Best Financial Data APIs - Page 8

How Many Financial Data APIs Products Does G2 Track?

Total Products under this Category: 252

Category Stats (Sep 2026)

  • Average Rating: 4.41/5 (↑0.01 vs Aug 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Crunchafi Data Extraction (formerly Strongbox) (+1.87%) - Among all products in this category, Crunchafi Data Extraction (formerly Strongbox) recorded the largest rating increase compared to last month

Last updated: September 15, 2026

How Does G2 Rank Financial Data APIs Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 1,500+ Authentic Reviews
  • 252+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Financial Data APIs

G2 Grid® for Financial Data APIs plotting products by satisfaction and market presence

Highlighted products: Plaid, Stripe Connect, Merge Unified, Spade, Finch, Apideck Unify, Crunchafi Data Extraction (formerly Strongbox), and Mastercard API.

Underlying data: [Grid® JSON](https://www.g2.com/categories/financial-data-apis/grids.json?focus%5B%5D=plaid&focus%5B%5D=stripe-connect&focus%5B%5D=merge-unified&focus%5B%5D=spade-spade&focus%5B%5D=finch-finch&focus%5B%5D=apideck-unify&focus%5B%5D=crunchafi-data-extraction-formerly-strongbox&focus%5B%5D=mastercard-api)

Afinec Financial Data

Financial Data API provides market data, company fundamentals, alternative data, and much more. Over 20 years of historical data available, including information on 15.000+ stocks, 20.000+ funds, 2000+ ETFs, 13.000+ OTC securities.

Who Is the Company Behind Afinec Financial Data?

AiLA

AiLA is a Singapore-based financial technology firm specializing in the development of systematic investment strategies and indices across various asset classes. Leveraging advanced machine learning and data-driven methodologies, AiLA offers a suite of products designed to generate alpha, manage volatility, and replicate returns of illiquid assets through tracker indices. Their solutions cater to asset owners, ETF issuers, and banks, providing transparent, rigorous, and scalable investment tools. Key Features and Functionality: - Alpha Products: Designed to deliver absolute returns by employing opportunistic strategies that dynamically adjust allocations based on market conditions. - Tracker Products: Enable replication of illiquid or non-tradable assets by constructing baskets of liquid, tradable assets, thereby enhancing transparency and tradability. - Automated Index Process: Utilizes a fully automated, systematic process for data collection, signal generation, and index construction, ensuring consistency and auditability. - Scalability: The technology is adaptable across various asset classes and time horizons, allowing clients to develop and deploy investment products efficiently and cost-effectively. Primary Value and User Solutions: AiLA addresses the need for innovative, data-driven investment solutions that can adapt to dynamic market conditions. By providing products that generate differentiated returns and enhance transparency, AiLA empowers clients to manage risk effectively, optimize portfolio performance, and access previously illiquid markets through tradable instruments. Their systematic approach ensures that investment decisions are based on robust analytics, reducing reliance on traditional diversification strategies and mitigating roll costs.

Who Is the Company Behind AiLA?

AlphaAI

AlphaAI is a financial news REST API delivering relevance-scored, ticker-linked articles to trading bots, AI agents, and dashboards via JSON over HTTPS. It filters financial news server-side, eliminating raw data processing. Articles are pre-scored for trading relevance (1-10), tagged with tickers, and enriched with sentiment analysis and reasoning. Monitoring global financial press via GDELT and SEC EDGAR filings (Form 4, 8-K, 6-K), the platform validates content to remove spam and invalid tickers. It tracks over 6,000 sources, filtering out low-relevance content. Query parameters enable symbol filtering, category selection, relevance thresholds, and delta polling. SDKs for Python and TypeScript manage pagination, retries, and rate limits. Features include insider transaction feeds, macroeconomic news, webhook notifications, ticker-specific feeds, trending stories, and customizable alerts. Authentication uses a Bearer token, with tiered access plans offering varied rate limits.

Who Is the Company Behind AlphaAI?

ALVIERE

Enterprise-grade embedded finance platform enables you to offer your customers bank accounts, physical or vritual cards, global money movement, and currency exchange

Who Is the Company Behind ALVIERE?

