SiliconBridgeHuman-in-the-loop API for solving CAPTCHAs, verifications, and approvals on behalf of AI agents.

4.4 (5)

Reviewed by Daniel Nikulshyn·Updated July 2026

API Human-in-the-Loop AI Agents Automation CAPTCHA Solving Web Scraping Developer Tools

Overview

SiliconBridge is a service that connects AI agents to real human workers through an API. When an autonomous workflow hits a CAPTCHA, identity check, or other approval step it can't clear on its own, the task is routed to a person who completes it and returns the result to the agent. The platform is designed for developers building browser automations, scraping pipelines, and agentic systems that need a reliable fallback when automated solvers fail or when human judgment is required. By treating human verification as a callable function, it lets agents keep running end-to-end without manual babysitting.

Key features

REST API for submitting verification tasks
Human workers for CAPTCHA solving
Support for identity and approval checks
Callback-based result delivery
Integration with AI agent frameworks
Usage-based pricing per solved task

Pricing

Model: Free
Category: AI Agents Platform
Rating: 4.4 / 5 (5)

Use cases

Unblock agentic workflows at CAPTCHAs

Route CAPTCHA challenges encountered by autonomous AI agents to human workers via API so end-to-end workflows continue without manual intervention.

Human fallback for scraping pipelines

When automated solvers fail on scraping jobs, submit the task to SiliconBridge and receive the solution through a callback to resume data collection.

Identity verification step in automations

Delegate identity checks that require human judgment to real workers, letting browser automations clear verification gates programmatically.

Approval gating for agent actions

Insert a human approval step into agent decision flows by calling the API, ensuring sensitive actions get reviewed before execution.

Pros & Cons

Pros

Handles verifications automated solvers can't
Simple API fits into agent workflows
Reduces manual intervention in long-running tasks
Supports a range of approval and CAPTCHA types

Cons

Adds per-task cost to automations
Latency depends on human availability
Raises compliance questions for some use cases
Less predictable than pure software solvers

Reviews

4.4

Average from 5 ratings.

Nadia Petrova

Mar 30, 2026

Compared a few options

Evaluated this against two competitors. Where it wins: rEST API for submitting verification tasks and simple API fits into agent workflows. Where it lags: less predictable than pure software solvers. On balance the feature set — especially usage-based pricing per solved task — justifies the 4 stars for our use case.

Esther Adeyemi

Mar 12, 2026

Solid for our team

We rolled this out across the team last quarter and handles verifications automated solvers can't. Usage-based pricing per solved task fits neatly into how we already work, and rEST API for submitting verification tasks removed a step we used to do by hand. Latency depends on human availability, which is the main caveat, but it has held up under daily use.

Ingrid Bauer

Feb 23, 2026

Solid for our team

We rolled this out across the team last quarter and supports a range of approval and CAPTCHA types. Callback-based result delivery fits neatly into how we already work, and usage-based pricing per solved task removed a step we used to do by hand. but it has held up under daily use.

Rina Desai

Jan 20, 2026

Skeptical, then convinced

I went in skeptical — most tools in this space overpromise. It actually delivers on human workers for CAPTCHA solving, and supports a range of approval and CAPTCHA types caught me off guard. still, I'd recommend giving it a real trial.

Fatima Zahra

Jul 16, 2025

Use it every day

Honestly didn't expect to like it this much. REST API for submitting verification tasks is exactly what I needed, and supports a range of approval and CAPTCHA types. I do wish less predictable than pure software solvers, but I reach for it almost every day now and it just clicks.

Q&A

How does SiliconBridge's pricing work?

SiliconBridge uses usage-based pricing, charging per solved task. You only pay when a human worker successfully completes a verification, CAPTCHA, or approval step, which adds a per-task cost to your automation workflows.

What types of verifications can it handle beyond CAPTCHAs?

In addition to CAPTCHA solving, SiliconBridge supports identity checks and approval steps. Any verification that requires human judgment can be submitted via the REST API and routed to a human worker for completion.

How does it integrate with existing AI agent workflows?

SiliconBridge provides a REST API for submitting tasks and uses callback-based result delivery, so agents can continue running asynchronously. It's designed to integrate with AI agent frameworks, browser automations, and scraping pipelines as a callable fallback function.