Choose an integration
Start from the customer outcome. Every path uses the same sandbox, API-key authentication, error model, and event delivery system.
Connect biller accounts
Let a user securely connect a biller account so bills can stay current.
Start with: Link token + Elements
Open guideRetrieve and sync bills
Fetch normalized bills and keep your product current as they change.
Start with: Bills + account-link sync
Open guideImport a bill from an unlinked account
Add one bill without a connection, then connect when supported so future bills sync automatically.
Start with: Bill Imports API
Open guideSchedule bill payments
Collect payment details and schedule payment for an eligible bill.
Start with: Pay token + Elements
Open guideProduction requirements
Required across connected-account outcomes
A secure integration has two planes
Your server keeps the
BILLERAPI_API_KEY and creates short-lived tokens. Your browser or mobile UI receives only those short-lived tokens for hosted Elements flows. Never ship an API key in client code.Was this page helpful?