Lithic

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.

3 APIs 0 Features

FinTechBaaSCard IssuingPaymentsEmbedded Finance

APIs

Lithic REST API

REST API covering cards, accounts, account holders (KYC/KYB), authorization rules and 3DS, transactions, financial accounts, external bank accounts, ACH and wire payments, book ...

Lithic Auth Stream Access (ASA)

Real-time HTTP endpoint customers expose for Lithic to call synchronously during authorization for custom approve/decline logic.

Lithic Webhooks

Outbound HTTP webhook delivery for transaction, card, account-holder, dispute, and payment events.

Resources

Sources

aid: lithic
url: https://raw.githubusercontent.com/api-evangelist/lithic/refs/heads/main/apis.yml
name: Lithic
x-type: company
description: 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.
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
tags:
- FinTech
- BaaS
- Card Issuing
- Payments
- Embedded Finance
created: '2026-05-08'
modified: '2026-05-08'
specificationVersion: '0.19'
apis:
- aid: lithic:rest-api
  name: Lithic REST API
  description: 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.
  humanURL: https://docs.lithic.com/reference
  baseURL: https://api.lithic.com/v1
  tags:
  - REST
  - Card Issuing
  - Payments
  - ACH
  properties:
  - type: Documentation
    url: https://docs.lithic.com/reference
  - type: OpenAPI
    url: openapi/lithic-openapi.yml
- aid: lithic:auth-stream
  name: Lithic Auth Stream Access (ASA)
  description: Real-time HTTP endpoint customers expose for Lithic to call synchronously
    during authorization for custom approve/decline logic.
  humanURL: https://docs.lithic.com/docs/auth-stream-access-asa
  baseURL: customer-hosted
  tags:
  - Webhooks
  - RTD
  properties:
  - type: Documentation
    url: https://docs.lithic.com/docs/auth-stream-access-asa
- aid: lithic:webhooks
  name: Lithic Webhooks
  description: Outbound HTTP webhook delivery for transaction, card, account-holder,
    dispute, and payment events.
  humanURL: https://docs.lithic.com/docs/event-webhooks
  baseURL: https://api.lithic.com/v1/events
  tags:
  - Webhooks
  properties:
  - type: Documentation
    url: https://docs.lithic.com/docs/event-webhooks
common:
- type: Website
  url: https://lithic.com/
- type: Plans
  url: plans/lithic-plans-pricing.yml
- type: RateLimits
  url: rate-limits/lithic-rate-limits.yml
- type: FinOps
  url: finops/lithic-finops.yml
maintainers:
- FN: Kin Lane
  email: [email protected]