Identity, verification and messaging as an API.
One Ultra account. Sandbox in minutes. Docs that answer before you ask.
no card · 500 sandbox calls / month · p95 320 ms
200 OK · 412 ms
{
"id": "1248907331",
"status": "pending",
"type": "document",
"country": "SK",
"created_at": "2026-09-22T09:14:07Z",
"callback_url": null
}Products with an API
Two live, one next
Quick start
Key in under five minutes
Create an Ultra account
open https://udentify.me/signupCreate an app, copy the key
sk_sandbox_9f2c41… # dashboard → KeysCall the API
POST /v1/verifications → 200Built for production
What you get by default
EU data residency
Hetzner, Nuremberg. No data leaves the EU.
Versioned API
/v1 · breaking changes get 12 months notice.
Rate limits & usage
50 req/s default · live usage in the dashboard.
Webhooks with retries
5 attempts · exponential backoff to 6 h · HMAC signed.
Audit log
Every key action, 365 days, CSV export.
99.9 % SLA
Measured monthly · credits on breach · status page.
One account
One key ring, every product
SSO across products, one billing, one place to manage keys and usage.
Pricing
Pay per call, not per seat
Pay as you go
€0.—
per verification
50 req/s
monthly invoice
volume tiers from 10 000 / month
Enterprise
Custom
annual contract
99.9 % SLA + credits
shared Slack channel
DPA, audit log export
prices in €, VAT excluded · placeholder figures
Details before you build
Ship verification this week.
sandbox key now · production review in 2 working days
[email protected] · status.ultralabs.dev