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GetABrain.ai

Human-in-the-loop as one API call — real people answer in minutes, returned as clean JSON

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paidPay per answer with no subscription. The minimum bid is $0.05 per response and a 15% platform fee is added on top. A worked example on the site shows 3 responses at a 25-cent bid costing $0.75 total. There is a test mode for development and no card is required to start. Workers cash out from $10 via Stripe.View full pricing →

Visit GetABrain.ai

https://www.getabrain.ai

About GetABrain.ai

GetABrain.ai turns human-in-the-loop from an architecture diagram into a single API call. You POST a query — an A/B test, a preference question, a judgement call — and real people answer it, with clean JSON returned to your code in minutes. There are no survey tools to configure, no panel to recruit and no scheduling. Sixteen response types are supported, and workers can now record voice, video and photos as well as text, so the answers are not limited to multiple choice. The example on the site is concrete: an A/B headline test with three required responses and a 25-cent bid returns a consensus verdict in about seven minutes at a total cost of 75 cents. Access is via REST, Node and Python SDKs, or MCP — which means an autonomous agent can ask a human directly when it hits something it should not decide alone. Pricing is genuinely per-answer with no subscription: the minimum bid is $0.05, a 15% platform fee is added on top, and there is a test mode for development. Better-rated workers unlock better-paying requests, and workers cash out from $10 via Stripe, so there is a real supply side rather than a synthetic one.

Key Features

Single POST to get answers from real people back as JSON
16 response types including voice, video and photo capture
REST API plus Node and Python SDKs, or MCP for agents
Consensus reported across multiple required responses
Typical turnaround measured in minutes
Per-answer bidding with no subscription
Test mode for development without spending

GetABrain.ai Pros & Cons

Pros

  • +MCP support means an agent can escalate to a human without a custom integration
  • +No subscription — cost tracks usage exactly, down to five cents a question
  • +Voice, video and photo responses give qualitative depth a survey tool cannot
  • +Minutes-scale turnaround makes it usable inside a running workflow, not just for research
  • +The worker-quality tiering gives a real incentive structure rather than a scraped panel

⚠️ Cons

  • The 15% platform fee on top of the bid is easy to overlook when budgeting
  • Low bids likely mean slower or lower-quality answers, and the trade-off is not published
  • Respondent demographics are not controllable the way a research panel would be
  • Depends on marketplace liquidity — thin supply would break the minutes-scale promise

Who Is GetABrain.ai Best For?

👤Developers who want a human check inside an autonomous agent loop
👤Founders running fast headline, pricing or copy A/B judgements
👤Teams that need qualitative input without standing up a research process

Tags

human-in-the-loopapimcpai-agentsuser-researchab-testing
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