{"uid":"cap_9dcUgZ0dTfNJnII2yF_u3","slug":"whatchuneed-llm-think-reasoning-enhanced-text-generation-4aa9b99b","name":"WhatChuNeed LLM Think — Reasoning-Enhanced Text Generation","description":"320+ pay-per-call API endpoints across accommodation, LLM, code execution, crypto, medical, finance, and more. One API, one payment. Powered by x402 protocol.","url":"https://whatchuneed.vercel.app/api/llm/think","method":"POST","headers":{},"bodySchema":{"type":"object","required":["prompt"],"properties":{"prompt":{"type":"string"},"context":{"type":"string"}}},"responseSchema":{"type":"object","properties":{"model":{"type":"string"},"response":{"type":"string"},"reasoning":{"type":"string"},"tokens_used":{"type":"integer"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_jhtKyUbrFE2gcc--WAzFC","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Sends a prompt (with optional context) to an LLM with extended reasoning/thinking capabilities and returns a response along with the model's reasoning trace and token usage.","exampleAgentPrompt":"Think through this carefully and show me your reasoning: given that a train leaves Station A at 60 mph and another leaves Station B at 80 mph 120 miles apart, when and where do they meet? Use the thinking endpoint so I can see how you worked it out.","exampleUseCases":[{"title":"Step-by-step logic puzzle solving","prompt":"I need you to think through this logic puzzle step by step and show me your reasoning: there are 5 houses in a row, each a different color, and I need to figure out who owns the fish. Here are all the clues: [clues]. Walk me through how you arrived at the answer."},{"title":"Complex decision reasoning assistant","prompt":"Help me think through whether I should accept this job offer — it pays 20% more but requires relocating from Austin to Seattle and I'd be switching from a senior IC role to a manager role. Show me the reasoning behind your recommendation."},{"title":"Code architecture justification","prompt":"I'm debating between a microservices architecture and a monolith for my new SaaS app — it's a B2B tool expecting maybe 500 users in year one. Can you reason through the tradeoffs carefully and tell me what you'd recommend and why?"}],"resultDescription":"Returns a JSON object containing the model name used, the full text response, a reasoning/thinking trace showing the model's internal chain of thought, and the total number of tokens consumed by the request.","failureModes":["Missing required 'prompt' field returns a 400-level error","Prompt too long may exceed model context limits and fail","Payment not provided or insufficient USDC causes a 402 Payment Required response","Model may timeout on very long reasoning chains","Context field may be silently truncated if combined length exceeds limits"],"whenToPreferThis":"Choose this endpoint when you specifically need to expose or inspect the model's reasoning trace alongside its final answer — useful for debugging agent decisions, educational explanations, or tasks where chain-of-thought transparency matters. Prefer over a basic LLM completion endpoint when reasoning quality and traceability are more important than raw speed or cost.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:56:50.390Z","isFirstParty":false}