clickworker records 1,861,149 monthly visits with +0.5% month-over-month growth and Contact for Pricing pricing. SharpAPI records 3,053 monthly visits with +158.1% growth and Free Trial, Contact for Pricing pricing.
Crowdsourcing data services for AI training and market data
Pre-built AI API endpoints that return clean JSON
| Dimension / Metric | | |
|---|---|---|
| Official Domain | clickworker.com | sharpapi.com |
| Pricing Model | Contact for Pricing | Free Trial, Contact for Pricing |
| Monthly Visits | 1.86M (1,861,149) | 3.05K (3,053) |
| MoM Traffic Delta | +9.57K (+0.5%) | +1.87K (+158.1%) |
| Primary Market & Share | 🇺🇸 United States (27.6%) | 🇺🇸 United States (58.4%) |
| Direct Visits / mo | 947.13K | 1.2K |
| User Rating | 3.9 | 4.4 |
| Supported Platforms | Website | Website |
Crowdsourcing data services for AI training and market data
Custom image, video, audio and text datasets with human labeling, annotation and validation, delivered with parent company LXT.
Registered freelancers in 136 countries fill microtasks through web, Android and iOS apps, with flexible scaling up or down.
An all-in-one survey tool plus access to a verified respondent pool for external studies and targeted insights.
Real-time point-of-sale data collection, display audits, mystery checks, and usability testing for websites, apps and games.
Pre-built AI API endpoints that return clean JSON
More than 30 endpoints span resume parsing, job matching, invoice extraction, translation, SEO tags, content summarization, sentiment and product description generation.
Test real endpoints in the browser on bundled sample documents and text, and see the same JSON your application would receive.
Turn any AI prompt into your own production REST API endpoint when the standard catalog does not cover a bespoke need.
Each subscription holds at least one credit that grants a monthly word quota; credits can be added or removed as volume changes.
Offers a high-quality pool of verified human participants for research and preference tuning, but is less focused on traditional data annotation.
Offers a high-quality pool of verified human participants for research and preference tuning, but is less focused on traditional data annotation.
Connects subject matter experts for advanced LLM training and prompting, but lacks general microtask crowdsourcing capabilities.
Connects subject matter experts for advanced LLM training and prompting, but lacks general microtask crowdsourcing capabilities.
Free / Open-sourceWeb data API that turns any site into clean, AI-ready content
Free / Open-sourceWeb data API that turns any site into clean, AI-ready content
Specializes in matching AI labs with vetted human experts for RLHF, but offers fewer general data annotation services.
Specializes in matching AI labs with vetted human experts for RLHF, but offers fewer general data annotation services.
Free / Open-sourceBuild, train, and deploy computer vision for the physical world
Free / Open-sourceBuild, train, and deploy computer vision for the physical world
SpecialistAI search and retrieval platform for modern apps and commerce
Provides enterprise-grade data annotation and training datasets at scale, but with a more corporate engagement model.
Search foundation built from embeddings, rerankers, and reader APIs
Focuses on elite domain experts for complex RLHF and frontier AI evaluation, but lacks casual crowdsourcing tasks.
Focuses on elite domain experts for complex RLHF and frontier AI evaluation, but lacks casual crowdsourcing tasks.
OCR and multi-modal document extraction APIs with built-in fraud detection
SpecialistREST API to convert, edit and extract data from PDFs
