Start free in sandbox. Pay only when you go to production.
No hidden fees, no long-term contracts.
Test everything in sandbox mode. No credit card required.
Get Started FreeFor apps in production with real users. Scale as you grow.
Start BuildingFor large-scale deployments with custom requirements.
Contact SalesAll plans include access to every API product. Plans differ by limits, environments, and support level.
| Feature | Sandbox | Growth | Enterprise |
|---|---|---|---|
| API calls | 100 / month | Unlimited | Unlimited |
| Bank connections | Test only | Unlimited | Unlimited |
| Projects | 1 | 5 | Unlimited |
| Environments | Sandbox | Sandbox + Live | Sandbox + Live |
| Transactions API | |||
| Balance API | |||
| Identity API | |||
| Auth API | |||
| Recurring API | |||
| Webhooks | |||
| Transaction enrichment | Basic | Full | Full |
| Link Widget customization | Default | Branded | White-label |
| Support | Community | Dedicated + SLA |
No. The Sandbox plan is completely free and doesn't require any payment information. You only pay when you switch to the Growth plan and go live.
A connection is one user linking one bank account through the Link Widget. If a user connects 3 bank accounts, that's 3 connections. You're billed monthly for active connections.
Yes. You can upgrade from Sandbox to Growth instantly from the dashboard. Downgrading or canceling takes effect at the end of your billing cycle.
Yes. If you have more than 1,000 active connections, contact us for custom pricing. Enterprise plans include volume discounts and dedicated support.
API calls beyond the 100/month limit will return a 429 rate limit error. You can upgrade to Growth at any time to remove limits and access live bank connections.
OpenDinar currently supports Raiffeisen, Erste, AIK Banka, Intesa, OTP Banka, and UniCredit in Serbia. We're actively adding more institutions.
Create your free account, get a sandbox API key, and start building today.