Best Financial Data APIs - Page 7

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)

Quandl - Financial Data API

Get millions of financial and economic datasets from hundreds of publishers via a single free API.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Quandl - Financial Data API?

  • Quality of Support: 10.0/10 (Category avg: 8.6/10)
  • Ease of Use: 10.0/10 (Category avg: 8.8/10)

Who Is the Company Behind Quandl - Financial Data API?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Quandl - Financial Data API?

What Are G2 Users Discussing About Quandl - Financial Data API?

Routefusion, Cross-border Payments Provider

Routefusion's unified API simplifies cross-border payments for businesses by offering secure, compliant, and easily accessible global financial infrastructure. Routefusion's customers are able to cut implementation time by 87% from months to weeks, with a delivery success rate of 99.93%. Features include: - Unified API built for scalability - Payment product diversity including SWIFT, local payments, and real-time payments - Virtual global accounts - Dedicated global accounts - Derisking by building multiple redundant financial partnerships - Industry veterans with one of the best compliance teams in the space - Implementation speed of 2 to 8 weeks, among the fastest in the industry - Real-time customer support in the U.S., U.K. and LATAM What customers say about working with Routefusion: "The results of working with Routefusion were immediate. We were onboarding customers, that normally took around four to six weeks, within two weeks, sometimes even within three business days, which is amazing. And on top of that, our return rate immediately dropped from 10% to less than 1%, which is huge." - Ronak Desai, CTO and Co-founder of Payment Labs (leading payment solution in sports and esports) "In the time we started working with Routefusion, we’ve grown 10x. We completed implementation and started using Routefusion’s unified API within weeks instead of months. I wish we’d done it sooner." - CEO and Co-founder of a fast-growing fintech payroll company

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Routefusion, Cross-border Payments Provider?

  • Quality of Support: 10.0/10 (Category avg: 8.6/10)
  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.7/10)
  • Ease of Use: 10.0/10 (Category avg: 8.8/10)
  • Ease of Admin: 10.0/10 (Category avg: 8.6/10)

Who Is the Company Behind Routefusion, Cross-border Payments Provider?

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of Routefusion, Cross-border Payments Provider?

SentiLink

SentiLink's technology helps you detect and block synthetic identities, where the name, date of birth, and SSN don't correspond to a single real person.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate SentiLink?

  • Quality of Support: 8.3/10 (Category avg: 8.6/10)
  • Ease of Use: 8.3/10 (Category avg: 8.8/10)

Who Is the Company Behind SentiLink?

  • Seller: SentiLink
  • Year Founded: 2017
  • HQ Location: San Francisco, US
  • Twitter: @SentiLink
    338 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    142 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of SentiLink?

SiftingIO

SiftingIO is a market data API platform for developers and financial teams that need real-time and historical data across multiple asset classes. It provides REST and WebSocket APIs for US equities, FX, crypto, commodities, DEX, and on-chain markets, with consistent schemas, SDKs, Postman examples, and developer-ready documentation. Teams use SiftingIO to build trading tools, dashboards, research platforms, market monitoring systems, and financial applications without maintaining separate integrations for every market. Website: https://sifting.io

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate SiftingIO?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.7/10)

Who Is the Company Behind SiftingIO?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of SiftingIO?

SnapTrade

Use a single API to give brokerage account connections to end users to access their account data and let them place trades.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate SnapTrade?

  • Quality of Support: 10.0/10 (Category avg: 8.6/10)
  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.7/10)
  • Ease of Use: 10.0/10 (Category avg: 8.8/10)
  • Ease of Admin: 10.0/10 (Category avg: 8.6/10)

Who Is the Company Behind SnapTrade?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of SnapTrade?

solarisBank

solarisBank enables your business to offer financial services by building your own banking products with our API accessible banking platform.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate solarisBank?

  • Quality of Support: 6.7/10 (Category avg: 8.6/10)
  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.7/10)
  • Ease of Use: 8.3/10 (Category avg: 8.8/10)
  • Ease of Admin: 8.3/10 (Category avg: 8.6/10)

Who Is the Company Behind solarisBank?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of solarisBank?

