post https://demo.checkbook.io/v3/bank/iav
Add a new bank account with IAV
Instant Account Verification
This isn't the full flow for IAV. Please refer to the Instant Account Verification guide for a complete description of all the steps involved.
Institution ID
For any given institution, its
id
may be different depending on the environment. So don't use an institution id fromsandbox
for making an API call inproduction
. Always use the ids returned by the GET /v3/bank/institutions call from the same environment.