| Sandbox | Production | |
|---|---|---|
| Passport / Access Token Endpoint | https://sandbox.interswitchng.com/passport/oauth/token | https://passport.interswitchng.com/passport/oauth/token |
| Purchase Endpoint | https://sandbox.interswitchng.com/api/v3/purchases | https://api.interswitchng.com/api/v3/purchases |
| SMS OTP/Hard Token Validation Endpoint | https://sandbox.interswitchng.com/api/v3/purchases/otps/auths | https://api.interswitchng.com/api/v3/purchases/otps/auths |
| Card Validation Endpoint | https://sandbox.interswitchng.com/api/v3/purchases/validations | https://api.interswitchng.com/api/v3/purchases/validations |
| Card Validation OTP/Token Authorisation Endpoint | https://sandbox.interswitchng.com/api/v3/purchases/validations/otps/auths | https://api.interswitchng.com/api/v3/purchases/validations/otps/auths |
| TermURL/Callback URL (VISA Transactions) | Returned in purchase response (S0) | Returned in purchase response (S0) |