Swan

Swan’s Banking-as-a-Service platform is the easiest way for companies to embed banking features. Via Swan’s simple APIs, European companies can integrate banking features (accounts, cards, and payments) quickly and easily into their own product. Swan's unique offering enables customers to go-live in a matter of days, rather than the customary 6-12 months with other BaaS. The company takes responsibility for all compliance matters: KYC, AML, SCA and more. Partners don't need to become licensed as a regulated agent; they can instead focus on what they do best: understanding their customers and building amazing products for them. Swan has ~100 partners across more than 10 European countries. €6bn has been processed since 2021 (when the company began processing payments) and customers have over 80,000 bank accounts opened by Swan.

Average Rating: 4.5/5.0

Total Reviews: 1

Who Is the Company Behind Swan?

  • Seller: Swan
  • Year Founded: 2019
  • HQ Location: Paris, FR
  • Twitter: @swanapi
    611 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    294 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Swan?

TartanHQ

Tartan is a Unified API infrastructure layer powered by AI Agentic Apps that helps organizations build new applications and power intelligent systems. By connecting data across fragmented systems and enabling AI-powered workflows, Tartan helps businesses verify identities, synchronize operations, and make real-time decisions all through one seamless and secure platform. Our core products are designed to reduce manual effort and deliver measurable cost savings. HyperSync integrates with 80+ HRIS, ERP, CRM and similar platforms to unify enterprise data and eliminate the need for complex, custom-built connectors. HyperApps empowers teams to rapidly deploy AI-driven workflows for compliance, customer onboarding, and process automation without heavy engineering lift. HyperVerify enables real-time verification of identity, employment, income, and business credentials, streamlining onboarding and reducing fraud.

Average Rating: 4.3/5.0

Total Reviews: 2

How Do G2 Users Rate TartanHQ?

  • Quality of Support: 9.2/10 (Category avg: 8.6/10)
  • Ease of Use: 9.2/10 (Category avg: 8.8/10)

Who Is the Company Behind TartanHQ?

  • Seller: TartanHQ
  • Year Founded: 2020
  • HQ Location: Gurgaon, IN
  • Twitter: @TartanHQ
    125 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    70 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of TartanHQ?

Token

Token.io is an account-to-account (A2A) payment infrastructure provider powered by open banking and built for the payments industry. With the simplest and fastest way to launch Pay by Bank as a core payment method, Token.io helps payment providers grow their market share. Token.io delivers the highest performing and deepest open banking connectivity in the industry, reaching 567 million bank accounts (80%+ per market) in 16 supported countries through a single API and interface. With fast and flexible deployment options, including the option to use Token.io's license and conversion boosting payment authentication flows, payment providers can quickly and easily launch and manage Pay By Bank capabilities. Token.io's solution is proven by a blue-chip base of partners, which collectively process payments for tens of millions of merchants worldwide, including HSBC, Mastercard, BNP Paribas, ACI Worldwide, Computop, Nuvei and Paysafe. Token.io is authorised as an AISP and PISP by the FCA in the UK and by BaFin in Germany. Token.io is PSD2 and SCA compliant, and PCI-DSS Level 1 and ISO27001:2013 Certified.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Token?

  • Quality of Support: 10.0/10 (Category avg: 8.6/10)
  • Ease of Use: 10.0/10 (Category avg: 8.8/10)

Who Is the Company Behind Token?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Token?

Tradefeedr

Connect to 16 of the largest FX liquidity providers, ECNs & trading platforms over a single Data API. Query your trading data, analyse & collaborate without friction

Average Rating: 4.0/5.0

Total Reviews: 1

Who Is the Company Behind Tradefeedr?

Who Uses This Product?

  • Company Size: 100% Large

What Are Recent G2 Reviews of Tradefeedr?

Tunell

Tunell is a 360-degree crypto payment processing solution that enables your business to not only accept payments, but also to send payments. There are millions of crypto holders out there who want to buy your products and services using crypto. We are lifting the barriers so you can start leveraging a brand-new client base. Try our seamless payment gateway which processes transactions immediately, locking in the price and minimizing market risks. Take advantage of a customized and competitively priced solution built exactly with your needs in mind. Speak to us today for a demo!

Average Rating: 4.8/5.0

Total Reviews: 2

How Do G2 Users Rate Tunell?

