{"openapi":"3.1.0","info":{"title":"Argentina Dólar (Peso) FX API","version":"1.0.0","description":"Live Argentine peso (ARS) exchange rates across the country's many parallel dollar markets — served as clean JSON, no key, no cache. Argentina runs a famous multi-rate system: alongside the official rate there is the \"blue\" (informal/parallel) dollar, the MEP/bolsa and CCL (contado con liqui) financial dollars, the wholesale (mayorista) rate, the crypto dollar and the \"tarjeta\" tourist/card dollar (with taxes). Get the buy and sell rate for every one of these; pull a single dollar type; read the brecha — each rate's premium over the official dollar, the key indicator of Argentina's exchange-rate stress; or get other currencies (EUR, BRL, CLP, UYU) against the peso. Read live, nothing cached. This is Argentina's own multi-rate peso/dollar picture — distinct from the BCRA's official-only feed and from any single-rate central-bank API.","contact":{"name":"PremiumApi","url":"https://www.oanor.com/by/premiumapi"}},"servers":[{"url":"https://api.oanor.com/dolar-api","description":"oanor gateway"}],"tags":[{"name":"Dollars"},{"name":"Dollar"},{"name":"Brecha"},{"name":"Currencies"},{"name":"Meta"}],"components":{"securitySchemes":{"oanorKey":{"type":"apiKey","in":"header","name":"x-oanor-key","description":"Get your key at https://www.oanor.com/developer/keys"}}},"security":[{"oanorKey":[]}],"paths":{"/v1/dollars":{"get":{"operationId":"get_v1_dollars","tags":["Dollars"],"summary":"Buy/sell for every dollar type (oficial, blue, mep, ccl, mayorista, cripto, 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liquidación","sell":1509.7,"type":"contadoconliqui","updated":"2026-06-10T21:00:00.000Z"},{"buy":1422,"mid":1426.5,"name":"Mayorista","sell":1431,"type":"mayorista","updated":"2026-06-10T14:55:00.000Z"},{"buy":1500.1,"mid":1500.5,"name":"Cripto","sell":1500.9,"type":"cripto","updated":"2026-06-10T21:00:00.000Z"},{"buy":1826.5,"mid":1859,"name":"Tarjeta","sell":1891.5,"type":"tarjeta","updated":"2026-06-10T17:00:00.000Z"}]},"meta":{"timestamp":"2026-06-10T22:57:55.956Z","request_id":"30392b70-5c69-4daa-853f-2e3be8d97f9b"},"status":"ok","message":"Dollars retrieved successfully","success":true}}}},"401":{"description":"Missing or invalid x-oanor-key header"},"402":{"description":"Active subscription required"},"429":{"description":"Rate-limit or monthly quota reached"},"502":{"description":"Upstream did not respond"}}}},"/v1/dollar":{"get":{"operationId":"get_v1_dollar","tags":["Dollar"],"summary":"A single dollar 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parallel gap)","description":"","parameters":[],"security":[{"oanorKey":[]}],"responses":{"200":{"description":"OK","content":{"application/json":{"example":{"data":{"base":"USD","quote":"ARS","brecha":[{"name":"Tarjeta","sell":1891.5,"type":"tarjeta","premium_over_official_pct":30},{"name":"Contado con liquidación","sell":1509.7,"type":"contadoconliqui","premium_over_official_pct":3.7595},{"name":"Cripto","sell":1500.9,"type":"cripto","premium_over_official_pct":3.1546},{"name":"Bolsa","sell":1459.3,"type":"bolsa","premium_over_official_pct":0.2955},{"name":"Blue","sell":1450,"type":"blue","premium_over_official_pct":-0.3436},{"name":"Mayorista","sell":1431,"type":"mayorista","premium_over_official_pct":-1.6495}],"source":"dolarapi.com","official_sell":1455},"meta":{"timestamp":"2026-06-10T22:57:56.174Z","request_id":"6af34dc4-b0c2-4430-a1c9-cdb60581bfcc"},"status":"ok","message":"Brecha retrieved successfully","success":true}}}},"401":{"description":"Missing or invalid x-oanor-key header"},"402":{"description":"Active subscription required"},"429":{"description":"Rate-limit or monthly quota reached"},"502":{"description":"Upstream did not respond"}}}},"/v1/currencies":{"get":{"operationId":"get_v1_currencies","tags":["Currencies"],"summary":"Other currencies vs the peso (EUR, BRL, CLP, UYU)","description":"","parameters":[],"security":[{"oanorKey":[]}],"responses":{"200":{"description":"OK","content":{"application/json":{"example":{"data":{"base":"ARS","count":5,"source":"dolarapi.com","currencies":[{"buy":1405,"name":"Dólar","sell":1455,"updated":"2026-06-10T16:59:00.000Z","currency":"USD","ars_per_unit":1455},{"buy":1642.8614,"name":"Euro","sell":1656.8295,"updated":"2026-06-10T16:59:00.000Z","currency":"EUR","ars_per_unit":1656.8295},{"buy":276.4546,"name":"Real Brasileño","sell":276.6128,"updated":"2026-06-10T16:59:00.000Z","currency":"BRL","ars_per_unit":276.6128},{"buy":1.5691,"name":"Peso 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document.","GET /v1/brecha":"Each rate's premium over the official dollar (the parallel gap).","GET /v1/dollar":"A single dollar type (type=blue).","GET /v1/dollars":"Buy/sell for every dollar type (oficial, blue, mep, ccl, mayorista, cripto, tarjeta).","GET /v1/currencies":"Other currencies vs the peso (EUR, BRL, CLP, UYU)."},"description":"Live Argentine peso (ARS) exchange rates across the country's many parallel dollar markets. Argentina runs a famous multi-rate system: alongside the official rate there is the blue (informal/parallel) dollar, the MEP/bolsa and CCL financial dollars, the wholesale (mayorista) rate, the crypto dollar and the tarjeta tourist/card dollar (with taxes). The dollars endpoint returns the buy/sell rate for every type; the dollar endpoint returns a single type; the brecha endpoint returns each rate's premium over the official dollar (the key stress indicator); the currencies endpoint returns other currencies (EUR, BRL, CLP, UYU) against the peso. Live, no key, nothing stored. Distinct from the BCRA's official-only feed and from any single-rate central-bank API — this is Argentina's full multi-rate peso/dollar picture.","blue_sell_ars":1450,"upstream_status":"ok","oficial_sell_ars":1455},"meta":{"timestamp":"2026-06-10T22:57:56.438Z","request_id":"3a92d972-43fe-49e8-98c4-d366fc35761e"},"status":"ok","message":"Meta","success":true}}}},"401":{"description":"Missing or invalid x-oanor-key header"},"402":{"description":"Active subscription required"},"429":{"description":"Rate-limit or monthly quota reached"},"502":{"description":"Upstream did not respond"}}}}},"x-oanor-pricing":[{"slug":"free","name":"Free","price_cents_month":0,"monthly_call_quota":550,"rps_limit":2,"hard_limit":true},{"slug":"starter","name":"Starter","price_cents_month":760,"monthly_call_quota":23000,"rps_limit":8,"hard_limit":true},{"slug":"pro","name":"Pro","price_cents_month":2250,"monthly_call_quota":118000,"rps_limit":20,"hard_limit":true},{"slug":"business","name":"Business","price_cents_month":5500,"monthly_call_quota":580000,"rps_limit":40,"hard_limit":true}],"x-oanor-marketplace-url":"https://www.oanor.com/api/dolar-api"}