now it will look for the closest data to the day that is consulted

src/index.js

@@ -8,28 +8,41 @@ const getUTM = require("./indicators/getUTM");
 const getIPC = require("./indicators/getIPC");
 
 /**
- * It fetches data from the Central Bank of Chile's API, merges it into a single object, and returns it
+ * It fetches data from the Central Bank of Chile's API, and returns a single object with all the data
+ * @returns An object with the following structure:
+ * {
+ *     UF: {
+ *         date: "2020-04-01",
+ *         value: 28.8
+ *     },
+ *     USD: {
+ *         date: "2020-04-01",
+ *         value: 755.5
+ *     },
+ *     EUR: {
+ *         date: "2020-04-01",
  */
 const main = async () => {
-    const today = dayjs().format("YYYY/MM/[dias]/DD");
-    const thisMonth = dayjs().format("YYYY/MM");
+    const sevenDaysAgo = dayjs().subtract(7, "day").format("YYYY/MM/[dias]/DD");
     const lastMonth = dayjs().subtract(1, "month").format("YYYY/MM");
+    const twoMonthBefore = dayjs().subtract(2, "month").format("YYYY/MM");
 
     const [ufData, usdData, eurData, utmData, ipcData] = await Promise.all([
-        getUF(today),
-        getUSD(today),
-        getEUR(today),
-        getUTM(thisMonth),
-        getIPC(lastMonth),
+        getUF(sevenDaysAgo),
+        getUSD(sevenDaysAgo),
+        getEUR(sevenDaysAgo),
+        getUTM(lastMonth),
+        getIPC(twoMonthBefore),
     ]);
 
     const mergedData = {
-        ...ufData,
-        ...usdData,
-        ...eurData,
-        ...utmData,
-        ...ipcData,
+        UF: ufData,
+        USD: usdData,
+        EUR: eurData,
+        UTM: utmData,
+        IPC: ipcData,
     };
+
     return mergedData;
 };
 

src/indicators/getEUR.js

@@ -1,18 +1,22 @@
 require("dotenv").config();
 const axios = require("axios");
+const dayjs = require("dayjs");
 
 const memoryCache = require("../cache");
 
 /**
- * It makes a request to the CMF API and returns the data
+ * It gets the latest EUR exchange rate from the Chilean Central Bank API
  * @param date - The date you want to get the EUR for.
- * @returns The data is being returned.
+ * @returns The latest EUR value
  */
 const getEURWithoutCache = async (date) => {
     const { data } = await axios.get(
-        `https://api.cmfchile.cl/api-sbifv3/recursos_api/euro/${date}?apikey=${process.env.CMF_API_KEY}&formato=json`
+        `https://api.cmfchile.cl/api-sbifv3/recursos_api/euro/posteriores/${date}?apikey=${process.env.CMF_API_KEY}&formato=json`
     );
-    return data;
+    const [latest] = data.Euros.sort(
+        (fecha) => -1 * dayjs().diff(dayjs(fecha["Fecha"]))
+    );
+    return latest;
 };
 
 /**

src/indicators/getIPC.js

@@ -1,5 +1,6 @@
 require("dotenv").config();
 const axios = require("axios");
+const dayjs = require("dayjs");
 
 const memoryCache = require("../cache");
 
@@ -10,9 +11,12 @@ const memoryCache = require("../cache");
  */
 const getIPCWithoutCache = async (date) => {
     const { data } = await axios.get(
-        `https://api.cmfchile.cl/api-sbifv3/recursos_api/ipc/${date}?apikey=${process.env.CMF_API_KEY}&formato=json`
+        `https://api.cmfchile.cl/api-sbifv3/recursos_api/ipc/posteriores/${date}?apikey=${process.env.CMF_API_KEY}&formato=json`
     );
-    return data;
+    const [latest] = data.IPCs.sort(
+        (fecha) => -1 * dayjs().diff(dayjs(fecha["Fecha"]))
+    );
+    return latest;
 };
 
 /**

src/indicators/getUF.js

@@ -1,18 +1,22 @@
 require("dotenv").config();
 const axios = require("axios");
+const dayjs = require("dayjs");
 
 const memoryCache = require("../cache");
 
 /**
- * It gets the UF value for a given date from the CMF API
- * @param date - The date you want to get the UF value for.
- * @returns The data is being returned.
+ * It gets the latest UF value from the CMF API
+ * @param date - The date you want to get the UF for.
+ * @returns The latest UF value
  */
 const getUFWithoutCache = async (date) => {
     const { data } = await axios.get(
-        `https://api.cmfchile.cl/api-sbifv3/recursos_api/uf/${date}?apikey=${process.env.CMF_API_KEY}&formato=json`
+        `https://api.cmfchile.cl/api-sbifv3/recursos_api/uf/posteriores/${date}?apikey=${process.env.CMF_API_KEY}&formato=json`
     );
-    return data;
+    const [latest] = data.UFs.sort(
+        (fecha) => -1 * dayjs().diff(dayjs(fecha["Fecha"]))
+    );
+    return latest;
 };
 
 /**

src/indicators/getUSD.js

@@ -1,5 +1,6 @@
 require("dotenv").config();
 const axios = require("axios");
+const dayjs = require("dayjs");
 
 const memoryCache = require("../cache");
 
@@ -10,9 +11,12 @@ const memoryCache = require("../cache");
  */
 const getUSDWithoutCache = async (date) => {
     const { data } = await axios.get(
-        `https://api.cmfchile.cl/api-sbifv3/recursos_api/dolar/${date}?apikey=${process.env.CMF_API_KEY}&formato=json`
+        `https://api.cmfchile.cl/api-sbifv3/recursos_api/dolar/posteriores/${date}?apikey=${process.env.CMF_API_KEY}&formato=json`
     );
-    return data;
+    const [latest] = data.Dolares.sort(
+        (fecha) => -1 * dayjs().diff(dayjs(fecha["Fecha"]))
+    );
+    return latest;
 };
 
 /**

src/indicators/getUTM.js

@@ -1,18 +1,22 @@
 require("dotenv").config();
 const axios = require("axios");
+const dayjs = require("dayjs");
 
 const memoryCache = require("../cache");
 
 /**
- * It gets the UTM value for a given date from the Central Bank of Chile's API
+ * It gets the latest UTM value from the Chilean Central Bank's API
  * @param date - The date you want to get the UTM for.
- * @returns The UTM value for the given date.
+ * @returns The latest UTM value
  */
 const getUTMWithoutCache = async (date) => {
     const { data } = await axios.get(
-        `https://api.cmfchile.cl/api-sbifv3/recursos_api/utm/${date}?apikey=${process.env.CMF_API_KEY}&formato=json`
+        `https://api.cmfchile.cl/api-sbifv3/recursos_api/utm/posteriores/${date}?apikey=${process.env.CMF_API_KEY}&formato=json`
     );
-    return data;
+    const [latest] = data.UTMs.sort(
+        (fecha) => -1 * dayjs().diff(dayjs(fecha["Fecha"]))
+    );
+    return latest;
 };
 
 /**