{"uid":"cap_ESUxcaPzs43h14aT4M74W","slug":"fastapi-online-yaml-to-json-converter-6d41070e","name":"fastapi.online YAML to JSON Converter","description":"Chat, embeddings, OCR, speech-to-text, image editing, image understanding (captioning/Q&amp;A), text-to-speech, translation, writing tools, classification tools, developer tools, local utilities, format/checksum validators, encoding &amp; crypto utilities, date/time calculators, geo/coordinate math, math &amp; 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/yaml-to-json","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"yaml":{"type":"string","maxLength":100000}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0005","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":"$0.0005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_rlhdW0XBfIQVWBSCeSuJ8","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts a YAML string into its JSON equivalent, paying per call with crypto via x402.","exampleAgentPrompt":"Can you convert this YAML to JSON for me? Here's the content: 'name: Alice\\nage: 30\\nroles:\\n  - admin\\n  - editor'","exampleUseCases":[{"title":"Kubernetes manifest to JSON","prompt":"I have a Kubernetes deployment YAML and I need it in JSON format so I can feed it into a REST API — here it is: 'apiVersion: apps/v1\\nkind: Deployment\\nmetadata:\\n  name: my-app'. Can you convert it?"},{"title":"OpenAPI spec format conversion","prompt":"My OpenAPI spec is in YAML but the tool I'm using only accepts JSON. Can you convert this YAML spec to JSON for me? Here's the YAML: 'openapi: 3.0.0\\ninfo:\\n  title: My API\\n  version: 1.0.0'"},{"title":"Config file reformatting for CI pipeline","prompt":"I need to reformat my CI pipeline config from YAML to JSON. Please convert this: 'pipeline:\\n  stages:\\n    - build\\n    - test\\n    - deploy'"}],"resultDescription":"A JSON-formatted string equivalent of the provided YAML input, preserving all keys, values, nesting, and data types from the original YAML document.","failureModes":["Invalid or malformed YAML returns a parse error","YAML exceeding 100,000 characters is rejected","YAML with tab indentation issues may fail parsing","Payment not provided or insufficient USDC balance results in 402 response"],"whenToPreferThis":"Choose this endpoint when you need a quick, pay-per-call YAML-to-JSON conversion without signing up for an account, especially useful in automated pipelines or agentic workflows where you need on-demand format conversion billed via crypto.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T07:02:30.085Z","isFirstParty":false}