  • Quality of Support: 10.0/10 (Category avg: 8.6/10)
  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.7/10)
  • Ease of Use: 10.0/10 (Category avg: 8.8/10)
  • Ease of Admin: 8.3/10 (Category avg: 8.6/10)

Who Is the Company Behind Tunell?

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of Tunell?

UNU API

UNUapi is a comprehensive Software Development Kit (SDK designed to facilitate seamless integration with multiple banks through a unified API, enabling businesses to harness the full potential of open banking. By aggregating diverse bank APIs into a standardized protocol, UNUapi allows users to access and manage all their financial data efficiently, streamlining account aggregation and payment initiation processes. Key Features and Functionality: - Uniform Connectivity: Transforms varying bank APIs into a cohesive and simplified protocol, providing a consistent experience across multiple financial institutions. - Multibanking Support: Continuously expands connectivity by integrating new banks, ensuring users have comprehensive access to their financial information without additional onboarding complexities. - AISP and PISP Capabilities: Pre-packaged with features such as user consent management, account balance retrieval, transaction history access, and payment initiation services, adhering to open banking standards. - Secure Deployment: Offers a stateless API that can be deployed within your cloud environment or on-premises, aligning with organizational policies and ensuring data security. - Developer-Friendly: Accompanied by extensive documentation, sample code snippets, and use cases to facilitate rapid development and integration. Primary Value and User Solutions: UNUapi addresses the complexities associated with integrating multiple banking APIs by providing a unified interface, thereby reducing development time and operational costs. It empowers banks to enhance their digital offerings with multibanking capabilities, enables neobanks and fintechs to compete by offering comprehensive aggregation and payment services, and allows ERPs and software providers to deliver multibanking solutions to corporates without the necessity of a Third-Party Provider (TPP license. Ultimately, UNUapi simplifies financial data sharing and management, fostering innovation and efficiency in the financial services sector.

Average Rating: 4.5/5.0

Total Reviews: 1

How Do G2 Users Rate UNU API?

  • Quality of Support: 6.7/10 (Category avg: 8.6/10)
  • Has the product been a good partner in doing business?: 6.7/10 (Category avg: 8.7/10)
  • Ease of Use: 8.3/10 (Category avg: 8.8/10)
  • Ease of Admin: 8.3/10 (Category avg: 8.6/10)

Who Is the Company Behind UNU API?

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of UNU API?

Weavr

Weavr provides Plug-and-Play financial services to innovators who are not just building a business. They’re changing the game. Up until now, adding financial services exactly where and when your customers need them has been tricky. Our ready-made, Plug-and-Play financial services mean you can pick and package based on the needs of your customers then seamlessly embed them into your application. We also offer the ability to create unlimited solutions tailor-made to your business needs.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Weavr?

  • Quality of Support: 8.3/10 (Category avg: 8.6/10)
  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.7/10)
  • Ease of Use: 10.0/10 (Category avg: 8.8/10)
  • Ease of Admin: 8.3/10 (Category avg: 8.6/10)

Who Is the Company Behind Weavr?

  • Seller: Weavr
  • Year Founded: 2018
  • HQ Location: London, GB
  • LinkedIn® Page: www.linkedin.com
    86 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Large, 50% Medium

What Are Recent G2 Reviews of Weavr?

Adanos Finance Sentiment API

Our Finance Sentiment API unifies Reddit, X, financial news, Polymarket, and crypto community data in one API for sentiment analysis and market research.

Who Is the Company Behind Adanos Finance Sentiment API?

Advisory World

Integrated Capital Engine is a web-based software that analyses portfolios, generates proposals, makes up theoretical illustrations.

Average Rating: 3.3/5.0

Total Reviews: 2

How Do G2 Users Rate Advisory World?

  • Quality of Support: 5.0/10 (Category avg: 8.6/10)
  • Ease of Use: 4.2/10 (Category avg: 8.8/10)

Who Is the Company Behind Advisory World?

  • Seller: LPL Financial
  • Year Founded: 1987
  • HQ Location: San Diego, US
  • Twitter: @AdvisoryWorld
    1,247 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    7 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Medium, 50% Small

What Are Recent G2 Reviews of Advisory World?

What Are G2 Users Discussing About Advisory World?

Nathan Calabrese
NC
Researched and written by Nathan Calabrese
Updated October 3, 2024