Shutdown
Jan 2020TechCrunch reported that Teller's UK product had been shut down after the company re-incorporated in the U.S. and launched a U.S. beta.
SourceCompany research
Public company, workplace, funding, and market signals
Updated Jul 29, 2026
Overview
Teller is a fintech infrastructure company that provides a bank-account API for developers to connect to financial institutions, verify account ownership and balances, read transactions, and initiate payments. The company emphasizes reliability, real-time access, and a no-code/low-code migration path from Plaid via Sidecar.
Primary product
Teller Connect
Founded
2014
Headquarters
London, England, United Kingdom
Team size
1-10
Work style
Flexible
Industry
Software Development
Sub-industry
Fintech / Banking API infrastructure
Offices
London, England, United Kingdom
Miami, Florida, United States
Business model
B2B SaaS
usage-based API pricing
Funding
Stage
Seed
Total raised
$4M
Latest round
Seed · Jan 2020
Latest amount
$4M
Jan 2020
People & investors
Leadership
Co-founder & CEO
Chief Technology Officer
Chief Operating Officer
Investors
Work & culture
Early-stage, high-autonomy team that values ownership, high standards, results, and direct communication; engineering roles allow hybrid or remote work in constrained time zones, while some roles prefer in-person work.
Work style
Flexible
Visa sponsorship
No
Compensation
Public job postings mention competitive salary plus stock options for engineering roles, and competitive salary plus target equity for sales roles; exact pay bands were not disclosed.
Benefits
competitive salary
stock options
target equity
Product & market
Pricing
Free developer tier up to 100 live connections, then usage-based production pricing with custom volume-based enterprise pricing.
Differentiators
- —Reverse-engineered bank mobile app APIs instead of screen scraping
- —Claims higher reliability and stability than brittle bank connections
- —Over 7,000 financial institutions supported
- —Zero-code Plaid migration path via Sidecar
- —Real-time payments using Zelle
- —Same-day ACH microdeposit fallback
- —SOC 2 Type 2 certification and enterprise customization
Technology
Elixir
Erlang
Scale & contact
Estimated revenue
$1M-$10M
Signals & risks
Latest news
Teller blog · Oct 2023
Teller launched Bridge to let neobanks and non-bank fintechs offer Zelle payments using debit card PANs and SMS MFA enrollment.
Teller blog · Oct 2023
Teller introduced Sidecar, a Docker-based proxy that lets applications migrate from Plaid to Teller without changing application code.
Teller blog · Oct 2023
Teller announced support for more than 5,000 U.S. financial institutions and same-day microdeposit verification for institutions not yet instantly connected.
Teller blog · Sep 2021
Teller announced real-time payment APIs built on Zelle, enabling instant money movement from a user's bank account to another U.S. account.
TechCrunch · Jan 2020
TechCrunch covered Teller's seed round, U.S. re-incorporation, and its push to compete with Plaid using more reliable banking APIs.