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Twelve Data VS assertpy

Compare Twelve Data VS assertpy and see what are their differences

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Twelve Data logo Twelve Data

The simplest and most effective way to access both realtime and historical stock, forex, cryptocurrency data, and over 100 technical indicators.

assertpy logo assertpy

A straightforward assertion library for Python.
  • Twelve Data Landing page
    Landing page //
    2023-09-23
  • assertpy Landing page
    Landing page //
    2022-11-06

Twelve Data features and specs

  • Comprehensive Data Coverage
    Twelve Data provides access to a wide range of financial data including real-time and historical data for stocks, ETFs, mutual funds, indices, and forex, which is beneficial for comprehensive market analysis.
  • Affordable Pricing
    Twelve Data offers a variety of pricing plans, including a free tier with essential features, which makes it accessible to individual developers and small businesses.
  • Ease of Use
    The API is designed to be user-friendly with well-documented endpoints, making it easy for developers to integrate the service into their applications.
  • High Scalability
    Twelve Data offers robust and scalable API solutions that can handle a large volume of requests, suitable for both small projects and large-scale applications.
  • Global Market Coverage
    The platform provides data from global markets, allowing users to access information from multiple exchanges around the world.

Possible disadvantages of Twelve Data

  • Limited Advanced Features
    While Twelve Data offers a wide range of basic and intermediate features, it may lack some of the advanced analytics and tools needed by experienced traders or larger financial institutions.
  • Rate Limits on Lower Tiers
    The free and lower-tiered plans come with rate limits that can be restrictive for users requiring frequent data access or handling high traffic.
  • Dependency on API Availability
    As with any third-party data provider, users are dependent on the API's uptime and reliability, which can impact applications if there are outages or downtime.
  • Potential Data Lag for Free Plan
    Users on the free plan may experience delays or less frequent updates compared to those on paid plans, which can be a drawback for time-sensitive applications.

assertpy features and specs

  • Fluent API
    Assertpy offers a fluent API that makes assertions more readable and expressive, enabling developers to write assertions in a natural language style that is easy to understand.
  • Chainable Assertions
    It allows for chainable assertions, enabling multiple checks to be performed in a single line of code, thereby reducing verbosity and enhancing clarity.
  • Comprehensive Assertion Methods
    The library provides a wide range of built-in assertion methods, catering to various types of data validations, such as checking for size, type, value, and more.
  • Extensibility
    Assertpy supports extending its functionality by defining custom assertions, allowing developers to tailor it to their specific needs.
  • Pythonic
    Designed with Pythonic principles in mind, Assertpy fits seamlessly into Python projects, enabling idiomatic and consistent code style.

Possible disadvantages of assertpy

  • Learning Curve
    Developers new to the library may encounter a learning curve due to the distinct approach of using fluent and chainable assertions as opposed to traditional methods.
  • Limited by Python Version
    The library may have limitations in terms of compatibility with older versions of Python, requiring users to ensure their environment is up-to-date.
  • Performance Overhead
    The additional abstraction layer introduced by a fluent interface might introduce some performance overhead, especially in performance-critical or resource-constrained environments.
  • Less Community Support
    Compared to more established testing libraries, Assertpy might have less community support and fewer resources available for resolving issues or getting help.
  • Dependency Management
    Using a third-party library introduces additional dependencies to manage, which could complicate project maintenance and compatibility.

Analysis of assertpy

Overall verdict

  • assertpy is a well-regarded, lightweight assertion library for Python that provides a fluent, chainable API for writing readable and expressive test assertions, making it a solid choice for improving test clarity.

Why this product is good

  • Offers a fluent, chainable assertion syntax that makes tests more readable and self-documenting
  • Comprehensive built-in assertions for strings, numbers, lists, dicts, files, dates, and more
  • Produces clear, descriptive failure messages that speed up debugging
  • Lightweight with minimal dependencies and easy to integrate into existing test suites
  • Framework-agnostic, working seamlessly with pytest, unittest, and other test runners
  • Actively maintained open-source project with good documentation and community support

Recommended for

  • Python developers who want more readable and expressive test assertions
  • Teams using pytest or unittest looking to enhance assertion clarity
  • Projects that value descriptive failure messages for faster debugging
  • Developers coming from fluent assertion libraries in other languages (like AssertJ or Chai)
  • QA engineers and testers writing maintainable, self-documenting test code

Twelve Data videos

Twelve Data Demo Review

assertpy videos

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Category Popularity

0-100% (relative to Twelve Data and assertpy)
Finance
100 100%
0% 0
Testing
0 0%
100% 100
APIs
100 100%
0% 0
Python
0 0%
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 Twelve Data and assertpy

Twelve Data Reviews

  1. Best API for real-time financial data

    Straightforward to use and powerful API to get financial data in real-time and complete historical data. Best in class Python package.

    ๐Ÿ Competitors: Alpha Vantage, Polygon.io
    ๐Ÿ‘ Pros:    Equity data|Forex|Crypto|Affordable|Reliable

assertpy Reviews

We have no reviews of assertpy yet.
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Social recommendations and mentions

Based on our record, Twelve Data seems to be more popular. It has been mentiond 9 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.

Twelve Data mentions (9)

  • I Wanted Real-Time Stock Charts on My Garmin Watch. Monkey C Had Other Plans.
    I chose Twelve Data for stock and crypto prices. Free tier: 800 calls per day. My math: 5 symbols ร— 96 fetches/day (every 15 minutes) = 480 calls. Comfortable margin. - Source: dev.to / 21 days ago
  • Building a Gold (XAUUSD) Trend Tracker with Python and SQLite
    I am using TwelveData forex API for Extraction of raw data from the financial markets in JSON format. - Source: dev.to / over 1 year ago
  • Top 5 Free Financial Data APIs for Building a Powerful Stock Portfolio Tracker โšก
    Twelve Data provides extensive financial market coverage, making it ideal for those looking for a free API for building a stock portfolio tracker. - Source: dev.to / over 1 year ago
  • Webflow Crypto Market Data Ticker
    I'd suggest Twelve Data for the financial data feed, if you have a budget for this: https://twelvedata.com/. Source: over 2 years ago
  • Where can I find a free source of historical S&P500 index data at hourly intervals?
    You can use https://twelvedata.com/ they offer an API and their free plan allows 800 credits a day so over a number of days you could get what you need. Source: about 4 years ago
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assertpy mentions (0)

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

What are some alternatives?

When comparing Twelve Data and assertpy, you can also consider the following products

Alpha Vantage - Alpha Vantage offers free APIs in JSON and CSV formats for realtime and historical stock and forex data, digital/crypto currency data and over 50 technical indicators.

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

Polygon.io - Polygon.io offers streaming realtime data for stocks/equities, ETFs, Indecies and Forex/Currencies including crypto currencies. Our Real-Time Stock Data APIs help you build the future on fintech.

Financial Modeling Prep - Access all stocks discounted cash flow statements, market price, stock markets news, and learn more about Financial Modeling. Learn M&A, LBO, DCF, Comps, and Financial Statement Modeling thought concrete examples

FinancialData.net - Stock Market and Financial Data API

FinFeedAPI - Developer-first market data API