{"uid":"cap_yeXjoYF4gGK9yCpeW4nbT","slug":"fastaf-google-flights-search-api-a1efabd1","name":"FastAF Google Flights Search API","description":"Google Flights search API for AI agents: itineraries and current fares as JSON between two airports given as IATA codes, one way or round trip. For travel planning and fare comparison; it does not book tickets. Provided by Google Flights. Price: $0.005000 USDC per successful call. Docs: https://fastaf.co","url":"https://api.fastaf.co/x402/v1/flights?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["departure_id","arrival_id","outbound_date"],"properties":{"gl":{"type":"string"},"hl":{"type":"string"},"type":{"enum":["1","2"],"type":"string"},"adults":{"type":"integer"},"currency":{"type":"string"},"arrival_id":{"type":"string"},"return_date":{"type":"string"},"departure_id":{"type":"string"},"travel_class":{"enum":["1","2","3","4"],"type":"string"},"outbound_date":{"type":"string"}}}}},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"best_flights":{"type":"array","items":{"type":"object","properties":{"price":{"type":"number"},"flights":{"type":"array","items":{"type":"object","properties":{"arrival_airport":{"type":"object","properties":{"id":{"type":"string"}}},"departure_airport":{"type":"object","properties":{"id":{"type":"string"}}}}}}}}}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_j3RWNX5fzKIIsCx-8h_Pz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns Google Flights itineraries and current fares as JSON for one-way or round-trip routes between two IATA airport codes","exampleAgentPrompt":"Search Google Flights for the cheapest round-trip economy class fares from JFK to LAX departing June 15 and returning June 22, for 2 adults, prices in USD.","exampleUseCases":[{"title":"Weekend getaway fare comparison","prompt":"Find me the best one-way flight options from SFO to LAS on Friday July 11 for 1 adult in economy — show me the cheapest fares available."},{"title":"International business travel planning","prompt":"Search Google Flights for round-trip business class tickets from ORD to LHR departing August 4 and returning August 11 for 1 adult, prices in GBP."},{"title":"Family vacation flight search","prompt":"What are the cheapest round-trip economy flights from BOS to MCO for 4 adults, leaving December 20 and coming back December 27? I want fares in USD."}],"resultDescription":"A JSON object containing a best_flights array with itineraries, each listing price, airline, departure and arrival airport codes, flight segments, and schedule details sourced from Google Flights data.","failureModes":["Invalid or unsupported IATA airport codes return an error or empty results","Missing required parameters (departure_id, arrival_id, outbound_date) cause a 400-level error","Round-trip requests missing return_date may fail or default to one-way","Dates in the past or incorrectly formatted dates return no results","Payment failure or insufficient USDC balance results in a 402 error blocking the call"],"whenToPreferThis":"Choose this endpoint when you need structured, up-to-date Google Flights fare data as JSON for agent-driven travel planning or fare comparison between any two airports worldwide. It is ideal for AI agents that need to programmatically retrieve and compare flight options without scraping and without booking. Prefer it over general web search endpoints when you specifically need structured flight itinerary and pricing data keyed by IATA codes.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:35:58.006Z","isFirstParty":false,"canonicalSlug":"fastaf-google-flights-search-api-a1efabd1"}