Request handling
Validate, authenticate, and rate-limit incoming requests before endpoint actions run.
Input validation
Validate request data and uploads before actions mutate data or call external services.
What this helps you do
Validate request data and uploads before actions mutate data or call external services.
- Validate parameters, headers, payload fields, and files
- Return structured errors for invalid requests
- Avoid passing untrusted data into integrations
- Document expected request shape through configuration
Turn URLs into clear interfaces
Input validation defines the fields, headers, parameters, and files your workflow expects, then returns clear errors when callers send the wrong shape.
Validation schema
POST /events
required
customer.email
enum
event.type = created|updated|deleted
min
upload.size >= 1KB
header
x-request-id string
- Validate path variables, query parameters, headers, body fields, and uploaded files before actions run.
- Actions can assume required inputs are present and typed correctly, reducing defensive branching.
- Invalid requests receive structured validation responses instead of vague downstream errors.
Response behavior
Valid input
Workflow continues to actions with typed fields ready.
200 OK
Invalid input
Request is rejected immediately with field-level errors.
422 Unprocessable Entity
Response body:
{
"error": "validation_failed",
"fields": {
"customer.email": "required",
"event.type": "must be one of created|updated|deleted"
}
}
Related features
Use these features together to build complete endpoint workflows.
Auth guards PRO
Protect public endpoints with basic auth, bearer tokens, query keys, or datastore-backed sessions.
Rate limiting PRO
Apply per-endpoint request limits to protect capacity and upstream services.
Signing profiles
Verify webhook signatures from known providers or any HMAC-based source.
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