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Constaia

Clear pricing, per document

One credit is one validated document of up to two pages. No monthly fees, no minimums and no surcharges for confidence scores or EU hosting.

Prices in euros, excluding VAT. Packs expire after 12 months.

Included in every plan

  • EU hosting and zero retention
  • Per-field confidence and verdict with reasons
  • JSON, CSV, XLSX, XML, vCard and PDF exports
  • Signed webhooks and batches of up to 100 documents
  • Free test mode
  • Downloadable DPA

How credits are counted

  • 1 credit per analysis of up to 2 pages. An ID card, both sides, is 1 credit.
  • +1 credit for every 2 extra pages.
  • classify (classification only) costs 0.2 credits.
  • We do not charge for failures on our side or for documents rejected for quality before OCR.
  • Human review (coming soon): +€0.40 per document.

More than 100,000 documents a year?

Contract, custom DPA, SLA and annual invoicing.

Talk to sales

Work out your cost

Credits per year

16,200

Recommended packs

  • 2 × 1,000 pack€98
  • 3 × 5,000 pack€597

Yearly total (excl. VAT)

€695

≈ €0.039 per document

Computed with current packs, after the 150 free credits of each month.

An honest comparison with alternatives

We do not sell the same thing: most charge per page and return text or fields; Constaia charges per document and returns a verdict. Still, here are the public prices.

ProviderPublic priceEU / zero retentionVerdict with reasons
Constaia€0.025 to €0.049 per document · 150 free/monthYes, on every planYes
MindeeMindee pricingMindee docs — plans44 €/mes (Starter)Data localisation from ProNo
ReductoReducto pricingReducto Series B7,50 $ / 1.000 pág. (Classify) · 20 $ / 1.000 pág. (Extract)Growth plan only (custom)No (classifies and extracts)
AWS TextractAmazon Textract pricing0,05 $/pág. (Forms) · 0,015 $ (Queries) · 0,025 $ (AnalyzeID)Per region; retention per your accountNo
VeryfiVeryfi FAQ — plans & pricesmínimo 500 $/mesAsk themNo

Public prices checked in September 2026 on each provider's page (linked). They may change; always check the source.

FAQ

Do free credits expire?

The 150 free credits renew every month and do not roll over. Packs expire 12 months after purchase.

How do I pay?

By card through Stripe Checkout. You get the invoice automatically. Stripe Tax computes VAT for your country.

Do I pay for test mode?

No. ck_test_ keys do not use credits.

What happens if I run out of credits?

The API returns 402 insufficient_credits, and we warn you beforehand by email and via webhook (credits.low). You can set a monthly spending cap.

Do you have volume pricing?

Yes, the Enterprise plan includes a contract, SLA, custom DPA and annual invoicing. Get in touch.

And for the record…

Create your account, copy the test key and validate your first document in five minutes.