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grappa VS Extractor API

Compare grappa VS Extractor API and see what are their differences

HasData
HasData is a top web scraping platform for developers and enterprises. It delivers structured, real-time data from the web using scalable APIs and no-code tools, removing the need to manage proxies, browsers, or anti-bot systems. sponsored
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Contents:
  1. ยป Base Details
  2. ยป Videos
  3. ยป Reviews
  4. ยป Alternatives

grappa logo grappa

grappa is an declarative, verbose, and expressive assertion library for Python.

Extractor API logo Extractor API

Extract clean text from thousands of articles with a simple API request or use our visual web tool - we'll handle IP rotation, retries and everything else. Features include news search, translation, and ML-powered text extraction.
  • grappa Landing page
    Landing page //
    2022-11-06
  • Extractor API Landing page
    Landing page //
    2023-07-11

Features

IP Rotation & JS Rendering

We automatically apply IP rotation and retries to every request (Free Plan included), and all our paid plans allow you to render JavaScript before extraction.

Search Country News

Free and paid plans can search the world's news with our News Search endpoint. Every request returns up to 100 news items, including metadata. Collect the URLs - then extract clean text with our Extractor endpoint.

Clean Text & Metadata

Extract clean text, HTML, image and video links, authors, title, publication date, html, and raw text. Choose only the fields you need.

API Not Required

You can extract data from up to 1,000 URLs at a time using our online visual extractor - not just the API. The visual extractor is included in all plans.

Store Your Results

Both the API and the visual extractor allow you to store your results in Jobs. Assign your target URLs a job name, then see their progress online or programmatically. Once the job is done, you can retrieve the results any time.

Translate Extracted Text

All paid accounts are able to translate to and from 55 languages. Swahili to English, Vietnamese to French, or anything you want - extract clean text and translate it with a single API call.

grappa

Website
github.com
Pricing URL
-
$ Details
-
Platforms
-
Release Date
-
Categories
#Testing #Python
Edit details

Extractor API

Website
extractorapi.com
Pricing URL
Official Extractor API Pricing
$ Details
freemium
Platforms
Windows Browser Web Android iOS Mac OSX Google Chrome Linux Firefox Cross Platform REST API Safari JavaScript iPhone Chrome OS Internet Explorer Windows Phone Python Node JS Ruby Java C PHP .Net Go Swift C++ Docker ReactJS TypeScript
Release Date
2020 March
Edit details

grappa features and specs

  • Expressive Assertions
    Grappa provides a rich set of expressive assertions which allow for writing readable and concise test cases.
  • Chainable Syntax
    The library supports a chainable syntax that can improve the readability and maintainability of test assertions.
  • Integration
    Grappa can be integrated with multiple testing frameworks, such as Pytest, which can make it easier to incorporate into existing test suites.
  • Extensibility
    The framework supports custom matchers, allowing developers to extend the library's functionality tailored to their specific needs.

Possible disadvantages of grappa

  • Learning Curve
    For developers new to the library, there may be a learning curve associated with understanding the syntax and capabilities of Grappa.
  • Documentation
    Depending on the state of the project, the documentation may not be comprehensive, potentially making it challenging for new users to learn.
  • Community Support
    As a niche library, Grappa might not have as large a community or support as some more widely used testing frameworks.
  • Maintenance
    Open-source projects can sometimes experience slower development and updates, which could impact long-term usability if the project becomes less actively maintained.

Extractor API features and specs

  • Robust API
    We handle IP rotation, retries and JavaScript rendering - you get clean text.
  • News Search
    Search the world's news with a single API call - up to 100 results per request.
  • Extract Everything
    Extract clean text, translate it into 50+ languages and get tons of metadata.
  • Visual Extraction
    Don't want to use the API? Use our visual online tool to paste or upload URLs!
  • Persistent Jobs
    Both our API and online tool allow you to save extracted text to your Jobs page.
  • Quick Start
    Check out the Getting Started guide for a quick overview of the API and the FAQ for more info.

Analysis of grappa

Overall verdict

  • Grappa is a solid, mature parsing library for the JVM that lets developers build parsers directly in Java using a fluent, PEG-based (Parsing Expression Grammar) approach without needing a separate grammar file or code generation step.

Why this product is good

  • Uses Parsing Expression Grammars (PEG), which are unambiguous and easier to reason about than traditional context-free grammars
  • Grammars are written in pure Java as a fluent DSL, so there's no external grammar file or code-generation build step
  • Integrates naturally into existing Java/JVM projects and tooling
  • Supports parser actions, error recovery, and value stack manipulation for building ASTs
  • Successor to the popular Parboiled library, benefiting from lessons learned in that project
  • Open source and hostable/inspectable directly on GitHub

Recommended for

  • Java and JVM developers who want to build parsers without learning a separate grammar language
  • Projects needing custom domain-specific languages (DSLs) or configuration formats
  • Developers who prefer PEG semantics over ambiguous CFG-based tools like ANTLR
  • Teams that want parser logic kept inline in their codebase rather than generated
  • Prototyping and small-to-medium parsing tasks where fluent Java code is convenient

grappa videos

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Extractor API videos

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Extractor API - Visual Extractor Demo

Category Popularity

0-100% (relative to grappa and Extractor API)

grappa

Extractor API

Testing
100 100%
Testing
0% 0
Data Extraction
0 0%
Data Extraction
100% 100
Python
100 100%
Python
0% 0
Web Scraping API
0 0%
Web Scraping API
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare grappa and Extractor API

grappa Reviews

We have no reviews of grappa yet.
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Extractor API Reviews

Creating an Automated Text Extraction Workflow โ€” Part 1
The 600 lbs gorilla, Diffbot, comes with a swath of solid APIs but starts at $300, which is ridiculous if youโ€™re just extracting text. Scrapinghubโ€™s News API, Extractor API, and plenty more are better priced if you want an affordable alternative; plus, Extractor API includes a visual online tool for extracting hundreds of articles at once, if you want to do things via UI.
Source: medium.com

Social recommendations and mentions

Based on our record, Extractor API seems to be more popular. It has been mentiond 3 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

grappa mentions (0)

We have not tracked any mentions of grappa yet. Tracking of grappa recommendations started around Mar 2021.

Extractor API mentions (3)

  • webscraping for sentiment analysis
    Take a look at our webscraping API - should be able to do what you need it to do. https://extractorapi.com/. Source: over 3 years ago
  • Using ChatGPT to build a database from web scraping?
    If you want to make it easier, we built a text extraction tool that can fit a number of use cases https://extractorapi.com/ people are using it instead of GPT for the scraping and then in certain cases feeding the data that comes from here to some broader app/use case. Just another route! Source: over 3 years ago
  • Text Extraction Tool for Training your ChatGPT app
    I'm looking for input on our tool as a pipeline for text data into your own ChatGPT use case. We know you can use ChatGPT API to do the same task, but we've found that to be costly and time-consuming for the text extraction/scraping portion. We've built a cost-effective and quick tool, Extractor API, for that use case. Would love to see what others are using outside of just relying on ChatGPT for text extraction. Source: over 3 years ago

What are some alternatives?

When comparing grappa and Extractor API, you can also consider the following products

assertpy - A straightforward assertion library for Python.

Microlink - Extract structured data from any website

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