Developer API
Build smarter underwriting into your platform
Integrate DataMerch's merchant intelligence directly into your software via our REST API. Real-time lookups, webhook notifications, and clean JSON responses.
const result = await fetch('https://api.datamerch.com/v2/merchants', {
method: 'GET',
headers: {
'Authorization': `Bearer ${API_KEY}`,
'Content-Type': 'application/json'
},
// Search by EIN or business name
params: { q: '81-1234567' }
});
const { merchants } = await result.json();
// [{ id, name, ein, risk_level, records: [...] }]
REST API with JSON responses
Simple, well-documented endpoints for merchant search and record retrieval
Webhook notifications
Receive real-time alerts when subscribed merchant records are updated
Secure API key authentication
Token-based auth with per-key rate limits and usage analytics