API For Human Intelligence

Humans On-Demand. Get high quality results within minutes.

Meet our products

Our growing suite of APIs is built to solve hundreds of use cases.

"Draw a bounding box around all the parking lots in the image."

  "instruction": "Draw a bounding box around all the parking lots in the image.",
  "attachment": "http://i.imgur.com/v4cBreD.jpg",
  "objects_to_annotate": ["parking lots"],
  "callback_url": "http://www.example.com/callback",
}, (err, task) => {
    // do something with task
Learn more about Pricing

Meet our Scalers

Scalers are the people behind the scenes helping your company scale. We screen our scalers, build back-end tools, and manage quality so you don’t have to.

Become a Scaler
Response in minutes

We return responses via webhooks in 5 minutes on average. We don’t like waiting either.

Accurate, Quality Responses

We screen and hand-pick our members to make sure they do great work, and our accuracy is over 95%.

Elegantly Simple

Scale is the easiest way to build human-powered features. It's 100x better than Mechanical Turk.

Get started for free today

Humans On-Demand.

Get tasks done within minutes.


715 Bryant st.
San Francisco, CA
(415) 382-9382

  • [email protected]
  • [email protected]