About Tabstack
Overview
Tabstack is a managed web API for data extraction, web research, content generation, and browser automation. You send a URL, schema, question, or task, and the service returns structured data, cited answers, or a completed browser task without requiring you to operate browser infrastructure, an LLM, or an orchestration pipeline.
The API supports clean Markdown extraction, schema-matched JSON, reasoned output, live-web research, and multi-step actions on JavaScript-heavy sites. Tabstack says it keeps requests and retrieved pages private by default, purges them after completing and supporting a call, does not sell them, and does not use them to train models.
Key Benefits
- Return clean Markdown from any URL for documentation, articles, and product pages.
- Map web pages to a JSON schema, including nested fields such as per-size stock.
- Generate reasoned output from instructions instead of limiting responses to field extraction.
- Research the live web and return synthesized answers with inline citations for each claim.
- Run browser tasks that navigate pages, click controls, fill forms, and complete multi-step flows.
- Pause automation for human input when a task requires user judgment.
How It Works
Choose an endpoint for extraction, generation, research, or automation, then send the target URL and the schema, question, or plain-language task. Tabstack handles rendering, reasoning, source selection, schema enforcement, browser interaction, and orchestration before returning a response; research and automation can stream results over server-sent events.
Use Cases
- Competitive intelligence teams monitor competitor pricing, packaging, and positioning with scheduled structured extraction.
- Sales and marketing teams enrich inbound leads with headcount, technology stack, funding, and ICP-fit data.
- Product teams add research agents that answer user questions from the live web with cited sources.
- Booking and checkout agents navigate third-party sites, fill forms, and complete real flows.
- Operations teams automate back-office forms across sites that do not provide an API.
- Knowledge management teams ingest web pages as clean Markdown for retrieval-augmented generation pipelines.
Why Choose This Product
Tabstack combines several web-facing tasks behind one REST API, SDK, or agent-tool integration. It offers TypeScript, Python, CLI, and MCP access, supports frameworks such as LangChain, Vercel AI SDK, OpenAI Agents, Claude Agent SDK, Mastra, LlamaIndex, Pi Agent, eve, and Hermes, and bases browser automation on the open-source Pilo engine, which the page says uses 60–80% fewer tokens than screenshots.
Tabstack Pros & Cons
- 10,000 free credits for new accounts
- Schema-matched JSON extraction
- Cited answers from the live web
- Browser automation with human-input pauses
- TypeScript, Python, CLI, and MCP access
Key Features
Schema-matched JSON extraction
Define a JSON schema and get structured data matching that schema returned inside a single API call.
Clean Markdown extraction
Convert any URL into clean Markdown output for feeding into RAG pipelines or LLM context.
Cited research answers
Ask a question and receive a synthesized answer with inline citations linked to source pages.
Plain-language browser automation
Describe a task in plain language and Tabstack navigates, clicks, and fills forms on live pages.
Human-in-the-loop automation
Pauses automation for human input when a step needs judgment during multi-step flows.
Token-efficient browser engine
Powered by Pilo, an open-source browser engine that uses 60-80% fewer tokens than screenshot-based approaches.
SSE streaming results
Streams research results over Server-Sent Events (SSE) for real-time consumption.
Live web answers
Results return from the live web, not a pre-indexed cache, ensuring up-to-date answers.
Tabstack Pricing
View full pricing →- 10,000 free credits to explore the full platform
- Access to all API endpoints
- No credit card required
- 100,000 credits included
- Access to all API endpoints
- Fast research mode
- Standard rate limits
- 500,000 credits included
- Everything in Starter
- Fast and Balanced research modes
- Increased rate limits
- 3,000,000 credits included
- Everything in Team
- Highest rate limits
- Custom API quotas
- Dedicated support
- SLAs for high-volume teams
| Feature | Free Trial Free | Starter $10/mo | Team $99/mo | Pro $499/mo | Enterprise Custom |
|---|---|---|---|---|---|
| 10,000 free credits to explore the full platform | |||||
| Access to all API endpoints | |||||
| No credit card required | |||||
| 100,000 credits included | |||||
| Fast research mode | |||||
| Standard rate limits | |||||
| 500,000 credits included | |||||
| Everything in Starter | |||||
| Fast and Balanced research modes | |||||
| Increased rate limits | |||||
| 3,000,000 credits included | |||||
| Everything in Team | |||||
| Highest rate limits | |||||
| Custom API quotas | |||||
| Dedicated support | |||||
| SLAs for high-volume teams |
Pricing extracted from the product website and may change. Check the source for current details.
Frequently asked questions about Tabstack
What does Tabstack provide?
Tabstack provides API endpoints for Markdown extraction, schema-matched JSON extraction, generation, live-web research, and browser automation.
How many free credits does a new account receive?
Every new account includes 10,000 free credits, and the page says no credit card is required to start.
What does the Starter plan cost?
The Starter plan costs $10 per month and includes 100,000 credits, access to all API endpoints, fast research mode, and standard rate limits.
Does Tabstack support browser automation on JavaScript-heavy pages?
Yes. Tabstack describes automation that navigates, clicks, and fills forms on JavaScript-heavy pages, and it can pause for human input in interactive mode.
How does Tabstack handle customer data?
The page says requests and retrieved pages support call completion and are then purged, while Tabstack does not sell them or use them to train models.
Which agent frameworks can Tabstack integrate with?
The integrations page names LangChain, Vercel AI SDK, OpenAI Agents, Claude Agent SDK, Mastra, LlamaIndex, Pi Agent, eve, and Hermes, in addition to plain REST API access.