Form Backend
The API-first form backend
Build custom form experiences with our REST API. Full control over validation, processing, and routing — with zero infrastructure to manage.
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POST to our API
Send form data to our REST API endpoint. TypeScript and Python SDKs available.
- Simple REST API — just POST JSON
- TypeScript SDK with full types
- Python SDK for data pipelines
We handle the rest
Validation, storage, deduplication, and enrichment happen automatically.
- Schema validation with custom rules
- Automatic data enrichment
- Deduplication by email or custom key
Route anywhere
Webhooks, CRM sync, Slack notifications — route leads wherever you need them.
- Webhook notifications in real-time
- CRM sync to HubSpot & Salesforce
- Custom routing rules
Capabilities
Everything included
All the tools you need, out of the box.
REST API
Clean, documented REST endpoints for all operations
Batch operations
Create or update up to 1,000 records per request
Webhooks
Get notified instantly when events occur
Type safety
Full TypeScript types for request and response
Rate limiting
Generous limits with clear rate limit headers
API keys
Scoped API keys with fine-grained permissions
Frequently asked questions
Ready to capture your
first lead?
Get started in minutes. No credit card required. Free for up to 1,000 leads per month.
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