{"uid":"cap_ro2wHjuyzev4-Vjvd_yPT","slug":"x402factory-ai-solanallmgptxajual7vkcy2668mw2-94e33934","name":"x402factory-ai Solana GPT Wrapper (XAJUAL7VKCY2668MW2)","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=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 XAJUAL7VKCY2668MW2 on Solana. Model gpt-5-mini, max_input_tokens=2333, max_output_tokens=2352. Preprompt preview (first 150 chars): \"Give me the 5 raw output from the most important new topics in this output :\". Pricing mode: agent-per-token. Prepaid price (x402) for this request: 0.008000 USDC. Estimated input tokens for pricing: 2359.","url":"https://x402factory.ai/solana/llm/gpt/XAJUAL7VKCY2668MW2","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_R_p3_S-fOfodM8Uu_pmLo","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 pay-per-use access to OpenAI GPT models (default gpt-4o-mini) via x402 Solana USDC micropayments, with support for custom agent creation and listing","exampleAgentPrompt":"Ask the x402factory GPT endpoint to write me a 3-paragraph summary of the benefits of proof-of-stake consensus, using gpt-4o-mini with a max output of 500 tokens, paying with my Solana USDC wallet.","exampleUseCases":null,"resultDescription":"Returns the GPT model's text completion for the given message, along with token usage stats and the USDC amount charged. For action=create, returns a custom_id for the newly stored agent. For action=list, returns up to 100 recent custom agents associated with the paying Solana wallet.","failureModes":["Input message exceeds max_input_tokens cap — server returns error instead of processing","Insufficient USDC balance in Solana wallet — x402 payment fails and request is rejected","Invalid or unknown custom_id — returns error when calling a non-existent custom agent","Unsupported model name provided — OpenAI returns an error propagated back","Truncated or malformed request body — returns 400 bad request","x402 facilitator unavailable — payment cannot be verified, request blocked"],"whenToPreferThis":"Choose this endpoint when you need GPT completions billed automatically per-token via Solana USDC micropayments (x402 protocol), especially when building agents that self-fund API calls on-chain. Prefer it over standard OpenAI direct access when you want Solana-native payment flows, or when you need to create and reuse preprompted custom agents identified by a custom_id without managing OpenAI API keys yourself.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:42:02.971Z","isFirstParty":false}