Your bank data, one API call away.
Query transactions, balances, investments, and loans from 11,000+ banks with a simple REST API. Authenticate with a single API key and start building in minutes.
# List your connected banks
curl https://api.banksync.io/v1/banks \
-H "X-API-Key: bsk_your_key_here"
# Response
{
"success": true,
"data": [
{
"id": "bank_chase",
"name": "Chase",
"source": "plaid",
"type": "bank",
"order": 0,
"connectionStatus": { "status": "healthy" },
"createdAt": "2026-08-01T09:00:00.000Z",
"updatedAt": "2026-08-14T09:42:00.000Z",
"links": { "self": "/v1/banks/bank_chase" }
}
]
}Start with a single request
List your connected banks, query transactions, or trigger a sync, all with standard HTTP requests.
# List your connected banks
curl https://api.banksync.io/v1/banks \
-H "X-API-Key: bsk_your_key_here"
# Response
{
"success": true,
"data": [
{
"id": "bank_chase",
"name": "Chase",
"source": "plaid",
"type": "bank",
"order": 0,
"connectionStatus": { "status": "healthy" },
"createdAt": "2026-08-01T09:00:00.000Z",
"updatedAt": "2026-08-14T09:42:00.000Z",
"links": { "self": "/v1/banks/bank_chase" }
}
]
}Comprehensive endpoints
Access every piece of your financial data through clean, well-documented endpoints.
| Method | Endpoint | Description | Scope |
|---|---|---|---|
| GET | /v1/banks | List connected bank institutions | banks:read |
| GET | /v1/banks/:bankId/accounts | List accounts for a bank | banks:read |
| GET | /v1/banks/:bankId/accounts/:accountId/transactions | Query transactions with filters | banks:read |
| GET | /v1/banks/:bankId/accounts/:accountId/balances | Get the latest available balance | banks:read |
| GET | /v1/banks/:bankId/accounts/:accountId/holdings | Get current investment holdings | banks:read |
| GET | /v1/banks/:bankId/accounts/:accountId/loan | Get loan or liability details | banks:read |
| GET | /v1/feeds | List sync feeds | feeds:read |
| POST | /v1/feeds | Create a new sync feed | feeds:write |
| POST | /v1/feeds/:feedId/sync | Trigger a sync run | feeds:write |
| GET | /v1/feeds/:feedId/jobs | List sync jobs & history for a feed | jobs:read |
| GET | /v1/enrichments | List enrichments in workspace | enrichments:read |
| GET | /v1/enrichments/:enrichmentId | Get enrichment details & config | enrichments:read |
| POST | /v1/enrichments | Create any of the 16 enrichment types | enrichments:write |
| PUT | /v1/enrichments/:enrichmentId | Update enrichment config | enrichments:write |
| DELETE | /v1/enrichments/:enrichmentId | Delete an enrichment | enrichments:write |
| POST | /v1/feeds/:feedId/enrich/preview | Dry-run the enrichment pipeline on sample records | enrichments:read |
Built for developers
Everything you need to integrate financial data into your applications.
Scoped API keys
banks:read, feeds:write, enrichments:read. Revoke any time.
11,000+ banks
US, Canadian, Australian, UK and European institutions.
JSON responses
Predictable payloads, pagination, filtering, consistent errors.
Feed management
Full CRUD for feeds, schedules and field mappings.
OpenAPI spec
OpenAPI 3.0 with Swagger UI — generate a client in any language.
Workspace isolation
Keys are scoped to a workspace; every teammate gets their own.
scoped keys, revocable
What you can build
From personal projects to production applications.
Custom dashboards
Personal finance dashboards on live bank data.
Accounting automation
Pipe transactions into your bookkeeping or ERP system.
Budgeting apps
Live transaction and balance data behind your product.
Portfolio trackers
Investments, holdings and trades across brokerages.
Expense management
Categorise and route business expenses automatically.
Data pipelines
ETL bank data into warehouses, sheets or databases.
Get started in 3 steps
Create the key once, copy it safely, then use only the scopes your integration needs.
- 1
Connect your bank
Link accounts through the regulated open-banking flow.
- 2
Generate an API key
Workspace › Developers, with only the scopes you need.
banks:readfeeds:write - 3
Make your first call
Query transactions, balances, holdings, trades or loans.
Prefer natural language?
Use the BankSync MCP server to let AI agents like Claude, ChatGPT, Cursor, and VS Code access your financial data through conversation.
Frequently asked questions
What is the BankSync API?
The BankSync API is a REST API that gives you programmatic access to financial data from 11,000+ banks across the US, Canada, Australia, the UK, and Europe. You can query transactions, balances, investment holdings, and loan accounts, as well as manage sync feeds and jobs.
How do I authenticate with the BankSync API?
Generate an API key from the BankSync app (Workspace > Developers). Use the X-API-Key header with your bsk_ prefixed key. Keys have scoped permissions like banks:read and feeds:write.
What banks does the BankSync API support?
BankSync supports 11,000+ banks and financial institutions across the US, Canada, Australia, the UK, and Europe, including Chase, Bank of America, Wells Fargo, Fidelity, Robinhood, CommBank, Westpac, NAB, ANZ, and more through secure open banking connectivity.
What financial data can I access through the API?
You can access transactions, account balances, investment holdings, securities, trades, and loan/liability data (credit cards, student loans, mortgages). All data is returned as clean JSON with pagination support.
Is the BankSync API free?
API access is included on Standard ($7/mo) and above. Standard includes 30 API requests/minute, Professional 150, Business 750. Starter and Free do not include API access. You can generate API keys on any API-enabled plan to access your connected bank data programmatically.
Does the BankSync API have an OpenAPI spec?
Yes, the BankSync API provides an auto-generated OpenAPI 3.0 specification with interactive Swagger UI documentation. You can use the spec to generate client SDKs in any language.
Ready to build?
Get your API key and start querying financial data with an API-enabled plan.