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Try a sample, then choose your document volume

Try the MCP demo without signup or a card. Run validation on a valid or deliberately invalid synthetic invoice, then download the sample files and reports. The demo cannot process custom documents.

Check your own invoices, free

Validate a Factur-X PDF, CII or UBL file with no account, key or card, in the browser, POST /v1/invoices/validate or MCP validate_invoice. Files up to 5 MB, shared daily capacity. Free checks never touch a paid allowance.

Generate your own invoices, free to start

Claim a verified-account trial: 10 document operations for 14 days, no card or renewal. One trial per account/email; 100 grants in this release. REST and MCP share the allowance. Maximum 30 processing attempts (including invalid inputs); company-register checks are excluded. Recovering a key or signing in again does not reset credits or expiry. Validate in your browser.

Pay as you go: EUR 10 for 100 credits

EUR 0.10 per document operation. No expiry, subscription or automatic recharge. Generate, embed, validate and extract your own Factur-X, CII or UBL invoices in the browser, REST or MCP. Each pack adds 100 credits to the same account balance. Company-register checks are excluded.

Buy 100 credits

Unused credits carry over between months. A monthly subscription keeps a separate allowance; switch between saved allowances in your workspace. Monthly quotas do not roll over. At full use, Starter costs EUR 0.029 per operation, Pro EUR 0.0099 and Scale EUR 0.00498. Actual unit cost depends on usage; a subscription may cost more for occasional use.

A generation followed by validation uses two credits. Refunds remove the corresponding credits (rounded up to the next credit); disputes freeze the purchased pack pending support review. Credits already used remain debited, including after a refund. Existing EUR 3 evaluation packs retain their original 25-operation allowance and 30-day expiry, but new evaluation purchases are retired.

Monthly plans for regular use

Starter Pro Scale
Price EUR 29 / month EUR 99 / month EUR 249 / month
Documents per month 1,000 10,000 50,000
REST and MCP yes yes yes
Generate, embed, validate, extract yes yes yes
EU Verify party registers not included included included
Factur-X, CII, UBL outputs yes yes yes
EN 16931 and French fr-ctc rules yes yes yes

Try the free sample Start with Starter Choose Pro Choose Scale Manage your subscription

Prices and tax treatment are shown at checkout. No automatic overage charges: exhausted allowances return 402 until you upgrade or the monthly quota resets.

From checkout to your first invoice

  1. Sign in at your workspace, then choose prepaid credits or a monthly plan.
  2. Complete Stripe Checkout. Your settled purchase is linked to your account.
  3. Connect /mcp/account in your MCP client, authenticate and approve access. Client setup.
  4. Check the workspace or GET /v1/usage for your remaining allowance. Subscription management is available in the workspace. Prepaid credits have nothing to cancel; contact support for billing help.

What counts?

One successful generation, embedding, validation or extraction counts as one document. Validation without a key is free and does not count. REST and MCP share the allowance. view_invoice_demo, get_invoice_example, explain_finding, draft_credit_note, discovery and resources do not count. check_party and check_invoice_parties do not spend document quota but require an eligible plan; each party lookup remains subject to EU Verify's usage limits.

Invalid input and tool errors do not spend document quota. A successful retry is another call. Usage is capped atomically before a successful document response is released; if the usage store is unavailable, document calls return 503. Check your balance with GET /v1/usage.

Paid monthly quotas reset on the first day of the month (UTC). A plan change keeps the same key. Existing Free keys keep their allowance; existing trial keys keep their original expiry and total allowance, without a monthly reset. Renewable free subscriptions and anonymous trial keys remain closed. The verified-account trial above is a separate fixed allowance. Anonymous processing of custom documents is no longer offered.

Documents are processed in memory. See privacy, terms and published validation evidence.

Support: le.borgne.antoine.pro@gmail.com.