Developer documentation
Build with Asteri
Connect your tools to your CRM. Read customer data, keep jobs in sync, and automate the work between systems.
From API key to first request
- 1
Create an API key
Open Security → Developer in your CRM. Start with the read:customers permission.
Open developer settings - 2
Make your first request
Set your app address and API key, then run the customers example.
Follow the quickstart - 3
Keep your integration up to date
Use webhooks to receive changes without repeatedly checking for them.
Set up webhooks
GET /api/public/v1/customers
curl "$ASTERI_BASE_URL/api/public/v1/customers?limit=5" \
-H "Authorization: Bearer $ASTERI_API_KEY"Set ASTERI_BASE_URL to your Asteri app address. Use a key with read:customers and keep it on your server.
One key, one company
Your key selects the company it can access. Paid plans include reads and exports; Premium and above also include writes.
Work with your CRM data
Build a reliable integration
Latest update · October 24, 2026