Affordability APIs

Kindly find the checklist for APIs to be integrated for different checkout solutions to provide Affordability solutions.

Flow	Flow Type	Description	API Integration
Flow	Flow Type	Description	API Integration			Offer Discovery	Merchants can power the offer discovery on their website through the Offer Discovery API with offers created with Paytm.	Offer Discovery API
			Optional	Mandatory	Conditional
Custom Checkout	Standard Integration	Custom checkout standard integration allows the merchants to design the payment page as per their requirements and integrate the Paytm payment gateway through the different APIs	Offer Discovery API Fetch Payment Option API	Apply Offers API Initiate Transaction API Process Transaction API Transaction Status API	Fetch BIN Details API IMEI Validation API
Custom Checkout	Express Integration	Custom checkout express integration allows the merchants to integrate with minimal changes with a quick turnaround time. With this option, merchant needs to just pass an object simplifiedUnifiedOffers in the Initiate transaction API instead of integrating multiple offer APIs.		Initiate Transaction API Process Transaction API Transaction Status API	IMEI Validation API
JS Checkout		Bank offers and EMI Subvention on JS checkout can be integrated with minimal effort on the merchant side. Hereby, the Merchant needs to just pass an object to Initiate Transaction API		Initiate Transaction API Transaction Status API
Payment Links		Bank offers and EMI subvention on Payments Link flow can be integrated with minimal effort on the merchant side. Hereby, the Merchant needs to pass the relevant object in the Create Links API.		Create Link API Initiate Transaction API Transaction Status API	IMEI Validation API
All-in-one SDK		Bank offers and EMI Subvention on All-in-One SDK flow can be integrated with minimal effort on the merchant side. Hereby, the Merchant needs to pass an object in the Initiate Transaction API.		Initiate Transaction API Transaction Status API