{"id":"f63a5359-7fb4-40a7-a92a-c5bfcd4c51e8","shortId":"W8jaCd","kind":"mpp","title":"Live, historical, and conversion exchange rates for 150+ currencies via MPP micropayment.","tagline":"Live, historical, and conversion exchange rates for 150+ currencies via MPP micropayment.","description":"This MPP endpoint provides live foreign-exchange rates for over 150 currencies, powered by Abstract API's exchange-rate data and served through the Locus MPP (Micropayment Protocol) gateway. The service exposes three operations across sibling paths: live rates (`/abstract-exchange-rates/live`), historical rates (`/abstract-exchange-rates/historical`), and currency conversion (`/abstract-exchange-rates/convert`). Each call is a POST with a JSON body specifying a base currency and optional target currency.\n\nPayment is per-call (intent: charge) settled on Tempo L2 in pathUSD. The advertised amount is 6 000 base units; assuming pathUSD uses 6 decimals, this equals $0.006 (six-tenths of a cent) per request. The currency contract address listed is `0x20c000000000000000000000b9537d11c60e8b50`.\n\nThe probe returned 404 on HEAD and GET, which is expected because the OpenAPI spec declares the endpoint as POST-only. The endpoint should be considered live for POST requests. No response-body schema or example responses are documented in the OpenAPI spec, so the exact shape of returned data must be inferred from Abstract API's upstream documentation.","tags":["forex","exchange-rates","currency-conversion"],"capabilities":["live-exchange-rates","historical-exchange-rates","currency-conversion","150-plus-currencies","per-call-micropayment","tempo-l2-settlement"],"categories":["data","finance"],"synonyms":["forex rates","currency exchange API","FX rates","exchange rate lookup","currency converter","foreign exchange","abstract exchange rates","live forex"],"warnings":["Probe returned 404 because it tested HEAD/GET; the endpoint is POST-only per the OpenAPI spec — liveness for POST is not directly confirmed by the probe.","No response schema or example response is documented; consumers must rely on Abstract API upstream docs.","The pathUSD decimals (6) and the currency contract address are assumed standard but not independently verified.","Crawl yielded no usable documentation pages from the provider's domain."],"endpointUrl":"https://abstract-exchange-rates.mpp.paywithlocus.com/abstract-exchange-rates/live","protocol":"mpp","transport":"http","auth":{"type":"mpp","details":{"realm":"abstract-exchange-rates.mpp.paywithlocus.com","intent":"charge","method":"tempo","service_methods":{"tempo":{"assets":["0x20c000000000000000000000b9537d11c60e8b50"],"intents":["charge"]}}}},"qualityScore":"0.520","qualityRationale":"The OpenAPI spec is well-structured with three documented paths, clear request schemas, and payment metadata. However, no response schema or example responses are provided, the probe only tested HEAD/GET (which return 404 on this POST-only endpoint), and the crawl pages all returned generic 404 JSON. The pathUSD decimals assumption is standard but unconfirmed for this specific contract 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