  • Seller: ALVIERE
  • Year Founded: 2020
  • HQ Location: Denver, US
  • Twitter: @AlviereFT
    98 Twitter followers
  • LinkedIn® Page: pt.linkedin.com
    82 employees on LinkedIn®

AnyTax

AnyTax GmbH is a Berlin-based fintech company that provides API-first, embedded tax infrastructure for banking, fintech, professional advisor platforms, and more. AnyTax enables financial institutions and fintech applications to integrate tax planning, dynamic tax estimations, and filing directly into their existing products. By handling backend tax logic, regulatory updates, and automated connections to tax authorities (such as Germany's ELSTER interface), the platform allows platforms to offer turnkey, white-labeled tax experiences without building complex software in-house

Who Is the Company Behind AnyTax?

  • Seller: AnyTax
  • Year Founded: 2024
  • HQ Location: Berlin, DE
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

aplonHUB

aplonHUB is a lightweight, platform-independent payments hub designed to enhance existing banking systems by providing comprehensive support for various financial messaging standards, including SEPA, SWIFT MT, and ISO 20022. Its flexible architecture allows for seamless integration with core banking systems, enabling financial institutions to modernize payment processes, adopt new payment schemes, and ensure compliance with evolving regulatory requirements. With a minimal footprint, aplonHUB can be deployed rapidly, facilitating the efficient management and routing of financial messages. Key Features and Functionality: - Comprehensive Message Support: Handles incoming and outgoing messages across multiple standards such as SWIFT MT, ISO 20022, SEPA, TARGET2, CBPR+, MEPS+, and FedNow. - Versatile Payment Instruments: Supports Credit Transfers, Direct Debits, Instant Payments, Request-to-Pay, RTGS, and HVPS. - Advanced Validation and Alerts: Performs syntax checks, duplication detection, AML validation, and rule-based assessments, generating alerts for any discrepancies. - Automated Message Handling: Automatically generates replies, returns, and cancellation requests for various message types, streamlining operations. - Seamless Integration: Connects effortlessly with core banking systems and external AML solutions, ensuring compliance and operational efficiency. - User-Friendly Interface: Offers a modern, intuitive UI with robust search capabilities, allowing users to filter messages by date, status, or content. - Security and Auditing: Implements role-based access control, maintains detailed audit logs, and supports SWIFT Local Authentication (LAU to ensure data integrity and compliance. Primary Value and Problem Solved: aplonHUB addresses the challenges financial institutions face in adapting to new payment schemes and regulatory standards. By decoupling payment processing from inflexible core systems, it provides agility and simplifies the adoption of standards like ISO 20022 and instant payments. This modernization reduces the time and resources required for compliance, enhances operational efficiency, and future-proofs institutions against continuous market changes. Additionally, the integration of Generative AI assists in AML compliance by analyzing transaction data and identifying potential fraudulent activities, further strengthening the security and reliability of payment operations.

Who Is the Company Behind aplonHUB?

Arbo

Who Is the Company Behind Arbo?

  • Seller: Arbohq
  • Year Founded: 2018
  • HQ Location: Atlanta, US
  • LinkedIn® Page: www.linkedin.com
    7 employees on LinkedIn®

Arda

Arda is developing a universal operating system for the real estate sector, aiming to unify assets, data, and financial services into a single, interoperable system. By leveraging artificial intelligence and blockchain technology, Arda seeks to reduce transaction times and enhance transparency, enabling real-time ownership and financial processes. Key Features and Functionality: - Digital Asset Profiles: Provides verifiable records of property history, streamlining due diligence processes. - Real-Time Money Movement: Facilitates payments directly linked to transactions, improving settlement efficiency. - Integrated Data and Automation: Automates workflows to reduce administrative friction in asset management. Primary Value and Problem Solved: Arda addresses the fragmentation and opacity in the $380 trillion real estate market by creating a programmable, trust-based system. This innovation brings real estate transactions in line with modern digital financial infrastructure, enhancing efficiency and transparency for institutions, enterprises, and governments.

