{"uid":"cap_oDT137jrTkdPYFvND0YEQ","slug":"kiteendpoints-ai-open-ai21-endpoint-88190426","name":"KiteEndpoints.ai - Open AI21 Endpoint","description":"400+ paid API endpoints. Social media, AI, crypto, finance, weather, ecommerce, tools. Pay per request with USDC on Base chain.","url":"https://kite-endpoints.vercel.app/api/open-ai21","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"object","example":{"result":{"data":"example response"}},"properties":{"result":{"type":"object","description":"API response data"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.15","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":"$0.15/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.15","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.15","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_E2YV_ycjYIfqhdGuUstg3","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.15","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Proxies requests to an AI21-based language model via the KiteEndpoints mega API hub, returning AI-generated text results for a per-call USDC fee.","exampleAgentPrompt":"Use the KiteEndpoints AI21 proxy to generate a short product description for a reusable stainless-steel water bottle — pay per request in USDC on Base.","exampleUseCases":[{"title":"AI-generated marketing copy","prompt":"Draft a punchy two-sentence tagline for my new eco-friendly yoga mat brand using the AI21 model via KiteEndpoints — I'll pay in USDC per call."},{"title":"Quick text summarization task","prompt":"Summarize the following paragraph into two sentences using the AI21 endpoint on KiteEndpoints: 'Quantum computing leverages quantum mechanical phenomena such as superposition and entanglement to process information in ways classical computers cannot...'"},{"title":"On-demand Q&A response generation","prompt":"Ask the AI21 model through KiteEndpoints to answer this customer FAQ: 'What is the difference between a Roth IRA and a traditional IRA?' and return the response."}],"resultDescription":"Returns a JSON object containing a result field with the AI21 model's generated text or inference output for the given input payload.","failureModes":["Payment not received or insufficient USDC balance — returns 402 Payment Required","Malformed input payload or missing required fields — returns 400 Bad Request","AI21 upstream service unavailable or rate-limited — returns 503 or 500 error","Invalid or expired payment authorization — returns 401 Unauthorized","Overly long input exceeding model context window — truncation or error response"],"whenToPreferThis":"Choose this endpoint when you need access to AI21's language models on a pay-per-request basis using USDC on the Base blockchain, without committing to a direct AI21 subscription or managing API keys. Particularly useful for agents operating in crypto-native environments or those that need occasional AI21 inference calls without a monthly plan.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T07:03:36.514Z","isFirstParty":false}