{"uid":"cap_VyXNNsjAHcULBAkpO9mxy","slug":"x402factory-ai-solanallmgptyxpjpfb26csy6vtn3n-1fb25ad4","name":"x402factory Solana GPT Wrapper (YXPJPFB26CSY6VTN3N)","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 YXPJPFB26CSY6VTN3N on Solana. Model gpt-5.1, max_input_tokens=1000, max_output_tokens=2000. Preprompt preview (first 150 chars): \"You are a professional voice-over scriptwriter for short audio newsflashes.  Task: Read the provided list of crypto-related topics and generate a conc\". Pricing mode: agent-per-token. Prepaid price (x402) for this request: 0.032632 USDC. Estimated input tokens for pricing: 1316.","url":"https://x402factory.ai/solana/llm/gpt/YXPJPFB26CSY6VTN3N","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_-MkN7HIcRw5po_tHGXEPb","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":"Accepts a user message and returns a GPT response via an x402 micropayment-gated API on Solana, with optional custom agent creation and listing.","exampleAgentPrompt":"Send the message 'Summarize the history of the Roman Empire in 3 paragraphs' to the GPT model gpt-4o with max 500 output tokens, paying with my Solana USDC wallet via x402.","exampleUseCases":null,"resultDescription":"Returns a GPT-generated text response to the provided message, along with token usage details and the USDC amount charged. If action=create, returns a custom_id for the newly created agent. If action=list, returns up to 100 recent custom agents associated with the paying wallet.","failureModes":["Message exceeds max_input_tokens cap — server returns an error instead of under-pricing","Insufficient USDC balance for the x402 payment — payment rejected","Invalid model name specified — API returns an error","action parameter unrecognized — returns error","Network or Solana RPC failure causing payment timeout"],"whenToPreferThis":"Choose this endpoint when you need to call a GPT model and pay per-use with USDC on Solana via the x402 protocol, especially when building Solana-native AI agents or pay-per-call AI workflows. Also use it to create reusable preprompted custom agents stored on the platform.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:44:37.182Z","isFirstParty":false}