diff --git a/__tests__/commands.js b/__tests__/commands.js
new file mode 100644
index 0000000..c0af6aa
--- /dev/null
+++ b/__tests__/commands.js
@@ -0,0 +1,54 @@
+const { get_payment_details } = require('./../commands');
+const { get_user_limits } = require('./../deezy');
+const { satoshi_to_BTC } = require('./../utils');
+
+jest.mock('./../deezy');
+jest.mock('./../utils');
+
+describe('get_payment_details', () => {
+    it('should return payment details', async () => {
+        get_user_limits.mockResolvedValue({
+            payment_address: 'test_address',
+            amount: '100',
+            days: '30',
+            subscription_cost: '200',
+            one_time_cost: '300',
+            user_volume: '400',
+        });
+
+        satoshi_to_BTC.mockImplementation((value) => value);
+
+        const result = await get_payment_details();
+
+        expect(result).toEqual({
+            payment_details: `
+Your current limits and payment info:
+
+BTC Volume Permitted Every 30 Days: 100.
+Subscription Cost: 200.
+Cost to purchase 1 additional BTC in scan volume: 300 satoshis.
+You have scanned 400 BTC so far this billing period.
+Payment Address: 
+`,
+            payment_address: 'test_address',
+        });
+    });
+
+
+    it('should return empty string when payment_address is empty', async () => {
+        get_user_limits.mockResolvedValue({
+            payment_address: '...',
+            amount: '100',
+            days: '30',
+            subscription_cost: '200',
+            one_time_cost: '300',
+            user_volume: '400',
+        });
+
+        satoshi_to_BTC.mockImplementation((value) => value);
+
+        const result = await get_payment_details();
+
+        expect(result).toBe("");
+    });
+});
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diff --git a/__tests__/deezy.js b/__tests__/deezy.js
new file mode 100644
index 0000000..c2fb36f
--- /dev/null
+++ b/__tests__/deezy.js
@@ -0,0 +1,59 @@
+const axios = require('axios');
+const deezy = require('./../deezy');
+jest.mock('axios');
+
+describe('deezy', () => {
+
+    beforeEach(() => {
+        process.env.DEEZY_API_KEY = "00000000000000000000000000000000"
+    });
+
+    afterEach(() => {
+        jest.clearAllMocks();
+    });
+
+    it('should throw an error when DEEZY_API_KEY is not set', async () => {
+        delete process.env.DEEZY_API_KEY;
+
+        await expect(deezy.post_scan_request({ utxo: 'mockUtxo' })).rejects.toThrow('DEEZY_API_KEY must be set');
+        await expect(deezy.get_scan_request({ scan_request_id: 'mockId' })).rejects.toThrow('DEEZY_API_KEY must be set');
+        await expect(deezy.get_user_limits()).rejects.toThrow('DEEZY_API_KEY must be set');
+    });
+
+    it('should throw an error when RARE_SAT_ADDRESS is not set', async () => {
+        delete process.env.RARE_SAT_ADDRESS;
+
+        await expect(deezy.post_scan_request({ utxo: 'mockUtxo' })).rejects.toThrow('RARE_SAT_ADDRESS must be set');
+    });
+
+    it('should post a scan request', async () => {
+        process.env.RARE_SAT_ADDRESS = "bc1qknfqya5asgwgkl5de36wqvcg65vsrvvs3x0fy0"
+        const mockResponse = { data: 'mockData' };
+        axios.post.mockResolvedValue(mockResponse);
+
+        const result = await deezy.post_scan_request({ utxo: 'mockUtxo' });
+
+        expect(axios.post).toHaveBeenCalled();
+        expect(result).toEqual(mockResponse.data);
+    });
+
+    it('should get a scan request', async () => {
+        const mockResponse = { data: 'mockData' };
+        axios.get.mockResolvedValue(mockResponse);
+
+        const result = await deezy.get_scan_request({ scan_request_id: 'mockId' });
+
+        expect(axios.get).toHaveBeenCalled();
+        expect(result).toEqual(mockResponse.data);
+    });
+
+    it('should get user limits', async () => {
+        const mockResponse = { data: 'mockData' };
+        axios.get.mockResolvedValue(mockResponse);
+
+        const result = await deezy.get_user_limits();
+
+        expect(axios.get).toHaveBeenCalled();
+        expect(result).toEqual(mockResponse.data);
+    });
+});
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