{"id":"571fcd0b-7bca-4e52-948c-41920f9d3739","shortId":"Cry2hG","kind":"mpp","title":"Pay-per-call cities lookup from the AviationStack aviation data API via MPP on Tempo L2.","tagline":"Pay-per-call cities lookup from the AviationStack aviation data API via MPP on Tempo L2.","description":"This endpoint provides a cities lookup service as part of the AviationStack suite, which covers real-time and historical flight tracking, airports, airlines, and schedules. The cities endpoint is accessible at `https://aviationstack.mpp.tempo.xyz/v1/cities` and is gated behind the Machine Payment Protocol (MPP) using the Tempo settlement method on chain ID 4217.\n\nEach request is charged per call (intent: \"charge\") at 5,000 base units of pathUSD (0x20c0…8b50 on Tempo L2, 6 decimals), which works out to $0.005 (half a cent) per request. The provider covers gas fees (feePayer: true), so callers only pay the data fee. Payment settles to recipient address 0xca4e835F803cB0b7C428222B3A3B98518d4779Fe.\n\nNo OpenAPI schema, documentation pages, or example responses were found on the provider's origin. The endpoint is confirmed live — it returns a well-formed 402 MPP challenge on GET. Based on the AviationStack upstream API, the cities endpoint likely returns paginated city records including city name, IATA code, country, latitude/longitude, and timezone, but the exact response schema for this MPP-wrapped version is unverified.","tags":["flights","aviation","tracking","airports","airlines"],"capabilities":["cities-lookup","aviation-data","mpp-payment","tempo-settlement","per-call-billing"],"categories":["geo","aviation","data"],"synonyms":["city search","airport city lookup","aviation cities","IATA city codes","flight city data","aviationstack cities","city information API"],"warnings":["No documentation or OpenAPI schema found — all doc paths return 404.","Response schema and supported query parameters are unknown; behavior is inferred from the upstream AviationStack API.","Currency contract address 0x20c0…8b50 assumed to be pathUSD with 6 decimals on Tempo chain 4217; if decimals differ, the stated price is wrong."],"endpointUrl":"https://aviationstack.mpp.tempo.xyz/v1/cities","protocol":"mpp","transport":"http","auth":{"type":"mpp","details":{"realm":"mpp.tempo.xyz","intent":"charge","method":"tempo","service_methods":{"tempo":{"assets":["0x20c000000000000000000000b9537d11c60e8b50"],"intents":["charge"]}}}},"qualityScore":"0.350","qualityRationale":"The endpoint is confirmed live with a valid 402 MPP challenge, and pricing is clear ($0.005/call in pathUSD on Tempo). However, no documentation, OpenAPI schema, or example responses are available — all crawled pages return 404. The response format and query parameters are entirely 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'0.005':114 '000':98 '0x20c0':103 '0xca4e835f803cb0b7c428222b3a3b98518d4779fe':139 '402':166 '4217':87 '5':97 '6':108 '8b50':104 'IATA city codes' 'access':65 'address':138 'airlin':58 'airport':57 'airport city lookup' 'api':12,29,176 'aviat':10,27 'aviation cities' 'aviation-data' 'aviationstack':9,26,46,174 'aviationstack cities' 'aviationstack.mpp.tempo.xyz':68 'aviationstack.mpp.tempo.xyz/v1/cities':67 'base':99,171 'behind':73 'call':4,21,93 'caller':128 'cent':117 'chain':85 'challeng':168 'charg':91,95 'citi':5,22,39,62,178,183,186 'cities-lookup' 'city information API' 'city search' 'code':189 'confirm':158 'countri':190 'cover':49,122 'data':11,28,132 'decim':109 'document':143 'endpoint':36,63,156,179 'exact':196 'exampl':146 'fee':124,133 'feepay':125 'flight':55 'flight city data' 'form':165 'found':149 'gas':123 'gate':72 'get':170 'half':115 'histor':54 'iata':188 'id':86 'includ':185 'intent':94 'l2':17,34,107 'latitude/longitude':191 