Enterprise-grade financial infrastructure
Issue cards, open accounts, move money, extend credit. Everything you need to make money a native part of your product.
Trusted at Scale


“Relay started building on Unit when we were still an early-stage company, and we've been able to scale on the same platform as the business grew past $1B in deposits. Unit has provided the primitives, flexibility, and program visibility we need to build and expand core financial products across banking, payments, and cards for our customers. I've always appreciated Unit's willingness to collaborate closely with us on roadmap priorities and feature rollouts, which has helped Relay continue moving fast and delivering more sophisticated financial products at scale.”


What teams have built
Built for developers
JSON:API spec
Consistent filtering, pagination, includes across every endpoint
Tags
Attach metadata to any object. Query by tag
Customer tokens
Call the API from your front-end without exposing credentials
Idempotency keys
Safe retries
Simulations
Test every flow before writing integration code
Open-source SDKs
Read, fork, extend
Postman collection
Start in minutes
Webhooks
50+ events
Data warehouse sync
Export to S3, BigQuery, Snowflake
Integrations
Pre-built connections like Plaid Exchange for visibility across 8,000+ apps, or Allpoint for 55,000+ fee-free ATMs.











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