Lightspark

Lightspark External Accounts API

External account management endpoints for creating and managing external bank accounts

GitHub OpenAPI

Operations 12

GET /customers/external-accounts List Customer external accounts #
POST /customers/external-accounts Add a new external account #
GET /customers/external-accounts/{externalAccountId} Get customer external account by ID #
DELETE /customers/external-accounts/{externalAccountId} Delete customer external account by ID #
POST /customers/external-accounts/{externalAccountId}/challenge Start an ownership verification challenge #
POST /customers/external-accounts/{externalAccountId}/verify Verify ownership with a wallet signature #
GET /platform/external-accounts List platform external accounts #
POST /platform/external-accounts Add a new platform external account #
GET /platform/external-accounts/{externalAccountId} Get platform external account by ID #
DELETE /platform/external-accounts/{externalAccountId} Delete platform external account by ID #
POST /platform/external-accounts/{externalAccountId}/challenge Start an ownership verification challenge #
POST /platform/external-accounts/{externalAccountId}/verify Verify ownership with a wallet signature #

Documentation

📖
Documentation
https://docs.lightspark.com/
📖
APIReference
https://docs.lightspark.com/api-reference/authentication

Specifications

⚙
OpenAPI
https://artifacts.apis.io/lightspark/openapi/lightspark-external-accounts-api-openapi.yml

Schemas & Data

📊
JSONSchema
https://artifacts.apis.io/lightspark/json-schema/lightspark-external-account-schema.json
📊
JSONSchema
https://artifacts.apis.io/lightspark/json-schema/lightspark-external-account-create-request-schema.json
📊
JSONSchema
https://artifacts.apis.io/lightspark/json-schema/lightspark-external-account-list-response-schema.json
📊
JSONSchema
https://artifacts.apis.io/lightspark/json-schema/lightspark-platform-external-account-create-request-schema.json

Other Resources

🔗
Spectral
https://artifacts.apis.io/lightspark/rules/lightspark-grid-spectral.yaml
🔗
Webhooks
https://artifacts.apis.io/lightspark/asyncapi/lightspark-grid-webhooks.yml
🔗
SourceCode
https://github.com/lightsparkdev/grid-api

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OpenAPI Specification

lightspark-external-accounts-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Grid External Accounts API
  description: API for managing global payments on the open Money Grid. Built by Lightspark. See the full documentation at https://docs.lightspark.com/.
  version: '2025-10-13'
  contact:
    name: Lightspark Support
    email: support@lightspark.com
  license:
    name: Proprietary
    url: https://lightspark.com/terms
servers:
- url: https://api.lightspark.com/grid/2025-10-13
  description: Production server
security:
- BasicAuth: []
- AgentAuth: []
tags:


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# Full source: https://artifacts.apis.io/lightspark/openapi/lightspark-external-accounts-api-openapi.yml