'like':180 'live':159 'lookup':6,23,40 'machin':75 'method':83 'mpp':14,31,78,167,202 'mpp-payment' 'mpp-wrap':201 'name':187 'openapi':141 'origin':154 'page':144 'pagin':182 'part':43 'pathusd':102 'pay':2,19,130 'pay-per-cal':1,18 'payment':76,134 'per':3,20,92,118 'per-call-billing' 'protocol':77 'provid':37,121,152 'real':51 'real-tim':50 'recipi':137 'record':184 'request':89,119 'respons':147,197 'return':161,181 'schedul':60 'schema':142,198 'servic':41 'settl':135 'settlement':82 'suit':47 'tempo':16,33,81,106 'tempo-settlement' 'time':52 'timezon':193 'track':56 'true':126 'unit':100 'unverifi':206 'upstream':175 'use':79 'version':204 'via':13,30 'well':164 'well-form':163 'work':111 'wrap':203","prices":[{"id":"d880385a-e439-4793-bc50-717d64b94307","listingId":"571fcd0b-7bca-4e52-948c-41920f9d3739","amountUsd":"0.005","unit":"per_call","nativeCurrency":"pathUSD","nativeAmount":"5000","chain":"tempo","payTo":null,"paymentMethod":"mpp-tempo","isPrimary":true,"details":{"realm":"mpp.tempo.xyz","intent":"charge","method":"tempo","dynamic":false,"decimals":6,"unit_type":null,"amount_hint":null,"raw_payment":{"amount":"5000","intent":"charge","method":"tempo","currency":"0x20c000000000000000000000b9537d11c60e8b50","decimals":6,"description":"Cities lookup"},"asset_contract":"0x20c000000000000000000000b9537d11c60e8b50"},"createdAt":"2026-04-18T20:00:11.398Z"}],"sources":[{"listingId":"571fcd0b-7bca-4e52-948c-41920f9d3739","source":"mpp_dev","sourceId":"aviationstack:GET:/v1/cities","sourceUrl":"https://mpp.dev/api/services","isPrimary":true,"firstSeenAt":"2026-04-18T20:00:11.398Z","lastSeenAt":"2026-04-22T02:45:08.466Z"}],"details":{"listingId":"571fcd0b-7bca-4e52-948c-41920f9d3739","quickStartSnippet":"curl -X GET \"https://aviationstack.mpp.tempo.xyz/v1/cities\" \\\n  -H \"Authorization: Payment <tempo-payment-token>\"","exampleRequest":null,"exampleResponse":null,"schema":{"path":"/v1/cities","method":"GET","payment":{"amount":"5000","intent":"charge","method":"tempo","currency":"0x20c000000000000000000000b9537d11c60e8b50","decimals":6,"description":"Cities lookup"},"description":"Cities lookup"},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns a 402 MPP challenge with method=tempo, intent=charge, amount=5000, chainId=4217","source_url":"https://aviationstack.mpp.tempo.xyz/v1/cities"},{"claim":"Part of AviationStack: Real-time and historical flight tracking, airports, airlines, and schedules","source_url":"https://aviationstack.mpp.tempo.xyz/v1/cities"}],"useCases":["Look up city metadata (name, country, coordinates) for flight-related applications","Enrich airport or route data with associated city information","Build travel search interfaces that resolve city names and codes","Power autocomplete for city selection in booking or tracking tools"],"bestFor":["Agents needing on-demand city reference data for aviation workflows","Pay-per-call access without subscription commitments","Programmatic micropayment-based data retrieval on Tempo L2"],"notFor":["Bulk export of entire city databases (per-call pricing adds up)","Use cases requiring detailed city demographics or non-aviation metadata","Users who cannot settle payments on Tempo L2 (chain 4217)"],"kindDetails":{"tags":["flights","aviation","tracking","airports","airlines"],"realm":"mpp.tempo.xyz","status":"active","methods":{"tempo":{"assets":["0x20c000000000000000000000b9537d11c60e8b50"],"intents":["charge"]}},"provider":{"url":"https://aviationstack.com","name":"AviationStack"},"categories":["data"],"service_id":"aviationstack","integration":"third-party","service_name":"AviationStack","service_description":"Real-time and historical flight tracking, airports, airlines, and schedules."},"updatedAt":"2026-04-22T02:45:08.466Z"}}