{"uid":"cap_PlyrcobAUhnaG-5AseL1U","slug":"x402factory-ai-solanallmgpthfnptd5qqqamhb6ncf-f83c6a0d","name":"x402factory.ai Solana GPT Wrapper (HFNPTD5QQQAMHB6NCF)","description":"Solana GPT wrapper API using x402 payments. Default direct call: model gpt-5-mini, max_output_tokens=2000, fixed price 0.01 USDC for up to 1000 input tokens. For all other settings the price is computed per model as (input_tokens * input_price_per_million + max_output_tokens * output_price_per_million) / 1,000,000, with a minimum of 0.001 USDC and always rounded up to 6 decimals. Optional max_input_tokens lets you cap the input tokens used for pricing; if the message is longer than this cap the server returns an error instead of under-pricing. Optional action=message (or omitting action) performs a direct GPT call with the given message. Optional action=create creates a custom agent with the given message as preprompt for 0.001 USDC (no OpenAI call), stores a base_price_usdc using (max_input_tokens_for_agent or 1000) + preprompt + max_output_tokens, and returns a custom_id. Optional action=list lists up to 100 recent custom agents for the paying wallet for 0.001 USDC without calling OpenAI. Custom agents can be called via POST /solana/llm/gpt with custom_id, or POST /solana/llm/gpt/{custom_id}. Each custom agent has a fixed price per call based on its stored preprompt, model, max_output_tokens and max_input_tokens; if the runtime message is longer than max_input_tokens the server returns an error. Custom LLM agent HFNPTD5QQQAMHB6NCF on Solana. Model gpt-5.1, max_input_tokens=27000, max_output_tokens=12000. Preprompt preview (first 150 chars): \"You are a professional content summarization agent.  Your task is to produce a true summary of a spoken-content transcription (such as a podcast, vide\". Pricing mode: agent-per-token. Prepaid price (x402) for this request: 0.235294 USDC. Estimated input tokens for pricing: 27647.","url":"https://x402factory.ai/solana/llm/gpt/HFNPTD5QQQAMHB6NCF","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"unknown","protocol":"x402","network":"base","amountUsd":null,"per":"call","confidence":"unknown"},"accepted":[{"kind":"unknown","protocol":"x402","network":"base","amountUsd":null,"per":"call","confidence":"unknown"}]},"paymentMethods":[{"uid":"pm_IeSGqEYR2eAQGLE7346wX","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Provides GPT completions, custom agent creation, and agent listing via x402 USDC micropayments on Solana","exampleAgentPrompt":"Using the Solana x402 GPT endpoint, send the message 'Summarize the key risks of DeFi investing in 3 bullet points' with model gpt-4o, max_output_tokens set to 500, and cap input tokens at 200.","exampleUseCases":null,"resultDescription":"Returns the GPT model's text completion for the given message, or a custom_id when creating an agent, or a list of up to 100 recently created custom agents for the paying wallet. Also includes pricing metadata and token usage details.","failureModes":["Input message exceeds max_input_tokens cap — server returns error instead of under-pricing","Insufficient USDC balance for x402 payment — payment rejected before call is made","Invalid model name specified — returns error from OpenAI or wrapper","custom_id not found when calling a custom agent — returns not found error","action parameter value not recognized — returns bad request","OpenAI API downstream error — propagated as 5xx or error message"],"whenToPreferThis":"Use this endpoint when you need pay-per-use GPT completions billed in USDC via Solana x402 micropayments, especially when building Solana-native AI agents or workflows that require programmable, on-chain payment for each LLM call. Prefer this over standard OpenAI API when you need blockchain-settled billing, want to create reusable custom agents with preprompts, or are operating in a Solana wallet-based environment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:49:22.616Z","isFirstParty":false}