Who Is the Company Behind Arda?

Aritma

Build your financial solutions with our API Platform, or use our plug-and-play-solutions for optimising payments and reconciliation workflows. Financial infrastructure is complex and varies greatly between different banks and different domestic markets. Aritma’s solutions and APIs handle this complexity. We enable fintechs and ERP vendors access and exchange financial data through a single standardised API, irrespective of banks and domestic infrastructure peculiarities.

Who Is the Company Behind Aritma?

  • Seller: Aritma
  • Year Founded: 2004
  • HQ Location: Paris, FR
  • LinkedIn® Page: www.linkedin.com
    3 employees on LinkedIn®

Ayoconnect

Ayoconnect is a financial technology company based in Jakarta, Indonesia. It is now the largest Open Finance API platform in Southeast Asia, aiming to transform the financial services landscape in the region and power the leading companies of today and tech unicorns of tomorrow. Founded in 2016, the company provides ready-made, full-stack API solutions to easily launch financial services for businesses of all industries and sizes. Key solutions offered include Direct Debit, FAST Disbursement, White Label Virtual Cards, and Digital Products. Ayoconnect is trusted by more than 200+ companies in Southeast Asia, including Bank BRI, Bank Mandiri, Gopay, Traveloka, BPJAMSOSTEK, AXA Insurance and Chubb. Ayoconnect has received $43 million in total funding and is a company of builders and problem-solvers who are encouraged to express their creativity and ownership in fostering ongoing daily improvements. The company is also committed to driving continuous innovation in the financial services sector and offers its employees the freedom to do their best work in advancing Southeast Asia's financial technology industry

Who Is the Company Behind Ayoconnect?

  • Seller: Ayoconnect
  • Year Founded: 2016
  • HQ Location: Jakarta Selatan, ID
  • LinkedIn® Page: www.linkedin.com
    129 employees on LinkedIn®

BANKSapi

We connect you to millions of bank accounts to streamline processes and provide turnkey insights and value - with 1 API. We develop and operate REST-APIs and GUIs all around the topic of finance. As a specialised connectivity and payment provider, we are fully dedicated to the growth areas of Open Banking and Open Finance. To make this possible, we provide account information services and offer payment initiation services on our regulated and secure platform as a payment institution approved by the German authorities (BaFin). Due to our advanced, AI-based data analytics, we offer high-performance value-added services for a wide range of use cases (e.g. contract recognition, age verification, KYC light based on account data or affordability checks). In addition, we realise and operate your personal finance or business finance application as a web portal or mobile app cost-effectively with our front-end technology platform. With our SaaS and ASP solutions, we maximally reduce complexity for our clients from a multitude of industries (e.g. insurance companies, ERP & accounting, financial advisory) and enable new use cases and business models for them.

Who Is the Company Behind BANKSapi?

Barchart OnDemand

Barchart OnDemand provides direct, extensive and reliable financial market data APIs. The convenient tools make it easy to integrate market data into applications, websites, charts and financial tools. Barchart OnDemand can provide a fully custom or off-the-shelf solution with flexible APIs that can be tailored to include only the data that is necessary. With direct connectivity to the exchanges, Barchart OnDemand is completely platform-independent so the data can be received in any operating system or programming language. Data Coverage: -Exchange Price Data -Index Price Data -Commodities -Equities -Technical Data -ETFs & Mutual Funds -OTC & Cash Markets -Fixed Income -Economic Data -Forex -Corporate Actions -News -Weather

Who Is the Company Behind Barchart OnDemand?

  • Seller: Barchart
  • Year Founded: 1980
  • HQ Location: Chicago, US
  • Twitter: @Barchart
    521,184 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    93 employees on LinkedIn®

Basiq

Basiq enables users to access financial data from sources via simple set of APIs.

Who Is the Company Behind Basiq?

  • Seller: Basiq
  • HQ Location: N/A
  • Twitter: @basiqio
  • LinkedIn® Page: www.linkedin.com
    2 employees on LinkedIn®
Nathan Calabrese
NC
Researched and written by Nathan Calabrese
Updated October 3, 2024