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Teller

Teller is a unified banking API providing real-time access to bank accounts, transactions, balances, identity data, and payment initiation across US financial institutions. Connect to thousands of banks and credit unions through a single integration. Teller uses mutual TLS (mTLS) for application authentication and access tokens obtained via Teller Connect for per-account authorization.

1 APIs 1 Capabilities 0 Features
BankingFinancial DataFinTechOpen BankingTransactionsUnified API

APIs

Teller API

Unified banking API for real-time access to accounts, transactions, balances, and identity data across US financial institutions. Supports account management, transaction histor...

Capabilities

Teller Open Banking

Unified open banking workflow combining account management, transaction history, balance monitoring, and identity verification through the Teller API. Enables fintech applicatio...

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Semantic Vocabularies

Teller Context

2 classes · 7 properties

JSON-LD

API Governance Rules

Teller API Rules

12 rules · 7 errors 5 warnings

SPECTRAL

Resources

🔗
Website
Website
🔗
Documentation
Documentation
🌐
Developer Portal
Developer Portal
👥
GitHub Organization
GitHub Organization
📦
SDK
SDK
📦
SDK
SDK
📦
SDK
SDK
📦
SDK
SDK

Sources

Raw ↑ 
aid: teller
name: Teller
description: >-
  Teller is a unified banking API providing real-time access to bank accounts,
  transactions, balances, identity data, and payment initiation across US financial
  institutions. Connect to thousands of banks and credit unions through a single
  integration. Teller uses mutual TLS (mTLS) for application authentication and
  access tokens obtained via Teller Connect for per-account authorization.
url: https://raw.githubusercontent.com/api-evangelist/teller/refs/heads/main/apis.yml
modified: '2026-05-03'
specificationVersion: '0.19'
tags:
  - Banking
  - Financial Data
  - FinTech
  - Open Banking
  - Transactions
  - Unified API
apis:
  - aid: teller:teller-api
    name: Teller API
    description: >-
      Unified banking API for real-time access to accounts, transactions, balances,
      and identity data across US financial institutions. Supports account management,
      transaction history, balance retrieval, and account holder identity verification
      via a single REST API secured with mTLS and per-user access tokens.
    humanURL: https://teller.io/docs/api
    baseURL: https://api.teller.io
    tags:
      - Accounts
      - Balance
      - Banking
      - Financial Data
      - Identity
      - Open Banking
      - Transactions
    properties:
      - type: Documentation
        url: https://teller.io/docs/api
      - type: OpenAPI
        url: openapi/teller-openapi.yml
      - type: Getting Started
        url: https://teller.io/docs/guides/quickstart
      - type: Authentication
        url: https://teller.io/docs/api/authentication
      - type: SDK
        url: https://teller.io/docs/guides/sdks
common:
  - type: Website
    url: https://teller.io/
  - type: Documentation
    url: https://teller.io/docs
  - type: Developer Portal
    url: https://teller.io/docs/api
  - type: GitHub Organization
    url: https://github.com/tellerhq
  - type: SDK
    url: https://github.com/tellerhq/teller-ruby
  - type: SDK
    url: https://github.com/tellerhq/teller-connect-react
  - type: SDK
    url: https://github.com/tellerhq/iOS-SDK
  - type: SDK
    url: https://github.com/tellerhq/teller-connect-android
maintainers:
  - FN: Kin Lane
    email: [email protected]