Lithic is a modern card-issuing and program-management platform offering REST APIs for cards, accounts, transactions, authorization control, ACH/wire payments, external bank accounts, account-holder KYC/KYB, 3-D Secure, tokenization, disputes, and webhooks. OpenAPI spec is published via Stainless and powers official SDKs in Node, Python, Go, Java, Kotlin.
APIs.json: https://raw.githubusercontent.com/api-evangelist/lithic/refs/heads/main/apis.yml
- FinTech
- BaaS
- Card Issuing
- Payments
- Embedded Finance
- Created: 2026-05-08
- Modified: 2026-05-08
REST API covering cards, accounts, account holders (KYC/KYB), authorization rules and 3DS, transactions, financial accounts, external bank accounts, ACH and wire payments, book transfers, statements, payments, disputes, tokenization, and webhooks across 191 endpoints.
- Human URL: https://docs.lithic.com/reference
- Base URL:
https://api.lithic.com/v1
- REST
- Card Issuing
- Payments
- ACH
- Documentation
- OpenAPI — OpenAPI Specification
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
Real-time HTTP endpoint customers expose for Lithic to call synchronously during authorization for custom approve/decline logic.
- Human URL: https://docs.lithic.com/docs/auth-stream-access-asa
- Base URL:
customer-hosted
- Webhooks
- RTD
Outbound HTTP webhook delivery for transaction, card, account-holder, dispute, and payment events.
- Human URL: https://docs.lithic.com/docs/event-webhooks
- Base URL:
https://api.lithic.com/v1/events
- Webhooks
FN: Kin Lane Email: kin@apievangelist.com