AI extraction of invoices, receipts, bank statements & contracts into structured JSON/CSV.
DocStruct API is a free Documents & Productivity API that requires no API key, is served over HTTPS and supports CORS, so it can be called from the browser.
One API call turns invoices, receipts, and statements into clean JSON/CSV. Free tier. Developer-first.
Details from docstruct.pages.dev.

Unified API suite · now live
Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
Online file converter for image, video, audio, document, ebook, font, archive and CAD formats
The DocStruct API is provided by DocStruct (docstruct.pages.dev). One API call turns invoices, receipts, and statements into clean JSON/CSV. Free tier. Developer-first.
Yes. The DocStruct API is listed in the Documents & Productivity category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
No. The DocStruct API requires no authentication, so you can start making requests without signing up.
Yes. The DocStruct API supports CORS, so front-end JavaScript can call it directly.
Yes. The DocStruct API is served over HTTPS, so it's safe to use in production.