Build with Flash

Integrate loyalty, coupons, stores, and member management into your apps using the Flash REST API or MCP protocol. Everything you need to get started is right here.

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REST API

Full reference for all 25 v2 endpoints — stores, members, coupons, points, and more.

MCP Integration

Connect Flash to Claude Desktop, Cursor, or any MCP-compatible AI assistant.

Quick Start

From zero to your first API call in under 5 minutes.

API Keys

Create and manage API keys with fine-grained scope control.

Member Portal Embed

Embed the loyalty member portal into your own website with single sign-on.

Quick Example

cURL

curl -X GET https://your-domain.com/api/v2/stores \
  -H "X-API-Key: flash_sk_your_key_here" \
  -H "Content-Type: application/json"

# Response
{
  "stores": [
    {
      "id": "st_abc123",
      "name": "Downtown Flagship",
      "status": "active"
    }
  ],
  "total": 1
}

Node.js

const res = await fetch(
  "https://your-domain.com/api/v2/members",
  {
    headers: {
      "X-API-Key": process.env.FLASH_API_KEY,
      "Content-Type": "application/json",
    },
  }
);

const { members, total } = await res.json();
console.log(`Found ${total} members`);

Machine-readable spec available at /api/v2/openapi.json