Lean Technologies

Lean Payment Sources API

Tokenized representation of a customer's funding bank account once linked. List payment sources for a customer, retrieve a single source by ID, and delete a payment source to revoke its associated AOF consent.

Lean Payment Sources API is one of 11 APIs that Lean Technologies publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

This API exposes 1 machine-runnable capability that can be deployed as REST, MCP, or Agent Skill surfaces via Naftiko.

Tagged areas include Open Banking, Payment Sources, and Tokenization. The published artifact set on APIs.io includes API documentation, an OpenAPI specification, and 1 Naftiko capability spec.

GitHub OpenAPI

Documentation

📖
Documentation
https://docs.leantech.me/reference/payment-sources

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/lean-tech/refs/heads/main/openapi/lean-payment-sources-api-openapi.yml

Other Resources

🔗
NaftikoCapability
https://raw.githubusercontent.com/api-evangelist/lean-tech/refs/heads/main/capabilities/payment-sources-payment-sources.yaml

OpenAPI Specification

lean-payment-sources-api-openapi.yml Raw ↑ 
openapi: 3.1.0
info:
  title: Lean Payment Sources API
  description: >
    Tokenized representation of a customer's funding bank account once it
    has been linked through an Account-on-File consent. Payment sources can
    be re-used for repeat charges without re-prompting the customer for
    bank authentication.
  version: '1.0'
  contact:
    name: Lean Support
    url: https://help.leantech.me
servers:
  - url: https://api2.leantech.me
    description: Production
security:
  - BearerAuth: []
tags:
  - name: Payment Sources
paths:
  /customers/v1/{customer_id}/payment-sources:
    get:
      summary: Lean List Customer Payment Sources
      operationId: listCustomerPaymentSources
      tags: [Payment Sources]
      parameters:
        - $ref: '#/components/parameters/CustomerId'
      responses:
        '200':
          description: Payment sources
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/PaymentSource'
  /customers/v1/{customer_id}/payment-sources/{payment_source_id}:
    get:
      summary: Lean Get Payment Source By Id
      operationId: getPaymentSourceById
      tags: [Payment Sources]
      parameters:
        - $ref: '#/components/parameters/CustomerId'
        - $ref: '#/components/parameters/PaymentSourceId'
      responses:
        '200':
          description: Payment source
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PaymentSource'
    delete:
      summary: Lean Delete Payment Source
      operationId: deletePaymentSource
      tags: [Payment Sources]
      parameters:
        - $ref: '#/components/parameters/CustomerId'
        - $ref: '#/components/parameters/PaymentSourceId'
      responses:
        '204':
          description: Deleted
components:
  parameters:
    CustomerId:
      name: customer_id
      in: path
      required: true
      schema:
        type: string
        format: uuid
    PaymentSourceId:
      name: payment_source_id
      in: path
      required: true
      schema:
        type: string
        format: uuid
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
  schemas:
    PaymentSource:
      type: object
      properties:
        id:
          type: string
          format: uuid
        customer_id:
          type: string
          format: uuid
        bank_identifier:
          type: string
        consent_id:
          type: string
          format: uuid
        account_iban_last4:
          type: string
        currency:
          type: string
        status:
          type: string
          enum: [ACTIVE, EXPIRED, REVOKED]
        created_at:
          type: string
          format: date-time