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Teller
Teller provides an open banking API aggregator that enables developers to connect applications to financial institutions for real-time data access and account verification.
- Headquarters
- London, UK
- Founded
- 2019
- Employees
- 11-50
- Funding
- Seed, $4M
- Last researched
- Jul 21, 2026
Products
- Teller APIPrimary
The core bank connectivity API providing access to accounts, balances, transactions, identity details, and payment initiation.
Individual IdentityTool1 of 4 capability facts - Sidecar
A compatibility layer that allows developers to migrate from Plaid to Teller with a simple configuration change.
Data EnrichmentTool - Teller Balance & Transactions
Provides real-time access to live account balances and comprehensive historical transaction data for underwriting and monitoring.
Transaction MonitoringTool3 of 6 capability facts - Teller Connect
The front-end component (SDKs) that allows users to securely connect their bank accounts to applications.
Individual IdentityTool - Teller Identity
Verifies bank account ownership by retrieving registered names, emails, phone numbers, and addresses associated with the account.
Individual IdentityTool2 of 4 capability facts - Teller Verify
Instantly verifies bank account and routing numbers for ACH payments.
Individual IdentityTool
Capability coverage· 5 of 10 facts across 4 controls across 6 products
- Eligibility Determination1 of 2
- Identity Establishment2 of 4
- Risk Scoring & Segmentation1 of 2
- Transaction Monitoring1 of 2