The API for reading engineering drawings

Stop reading
drawings by hand.

Werk24 reads technical drawings like an experienced manufacturing engineer — no training data, no templates. It extracts PMI, GD&T, tolerances, materials and threads into structured JSON for ERP, PLM, MES and quoting tools in under 20 seconds.

Most teams save ~7 minutes per drawing.
Test it on your drawing — free Talk to an engineer
✓No credit card to test✓JSON in ~60 seconds✓API from €0.95/page — no commitment
“The PMI extraction of Werk24 increases our calculation accuracy.”Christoph B. Rößner & Adrian Raidt · Founders, Laserhub
95%+extraction accuracy
~15sper page · core SKU
0training samples
EU / USdata residency
mounting-block-wk2403.pdf · page 1 / 1
20±0.150±0.117±0.1⌀20 H7TITLEMounting BlockDWG NOWK2403 · 01MATERIALAluminum 7075
// structured response
{
"drawing_id": "WK2403-01",
"designation": "Mounting Block",
"material": "Aluminum 7075",
"dimensions": [
"Ø20 H7", "50 ±0.1",
"20 ±0.1", "17 ±0.1"
],
"external_dimensions": [50, 34, 10]
}
DimensionsFeatures & GD&T✓ extracted · 98% confidence
How it works

From PDF to production in hours, not weeks.

No templates, no training, no manual prep. Send a drawing and get verified, structured data back in seconds.

01

Drop in a drawing

Upload any technical drawing — PDF, TIFF, JP2 or scanned image. Multi-page documents and legacy archives work out of the box.

02

We read every detail

Dimensions, tolerances, GD&T, threads, surfaces and materials — understood in context, across ISO and ASME, at 95%+ accuracy.

03

Land it in your systems

Typed JSON arrives in your ERP or PLM via API, webhook or callback. Need CSV, XML or a custom schema? We return that too.

Extraction depth

More than OCR. It understands technical semantics.

Every field links back to its source in the drawing — so the data is auditable, not just extracted.

  • No training data required — works on the first drawing
  • Confidence & evidence trace per field (x / y / bbox)
  • GD&T understanding across ISO and ASME / ANSI
  • DE · EN · NL · FR · ES · IT · JA
  • REST API, webhooks & a Python client
mounting-block-wk2403.pdf · page 1 / 1
20±0.150±0.117±0.1⌀20 H7TITLEMounting BlockDWG NOWK2403 · 01MATERIALAluminum 7075
// structured response
{
"drawing_id": "WK2403-01",
"designation": "Mounting Block",
"material": "Aluminum 7075",
"dimensions": [
"Ø20 H7", "50 ±0.1",
"20 ±0.1", "17 ±0.1"
],
"external_dimensions": [50, 34, 10]
}
DimensionsFeatures & GD&T✓ extracted · 98% confidence

ROI-Calculator

Pick your plan and inputs — see the monthly return, and which plan is cheapest at your volume.

Assumptions

€0.95/page flat · no tier fee · cancel anytime

Assumptions: 1 page per drawing; pay-as-you-go at €0.95/page; tiers billed as tier fee plus per-page overage beyond included pages, less tier discount. Start pay-as-you-go and upgrade later — you keep your API key.

Monthly savings

€7,000

93 hrs saved per month

Werk24 costs

€760

For the selected plan, at your volume.

Net ROI

€6,240

Per month

Break-even

46 sec

Time saving per drawing for cost recovery

Results

Proven in automated drawing processing.

80%
Faster RFQ processing
Observed with supported annotations and standardized intake.
95%
PMI accuracy
On standard annotations — up to 99% with a custom quality gate.
5–20s
Per-page processing
Provisioned & enterprise tiers run parallel jobs.
EU / US
Flexible residency
Encrypted in transit and at rest; zero retention optional.
Security & compliance

Built for teams that can't take chances with their IP.

  • EU or US data residencyChoose where your data lives — Frankfurt (EU) or N. Virginia (US), with geo-redundant backups in Stockholm and N. California. Hosted on AWS.
  • Zero retention availableThere is nothing to restore, because there is nothing held. Drawings are processed and discarded.
  • Encrypted in transit & at restTLS everywhere, encrypted storage, German law and full GDPR compliance by design.

Data residency

eu-central-1 · FrankfurtEU
eu-north-1 · StockholmBackup
us-east-1 · N. VirginiaUS
us-west-1 · N. CaliforniaBackup
// retention: configurable
// default: zero-retention available
Trusted by

Teams already shipping with Werk24.

“
The PMI extraction of Werk24 increases our calculation accuracy.
LR
Christoph B. Rößner & Adrian RaidtFounders, Laserhub
“
With Werk24, thousands of drawings can be processed in a few hours.
HJ
Henk JonkerCo-Founder, Dimanex
Pricing

Start at €0.95 per page. No commitment.

Pay-as-you-go gets you a production API key today — no tier fee, no contract. Move to a tier when volume makes it cheaper.

Pay-as-you-go
€0.95/ page

Full production access to all three SKUs. No tier fee, no minimum, cancel anytime. Upgrade to a tier later — you keep your API key.

Get an API key

Essential

Tier fee + per-page
€390/ mo
  • 500 pages included
  • Best-effort queue (≤ 10 min p99)
  • Standard API output
  • Email & Slack support
  • Data residency: EU or USA
Choose Essential
Most popular

Growth

Most teams start here
€1,490/ mo
  • 2,500 pages included
  • 10× faster queue (≤ 10s p99)
  • E2E encryption + zero retention
  • 15% overage discount
  • Priority support
Choose Growth

Corporate

Dedicated environment
from €2,990/ mo
  • 5,000–15,000+ pages
  • No queuing, parallel jobs
  • Up to 55% overage discount
  • Custom SLA & compliance
  • Custom output schema
Schedule a call

All prices are net and exclude VAT and any applicable taxes.

See full pricing & per-page rates

Send a PDF. Get structured JSON.

Test Werk24 on your own drawing — free, in the browser, no integration required.

Test it free Get an API key — €0.95/page
✓No credit card to test✓JSON in ~60 seconds✓No commitment