Connect API for automated data collection

Automate high-quality human data collection at scale

Create and launch projects, reach verified participants, collect and review responses, and deliver structured results directly to your systems. Use flexible workflows for research, business, AI training, model evaluation, and human feedback.

Explore automation patterns Explore AI data workflows

Verified participants
Flexible task experiences
Structured, API-ready results

Set upProjects, tasks, targeting, schedules

RecruitVerified participants and reusable groups

Collect and reviewResponses, labels, ratings, quality

DeliverStructured results ready for your systems

APIsetup through delivery

Humanverified responses

JSONstructured results

Choose your path

Choose what you want to accomplish

Each guide walks through a complete task and explains the Connect terms along the way. Open the API Reference when you need the full list of request and response fields.

Featured automation guide

Automate your data-collection workflow

Set up projects, check progress, prevent duplicates, review work, manage payments, retrieve results, and invite trusted participants again.

Explore automation patterns AI use case · 15 min

Build an AI annotation dataset

Send each image to three reviewers, collect their labels, compare their answers, and approve high-quality work.

Open the AI data guide Migration cookbook

Move from MTurk and Crowd HTML

Learn how MTurk HITs, workers, qualifications, and Crowd HTML tasks translate to Connect.

See the concept map

Flexible data workflows

Built for research, business, and AI

Choose built-in Data Labeling for straightforward media tasks, an external study link for an existing experience, or Custom HTML when your workflow needs richer interactions.

Research studies

Recruit the right participants for surveys and experiments

Target a defined audience, launch on a schedule, monitor progress, and retrieve participant and assignment data through the API.

Business workflows

Collect structured review and feedback at scale

Gather ratings, classifications, rankings, explanations, or other responses and link every result to the original input.

AI training and evaluation

Label data and evaluate model outputs

Collect labels for images, text, audio, or video, then ask people to rate relevance, safety, quality, or side-by-side model responses.

Human feedback

Review quality and improve the next round

Compare independent responses, resolve disagreements, save trusted participants in groups, and invite them to follow-up projects.

Quickstart

Prove your API key works

Connect uses server-side API keys and JSON over HTTPS. Make this Account API request to confirm your key works, then continue into a complete guide.

1
Create an API keyOpen the API Keys page in Connect and create a key.
2
Store it on your serverUse a secret manager or protected environment variable.
3
Confirm the account responseA 200 response confirms the API key can access your Connect account.

Next: Explore the project lifecycle from setup and progress checks through review, payment, and results delivery.

# Keep this key on your server
curl --request GET \
  'https://connect-api.cloudresearch.com/api/v1/account' \
  --header 'X-API-KEY: YOUR_API_KEY'

Support

Talk to a person when you need one

Planning an integration, choosing the right endpoints, or wondering whether the API fits your workflow? Email support@cloudresearch.com and we'll help you map it out. For current platform availability, check the status page.

Ready to build?

Start automating your data-collection workflow

Use Connect to coordinate project setup, participant recruitment, response collection, quality review, and structured data delivery from your own systems.

Explore automation patterns Explore AI data workflows