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Constaia

Simple pricing, per document

One credit is one validated document of up to two pages. Prices in US dollars. No monthly fees, no minimums and no surcharge for confidence scores.

Prices in US dollars, excluding sales tax. Packs expire after 12 months.

Included in every plan

  • Zero retention by default
  • 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): available for an extra fee per document.

More than 100,000 documents a year?

Contract, custom DPA with CCPA/CPRA terms, SLA and annual invoicing.

Talk to sales

Work out your cost

Credits per year

16,200

Recommended packs

  • 2 × 1,000 pack$110
  • 3 × 5,000 pack$657

Yearly total (excl. sales tax)

$767

≈ $0.043 per document

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

An honest comparison with alternatives

We don't sell the same thing: OCR and extraction APIs charge per page and return fields, and KYC vendors verify people with biometrics. Constaia charges per document and returns a verdict with reasons. Here are the public prices.

ProviderPublic priceData handling / retentionVerdict with reasons
Constaia$0.027 to $0.055 per document · 150 free/monthZero retention by default; no biometricsYes
Amazon Textract AnalyzeIDAmazon Textract pricingAmazon Textract docs: analyzing identity documents$0.025/page (first 100,000 pages), $0.01/page afterRuns in your AWS region; retention per your accountNo (extracts ID fields)
VeryfiVeryfi pricingVeryfi FAQ: plans and pricesFree up to 100 docs/month; Starter $500/month minimum (W-2/W-9 at $0.16 per form)Not stated publicly; ask the vendorNo (extracts fields)
MindeeMindee pricingMindee docs: plans$44/month (Starter, billed annually)Data localization from the Pro planNo (extracts fields)
Onfido (Entrust)Onfido (Entrust) identity verificationEntrust pricingNot public (quote from sales)Per contractNo (biometric KYC)
PersonaPersona pricingPersonaNot public (plans and volume pricing via sales)Per contractNo (biometric KYC)

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

FAQ

Do free credits expire?

The 150 free credits renew every month and don't roll over. Prepaid packs expire 12 months after purchase.

How do I pay?

By credit or debit card through Stripe Checkout, in US dollars. Sales tax is added where applicable, and you get the invoice automatically.

Do I pay for test mode?

No. ck_test_ keys don't 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 offer volume or enterprise 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.