DocStruct API alternatives

AI extraction of invoices, receipts, bank statements & contracts into structured JSON/CSV. If it doesn't fit your project, here are the 10 best free Documents & Productivity APIs to use instead in 2026, out of 51 in the directory.

For reference, DocStruct API: No API key needed · Fast: 190 ms response · Callable from the browser (CORS).

1
TeamSort API
Online · 988 ms
Create a ranked-choice poll from a text prompt and get a shareable link.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
2A
AgentPay Doc Tools API
Online · 657 ms
PDF to text, RSS/Atom/JSON feeds to JSON and sitemaps to URL lists, paid per call via x402.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
3
WakaTime API
Online · 1196 ms
Automated time tracking leaderboards for programmers.
- No API key needed
- HTTPS
No authHTTPSCORS ?
4
Vector Express v2.0 API
Online · 790 ms
Free vector file converting API.
- No API key needed
- HTTPS
No authHTTPSNo CORS
5
BuildPDF API
Online · 902 ms
Convert HTML, images, and text to PDF.
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS
6
Cloudmersive Document and Data Conversion API
Online · 996 ms
HTML/URL to PDF/PNG, Office documents to PDF, image conversion.
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS
7
DocCheap API
Online · 609 ms
Read passports, ID cards and driver's licences into JSON, $0.01 per recognised document.
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS
8
iLovePDF API
Online · 490 ms
Convert, merge, split, extract text and add page numbers for PDFs. Free for 250 documents/month.
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS
9
Renderly API
Online · 824 ms
HTML to PDF conversion API built on Chromium.
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS
10
staffSign API
Online · 1184 ms
Digital employment contract API with QES/eIDAS support for HR and staffing.
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS

DocStruct API vs alternatives

DocStruct API compared with its alternatives
API	API key	HTTPS	CORS	Uptime	Response	Rating
DocStruct	No	Yes	Yes	Up	190 ms	Not rated
TeamSort	No	Yes	Yes	Up	988 ms	Not rated
AgentPay Doc Tools	No	Yes	Yes	Up	657 ms	Not rated
WakaTime	No	Yes	Unknown	Up	1196 ms	Not rated
Vector Express v2.0	No	Yes	No	Up	790 ms	Not rated
BuildPDF	Required	Yes	Yes	Up	902 ms	Not rated
Cloudmersive Document and Data Conversion	Required	Yes	Yes	Up	996 ms	Not rated
DocCheap	Required	Yes	Yes	Up	609 ms	Not rated
iLovePDF	Required	Yes	Yes	Up	490 ms	Not rated

Head-to-head comparisons

DocStruct API alternatives FAQ

What is the best free alternative to the DocStruct API in 2026?

The top-ranked free alternatives to the DocStruct API are TeamSort API, AgentPay Doc Tools API and WakaTime API, all in the Documents & Productivity category. Rankings combine access (API key, HTTPS, CORS), daily uptime checks and developer ratings.

How many Documents & Productivity APIs are similar to the DocStruct API?

The directory lists 51 other free Documents & Productivity APIs. This page compares the top ones side by side.