diff --git a/ts/src/test/Exchange/base/test.crossBorrowRate.ts b/ts/src/test/Exchange/base/test.crossBorrowRate.ts
new file mode 100644
index 000000000000..f2225c08744a
--- /dev/null
+++ b/ts/src/test/Exchange/base/test.crossBorrowRate.ts
@@ -0,0 +1,22 @@
+import { Exchange } from "../../../../ccxt";
+import testSharedMethods from './test.sharedMethods.js';
+
+function testCrossBorrowRate (exchange: Exchange, skippedProperties: object, method: string, entry: object, requestedCode: string) {
+    const format = {
+        'info': {}, // Or []
+        'currency': 'USDT',
+        'timestamp': 1638230400000,
+        'datetime': '2021-11-30T00:00:00.000Z',
+        'rate': exchange.parseNumber ('0.0006'), // Interest rate
+        'period': 86400000, // Amount of time the interest rate is based on in milliseconds
+    };
+    testSharedMethods.assertStructure (exchange, skippedProperties, method, entry, format);
+    testSharedMethods.assertTimestampAndDatetime (exchange, skippedProperties, method, entry);
+    testSharedMethods.assertCurrencyCode (exchange, skippedProperties, method, entry, entry['currency'], requestedCode);
+    //
+    // assert (borrowRate['period'] === 86400000 || borrowRate['period'] === 3600000) // Milliseconds in an hour or a day
+    testSharedMethods.assertGreater (exchange, skippedProperties, method, entry, 'period', '0');
+    testSharedMethods.assertGreater (exchange, skippedProperties, method, entry, 'rate', '0');
+}
+
+export default testCrossBorrowRate;
diff --git a/ts/src/test/Exchange/base/test.isolatedBorrowRate.ts b/ts/src/test/Exchange/base/test.isolatedBorrowRate.ts
new file mode 100644
index 000000000000..0686e1760eb5
--- /dev/null
+++ b/ts/src/test/Exchange/base/test.isolatedBorrowRate.ts
@@ -0,0 +1,28 @@
+import { Exchange } from "../../../../ccxt";
+import testSharedMethods from './test.sharedMethods.js';
+
+function testFetchIsolatedBorrowRate (exchange: Exchange, skippedProperties: object, method: string, entry: object, requestedCode: string) {
+    const format = {
+        'info': {}, // Or []
+        'symbol': 'BTC/USDT',
+        'base': 'BTC',
+        'baseRate': exchange.parseNumber ('0.0006'), // Interest rate,
+        'quote': 'USDT',
+        'quoteRate': exchange.parseNumber ('0.0006'), // Interest rate,
+        'timestamp': 1638230400000,
+        'datetime': '2021-11-30T00:00:00.000Z',
+        'period': 86400000, // Amount of time the interest rate is based on in milliseconds
+    };
+    testSharedMethods.assertStructure (exchange, skippedProperties, method, entry, format);
+    testSharedMethods.assertTimestampAndDatetime (exchange, skippedProperties, method, entry);
+    testSharedMethods.assertCurrencyCode (exchange, skippedProperties, method, entry, entry['base'], requestedCode);
+    testSharedMethods.assertCurrencyCode (exchange, skippedProperties, method, entry, entry['quote'], requestedCode);
+    testSharedMethods.assertSymbol (exchange, skippedProperties, method, entry, 'symbol', requestedCode);
+    //
+    // assert (borrowRate['period'] === 86400000 || borrowRate['period'] === 3600000) // Milliseconds in an hour or a day
+    testSharedMethods.assertGreater (exchange, skippedProperties, method, entry, 'period', '0');
+    testSharedMethods.assertGreater (exchange, skippedProperties, method, entry, 'baseRate', '0');
+    testSharedMethods.assertGreater (exchange, skippedProperties, method, entry, 'quoteRate', '0');
+}
+
+export default testFetchIsolatedBorrowRate;
diff --git a/ts/src/test/Exchange/test.fetchCrossBorrowRates.ts b/ts/src/test/Exchange/test.fetchCrossBorrowRates.ts
new file mode 100644
index 000000000000..a80aeef8531a
--- /dev/null
+++ b/ts/src/test/Exchange/test.fetchCrossBorrowRates.ts
@@ -0,0 +1,16 @@
+import { Exchange } from "../../../ccxt";
+import testSharedMethods from './base/test.sharedMethods.js';
+import testCrossBorrowRate from './base/test.crossBorrowRate.js';
+
+async function testFetchCrossBorrowRates (exchange: Exchange, skippedProperties: object, symbol: string) {
+    const method = 'fetchCrossBorrowRates';
+    const borrowRates = await exchange.fetchCrossBorrowRates (symbol);
+    const codes = Object.keys (borrowRates);
+    testSharedMethods.assertNonEmtpyArray (exchange, skippedProperties, method, codes);
+    for (let i = 0; i < codes.length; i++) {
+        const code = codes[i];
+        testCrossBorrowRate (exchange, skippedProperties, method, borrowRates[code], symbol);
+    }
+}
+
+export default testFetchCrossBorrowRates;
diff --git a/ts/src/test/Exchange/test.fetchIsolatedBorrowRates.ts b/ts/src/test/Exchange/test.fetchIsolatedBorrowRates.ts
new file mode 100644
index 000000000000..b664ea67f3e6
--- /dev/null
+++ b/ts/src/test/Exchange/test.fetchIsolatedBorrowRates.ts
@@ -0,0 +1,16 @@
+import { Exchange } from "../../../ccxt";
+import testSharedMethods from './base/test.sharedMethods.js';
+import testIsolatedBorrowRate from './base/test.isolatedBorrowRate.js';
+
+async function testFetchIsolatedBorrowRates (exchange: Exchange, skippedProperties: object, symbol: string) {
+    const method = 'fetchIsolatedBorrowRates';
+    const borrowRates = await exchange.fetchIsolatedBorrowRates (symbol);
+    const codes = Object.keys (borrowRates);
+    testSharedMethods.assertNonEmtpyArray (exchange, skippedProperties, method, codes);
+    for (let i = 0; i < codes.length; i++) {
+        const code = codes[i];
+        testIsolatedBorrowRate (exchange, skippedProperties, method, borrowRates[code], symbol);
+    }
+}
+
+export default testFetchIsolatedBorrowRates;