn reasoning conversation","prompt":"Start a conversation with GPT-5.6 Sol: first tell it you're designing a distributed caching system, then ask it to explain the trade-offs between write-through and write-behind caching strategies."},{"title":"Explain a complex concept simply","prompt":"Have GPT-5.6 Sol explain quantum entanglement to a 10-year-old in plain English, keeping the response under 400 tokens."}],"resultDescription":"Returns an OpenAI-compatible chat completion response containing the assistant's generated message, token usage counts, and finish reason. The response is non-streaming and capped at 1200 tokens maximum.","failureModes":["Payment not provided or insufficient USDC — x402 payment required error","Message content exceeds 24000 character limit across all messages — validation error","max_tokens exceeds 1200 — schema validation error","More than 40 messages provided — minItems/maxItems violation","Upstream OpenAI model unavailable — 5xx error propagated"],"whenToPreferThis":"Choose this endpoint when an agent specifically needs the GPT-5.6 Sol variant of OpenAI's GPT-5.6 family and does not have an OpenAI API key or wants pay-per-call billing via x402 USDC micropayments. Prefer over sibling endpoints (GPT-5.6 Terra, Claude, Gemini, etc.) when the task requires GPT-5.6 Sol's specific capabilities for general-purpose chat, coding, or reasoning.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T19:04:25.560Z","isFirstParty":false,"canonicalSlug":"singit-ask-gpt-5-6-sol-openai-3a98fe96"}