{"uid":"cap_hJW4OYd0dHuVOoJrkaGc5","slug":"fastapi-online-graphql-schema-generator-c0255f69","name":"fastapi.online — GraphQL Schema Generator","description":"Chat, embeddings, OCR, speech-to-text, image editing, image understanding (captioning/Q&A), text-to-speech, translation, writing tools, classification tools, developer tools, local utilities, format/checksum validators, encoding & crypto utilities, date/time calculators, geo/coordinate math, math & finance calculators, novelty tools, and business/social writing generators — 179 endpoints in all, across multiple specialized self-hosted models. Pay per call with crypto — no signup — or get an API key.","url":"https://api.fastapi.online/generate-graphql","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"description":{"type":"string","maxLength":2000,"minLength":2,"description":"the API to model"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.006","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":"$0.006/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_eCpP1rQJKYPN93vSNNhNs","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.006","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates a GraphQL schema from a plain-English description of an API","exampleAgentPrompt":"Generate a GraphQL schema for a blog platform API that has users, posts, and comments — users can create posts and comments, and posts can be liked.","exampleUseCases":[{"title":"Scaffold a GraphQL API for a SaaS product","prompt":"I'm building a project management SaaS — can you generate a GraphQL schema for an API with workspaces, projects, tasks, and team members, where tasks have assignees, due dates, and status fields?"},{"title":"Prototype a GraphQL e-commerce backend","prompt":"Generate a GraphQL schema for an e-commerce API with products, categories, customers, orders, and order line items, including mutations for placing orders and updating inventory."},{"title":"Convert an existing REST API concept to GraphQL","prompt":"I have a social media API with users, posts, followers, likes, and notifications — can you generate a GraphQL schema that models all those relationships with appropriate queries and mutations?"}],"resultDescription":"Returns a GraphQL schema (SDL format) with type definitions, queries, mutations, and relationships derived from the plain-English API description provided. Includes types, fields with scalar types, and likely input types for mutations.","failureModes":["Description too vague — schema may be incomplete or miss key relationships","Description exceeds 2000 character limit — request rejected","Ambiguous domain terms may produce incorrect field types or relationships","Payment failure via x402 — endpoint returns 402 if no valid payment attached","Generated schema may not compile without minor manual corrections for edge cases"],"whenToPreferThis":"Choose this endpoint when you need a quick GraphQL SDL scaffold from a natural language description without writing boilerplate manually. Ideal for prototyping, developer tooling agents, or situations where you want a starting point for a GraphQL API. No signup required — pay per call with USDC. Prefer alternatives if you need OpenAPI/REST schema generation, strict validation of the output schema, or integration with a specific GraphQL framework's conventions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:57:07.074Z","isFirstParty":false}