
Erste&Steiermärkische Bank d.d.
- 5 minutes setup. No complicated steps
- Multiple daily refreshes
- Developer friendly API docs
How to connect Erste&Steiermärkische Bank d.d.
Connecting your Erste&Steiermärkische Bank d.d. account to Zenith takes a few minutes, over a secure read-only connection.
Create an account
Sign up for Zenith — it takes less than a minute.

Find your bank
Choose your country, then Erste&Steiermärkische Bank d.d..

Connect your bank account
We send you to your bank's own login page, where you approve access.
- You log in with your online or mobile banking
- Follow the bank's prompts; access is read-only for transactions.

Back to Zenith
After login we bring you back automatically. Your balance shows as soon as the account is connected.

Set up payment
The connection costs just €5 per bank account per month.

Transactions start arriving
Within minutes your first transactions appear in Zenith.
- We refresh the data several times a day
- Most banks allow up to four refreshes a day

Choose where your data goes
Send your data to the tools you already use.
- Sync with Google Sheets
- Access via API (clean JSON)
- MCP connector for Claude or Codex

Specifics
- BIC/SWIFT
- ESBCHR22
- Website
- www.erstebank.hr
- Transaction history
- 730 days
Maximum number of days Zenith can access transactions from the moment of connection onward.
The user can only have one active open banking connection per account, if the end user connect the account to another open banking serivce the connection with the previous one will be lost. Only one consent can be valid at the time.
Supported account types
Erste&Steiermärkische Bank d.d. is one of the leading Croatian banks, headquartered in Rijeka and part of the international Erste Group. It provides banking services to individuals, entrepreneurs and large companies across the country.
From token to transactions in two calls.
A read-only REST API over plain HTTPS + JSON. Bank transactions, expenses, partners, bank accounts, balances and yearly report aggregates — predictable schema, cursor-friendly filters, and a machine-readable OpenAPI contract.
# Base URL
https://hub.zenith-books.com/api/public/v1
# 1. Who am I? (verifies your credentials)
curl https://hub.zenith-books.com/api/public/v1/me \
-H "Authorization: Bearer zth_live_…" \
-H "X-Company-Key: <company key>"
# 2. Last month's bank transactions
curl "https://hub.zenith-books.com/api/public/v1/transactions?date_from=2026-06-01&date_to=2026-06-30" \
-H "Authorization: Bearer zth_live_…" \
-H "X-Company-Key: <company key>"
# Also available: /expenses, /partners, /bank-accounts,
# /bank-accounts/{id}/balances, /reports/yearly-summary