25 Oct 20

Ask Siri to buy some bitcoin for you

This tutorial will help you setup your own system that lets you buy Bitcoin with a hands-free experience.

Prerequisites

1. Vercel account
2. Zebpay Developer account
3. Shortcuts app

1. Create your Zebpay Application

1. Visit Zebpay Developer Portal
2. Sign-in & create your application (any app type would work)
3. Once submitted & approved, go to GenerateToken tab
4. Make sure trade:read & trade:create are checked
5. Click on Generate Token
6. Copy your client_id & token.access_token

2. Deploy your instance

You will need to keep following values handy;

• APP_PASSCODE: Use a strong passcode openssl rand -base64 32
• APP_MAX_AMOUNT: Max amount that can be bought by this application at once
• ZEBPAY_CLIENT_ID: Your Zebpay application client_id
• ZEBPAY_ACCESS_TOKEN: Your Zebpay application token.access_token

Time to deploy your instance 🚀

3. Create your Siri shortcut

There are two ways to do this.

Create you shortcut manually

1. Open Shortcuts app
2. Tap on + icon on top right corner
3. Tap on + icon on the screen to add actions
4. Search for Ask for Input action & add it
5. Change input type from Text to Number
6. Edit prompt to For how much?
7. Search for Get Contents of URL action & add it
8. Set your buy function URL
9. Click on Show More
10. Change method to POST
11. Click on Headers & then Add new header
12. Set Key to X-Passcode & value to your APP_PASSCODE
13. Change Request Body to Form
14. Click on Add new field & select Text
15. Set Key to amount
16. Click on the value field, and select Provided Input
17. Search for Show Result action & add it
18. Name your shortcut Buy Bitcoin

Create your shortcut using link

1. Open Settings app
2. Open Shortcuts settings
3. Toggle on Allow Untrusted Shortcuts
4. Open Buy Bitcoin shortcut on your device

Similarly, you can also setup a shortcut to schedule your bitcoin purchase using events in Shortcuts app.