{
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    "name": "Fixer Conversion Fluctuation API",
    "description": "Fixer is a lightweight JSON API for real-time and historical foreign exchange\nrates and currency conversion. Sourced primarily from the European Central Bank\nand 15+ other exchange rate data providers, Fixer supports 170+ world currencies.\n\nThe API is delivered via the APILayer marketplace. All requests authenticate via\nan `apikey` HTTP header. The free tier is limited to 100 requests per month and\nis HTTP-only; HTTPS encryption and source-currency switching become available on\nthe Basic plan and above.\n\n\nContact Support:\n Name: Fixer Support",
    "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json",
    "createdAt": "2026-07-28T01:40:06.000Z",
    "updatedAt": "2026-07-28T01:40:06.000Z",
    "lastUpdatedBy": "35240",
    "uid": "35240-821cae94-2dd1-48d5-a072-94ac6ad4d3ee"
  },
  "item": [
    {
      "name": "fluctuation",
      "item": [
        {
          "name": "Get Fluctuation Data",
          "id": "596744a9-adf3-4cb4-9a82-7dc962fe0a44",
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          },
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            "header": [
              {
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            "url": {
              "raw": "{{baseUrl}}/fluctuation?start_date=<date>&end_date=<date>&base=<string>&symbols=<string>",
              "host": [
                "{{baseUrl}}"
              ],
              "path": [
                "fluctuation"
              ],
              "query": [
                {
                  "description": "(Required) Start date for the fluctuation window (YYYY-MM-DD).",
                  "key": "start_date",
                  "value": "<date>"
                },
                {
                  "description": "(Required) End date for the fluctuation window (YYYY-MM-DD).",
                  "key": "end_date",
                  "value": "<date>"
                },
                {
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                  "key": "base",
                  "value": "<string>"
                },
                {
                  "description": "Comma-separated list of ISO 4217 currency codes to limit the result set.",
                  "key": "symbols",
                  "value": "<string>"
                }
              ]
            },
            "description": "Returns fluctuation data (start rate, end rate, change, change_pct) between two\ndates for any supported currency pair. Available on Professional Plus and above.\n"
          },
          "response": [
            {
              "id": "639778f6-8618-45ff-904c-5b4ee724aae7",
              "name": "Per-currency fluctuation summary for the requested window.",
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                    {
                      "description": "(Required) End date for the fluctuation window (YYYY-MM-DD).",
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                    },
                    {
                      "description": "Three-letter ISO 4217 base currency code. Defaults to EUR on the Free plan;\nany base currency may be selected on Basic plan and above.\n",
                      "key": "base",
                      "value": "<string>"
                    },
                    {
                      "description": "Comma-separated list of ISO 4217 currency codes to limit the result set.",
                      "key": "symbols",
                      "value": "<string>"
                    }
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              "code": 200,
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              "responseTime": null,
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                    {
                      "description": "(Required) End date for the fluctuation window (YYYY-MM-DD).",
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                    {
                      "description": "Three-letter ISO 4217 base currency code. Defaults to EUR on the Free plan;\nany base currency may be selected on Basic plan and above.\n",
                      "key": "base",
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                    },
                    {
                      "description": "Comma-separated list of ISO 4217 currency codes to limit the result set.",
                      "key": "symbols",
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                "url": {
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                    {
                      "description": "(Required) End date for the fluctuation window (YYYY-MM-DD).",
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                      "description": "Three-letter ISO 4217 base currency code. Defaults to EUR on the Free plan;\nany base currency may be selected on Basic plan and above.\n",
                      "key": "base",
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                      "description": "Comma-separated list of ISO 4217 currency codes to limit the result set.",
                      "key": "symbols",
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                    "key": "apikey",
                    "value": "<API Key>"
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                "url": {
                  "raw": "{{baseUrl}}/fluctuation?start_date=<date>&end_date=<date>&base=<string>&symbols=<string>",
                  "host": [
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                  "path": [
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                  "query": [
                    {
                      "description": "(Required) Start date for the fluctuation window (YYYY-MM-DD).",
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                    },
                    {
                      "description": "(Required) End date for the fluctuation window (YYYY-MM-DD).",
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                    {
                      "description": "Three-letter ISO 4217 base currency code. Defaults to EUR on the Free plan;\nany base currency may be selected on Basic plan and above.\n",
                      "key": "base",
                      "value": "<string>"
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                      "description": "Comma-separated list of ISO 4217 currency codes to limit the result set.",
                      "key": "symbols",
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}