Step 1(If you already have Chargify account and set it up then skip this step.) Create new Chargify account.

Step 2Type email, follow the next instruction and setup your products after login

Step 3After login, click ‘Integrations’ and add ‘New API v1 Key’

Step 4Note ‘Your API v1 Key’

Step 5Mouse click on ‘Setup’

Step 6Create new ‘Public Signup Page’

Step 7Add ‘Return URL after successful signup’. For example YOUR-SALES/THANK-YOU-PAGE

Add ‘Return URL after successful signup’. For example YOUR-SALES/THANK-YOU-PAGE.html and ‘Return Parameters’ as ‘customer_id={customer_id}&signup_payment_id={signup_payment_id}’. Fill the next form as per your requirements

Step 8Add new ‘Webhook Endpoints’ as ‘YOUR-OSI-URL/sales/chargify_recurring’, tick ‘Renewal Success’ and ‘Save/Update’

Step 9THANK-YOU-PAGE

Create YOUR-SALES/THANK-YOU-PAGE.html page and add this code before your page body closing tag

<script>var subdomain = 'YOUR-OSI-SUBDOMAIN';</script> <script src="https:///YOUR-OSI-URL/js/chargify-sale.js" async></script>

Step 9Open admin settings on OSI Affiliate Software

Step 10Go to 3rd party integration

Step 11Go to Chargify Integration

Step 12Put ‘Your API v1 Key’ and Chargify ‘Subdomain’.