OCR and Image Transcription API

Extremely accurate, cost-effective OCR and image transcription via API.

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Use Cases

Our combination of humans and machine learning is built to solve a wide range of use cases. Our goal is to power innovation, wherever that may be.

Accurate, Scalable Image Transcription

Powered by a combination of automation and our Scaler community, we provide best-in-class OCR through our dead-simple API.

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Flexible and Fast

We're built to solve your transcription needs with incredibly easy setup. Simply create human-understandable instructions with some examples, and get started with the API in minutes.

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Best-in-Class Accuracy

Scale uses a combination of skilled humans and powerful automation to deliver best-in-class accuracy at the best price. We pride ourselves in our ability to deliver quality.

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Elegant Automation

Unlike solutions that require you to build the tooling and messy integrations yourself, we provide automation through a developer friendly API. It's never been easier to build human-in-the-loop apps.

We Are Scalable

We are built to handle millions of requests per month. Scale is powered by our distributed team of hard-working Scalers augmented with machine learning technology.

Our effective screening, training, and routing software help ensure that we deliver only the highest quality at scale.

OCR and Image Transcription tasks
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Developer First

We relentlessly focus on providing the best experience possible for developers.

We do all the heavy lifting in the background so you can get started with just a few lines of code.

Explore our docs
  callback_url: 'http://www.example.com/callback',
  instruction: 'Transcribe the given fields.',
  attachment: 'http://s3.amazon.com/img/receipt.jpg',
  attachment_type: 'image',
  fields: {
    store_name: 'Store Name',
    invoice_date: 'Invoice Date',
    total: 'Total'
}, (err, task) => {
  // do something with task

Scale is trusted by world-class companies.

The world's best and most innovative companies use Scale to power large-scale human operations. We consistently impress with our incredible quality and cost effectiveness.


You only pay for what you use. There are no additional costs or termination fees.


Use CaseExpress Urgency
Standard Urgency
Invoice Transcription$0.30 / Invoice + $0.20 / Field$0.12 / Invoice + $0.08 / Field
Menu Transcription$0.30 / Menu + $0.20 / Menu$0.12 / Menu + $0.08 / Menu
Form Transcription$0.30 / Form + $0.20 / Field$0.12 / Form + $0.08 / Field

If you have more than 10.000 requests per month or are looking for volume discounts, turnaround SLAs, or quality SLAs, chat with us about our Enterprise Plans.

We’ll even give you 5 free API calls. Create free Account


Custom annual plans for higher volume.

  • Upfront Custom Pricing
  • Quality and Throughput SLAs
  • Individualized Support
  • Dedicated Account Managers