Fidel API Alternatives (September 2025)

Unified APIs to build SaaS integrations. Launch the integrations your customers need in record time.

Lithic's card issuing platform, flexible API, and skilled team provide issuer processing services for customized debit, credit, and prepaid card programs.

With our banking APIs you can integrate your business with our financial services and make it grow. Find the right API and solution for your business here.

Spreedly is the world's leading Payments Orchestration Platform that lets you connect to payment services in over 100 countries with a single API connection.

Health API that enables you to integrate with wearables, such as Garmin, Fitbit, Apple, Google, Polar, Eight Sleep, Oura and Others through a single source

Our API Management platform is fast, scalable, modern. Including an open source API Gateway, Analytics, Dev Portal and Dashboard.

Abstract provides powerful APIs to help you enrich any user experience or automate any workflow. Used by 10,000+ developers worldwide.

The fastest way to build & scale your project with Venly’s all-in-one set of Web3 tools. Amplify your enterprise's capabilities with our platform integrations.

Account to account payment infrastructure for the payments industry

From signing to filing, it's never been easier or more affordable to engage customers with API toolkits from the leader in online legal services.

Bridge the development gap between Web2 and Web3 with Moralis’ powerful Web3 APIs.

Automate transactions like real-time eligibility checks and claims processing with developer-friendly, JSON-based APIs that support thousands of payers.

Use Swan's APIs and ready-made white-label interfaces to embed banking features like accounts, cards, and payments into your workflows and UX.

Embed VGS into your technology stack to manage the complexities of payment tokenization.

Finicity's open banking solutions deliver consumer-permissioned financial data that empowers innovation and unlocks possibilities for you and your customers.

Unlock the power of your communications data. The Nylas communication APIs remove complexity & empower teams to create seamless user experiences.

Discover the power of Integration Labs' Unified API for accounting, payments, and e-commerce integrations. Test, launch, and scale API integrations faster with a Unified API.

Whether you're a beginner developer, startup, web3 market leader, or a large enterprise, Alchemy makes multichain web3 development easy.

World’s Most Expressive API for building Disruptive Prop-Tech.

Plaid helps all companies build fintech solutions by making it easy, safe and reliable for people to connect their financial data to apps and services.

Access current and historical foreign exchange rates with Fixer API. Get free, lightweight currency conversion for your applications. Click now.

Harness the power of APIs with Noda's online payment platform. Streamline transactions and elevate your business operations effortlessly.

Welcome to Wyre! Wyre offers powerful APIs that support a range of financial, cryptocurrency, and identity services. It can move money around, broker exchanges, validate KYC/AML information, and transfer to/from traditional banking systems all while remaining compliant. First, you will need a Wyre a...

Codat's business data APIs connect banks and fintechs to all of the financial systems their customers use.

Discover Rapid's API Marketplace for easy API monetization and better API management. Learn about API testing tools and monetize your APIs effortlessly.

Transform your payments with Dwolla's unified solution. Streamline operations, save costs, and enhance security. Powering industries like insurance, lending, real estate, healthcare, and manufacturing. Schedule a consultation now.

By developers, for developers. Everything you need to ship and scale applications. Your one-stop shop to bridge WEB2 to WEB3.

Synctera is the banking and payments platform powering financial innovation. Synctera enables companies of all sizes to build, launch, and scale embedded banking and FinTech products

Fast track your integrations roadmap with the KNIT unified API. Webhooks based architecture, no data storage policy, and whitelabeled auth for complete peace of mind!

Simple, scalable and reliable. Hosted realtime APIs loved by developers and trusted by giants. Build live dashboards, notifications, geotracking, chat and more.

Unit is the embedded finance platform that helps you accelerate growth and unlock new revenue streams by making it easy to build banking and lending into your product.

api.video lets you quickly and securely deliver on-demand and live-stream videos directly from your website, software, or app.

Unified API - one API for HR, ATS, CRM, Accounting, Storage, MarTech, Enrichment, and Call Center integrations

Seamless & secure white-label banking, digital wallet & loyalty solutions. Discover how Youtap’s empowering banks & financial service providers worldwide.

Build once, maintain, and onboard in days, not months. Single API integration to add all HR, payroll, ticketing, accounting, ATS, CRM, SCIM and directory platforms.

Keygen is a powerful software licensing API for desktop apps, on-premise software and other software products written in C++, C#, Swift, Java, Kotlin, Node and more.

We provide all the tools and resources builders need to create incredible products — all backed by unparalleled, globally-balanced infrastructure, guaranteed reliability and security, a user-friendly interface, and end-to-end customer support.

Simplify API onboarding and consumption with an API Portal that’s purpose-built for API teams to create, secure, market, and monetize API products.

Alpaca's easy to use APIs allow developers and businesses to trade algorithms, build apps and embed investing into their services.

The Most Advanced Platform for Embedding Financial Products Accelerate Financial Product Innovation with Productfy

API gateway for Blockchain

Build native integrations fast with Truto. Integration is a solved problem. Why have your best engineers work on integrations when they can focus on architecture, design, and product?

Infura's development suite provides instant, scalable API access to the Ethereum and IPFS networks. Connect your app to Ethereum and IPFS now, for free!

SaaS platform and API for client acquisition, compliance screening and relationship management. Customer Lifecycle Intelligence by FullCircl.

Route transactions, analyze and report on your entire payment ecosystem and switch on providers in one click. Trusted by leading brands.

Address all the needs of API providers with the ‘Management Portal’ and API users with the ‘Developer Portal’. Start opening your APIs to finance ecosystem in seconds and easily implement your API Business Model.

Blockchain infrastructure suite for Web 3 - reduce development time and save costs

Easily unify the management, security, and governance of both synchronous and asynchronous ecosystems with the leading open source API Management platform.

Nevatech Sentinet offers a flexible, lightweight and scalable API Management platform to help businesses maximize the value of their data. Try Nevatech Now!

Built for your business payment needs - Collect payments, send payouts, manage international payments, launch your next neo banking product and do a lot more.

Apideck Ecosystem helps you build your app store and whitelabel marketplace in minutes instead of months.

Build card programmes that scale by offering your own virtual and physical cards online in seconds using the Stripe Issuing API and just a few lines of code.

The Trusted Developer Experience platform for APIs. Achieve faster API onboarding via automatic SDKs, docs, code samples, and guided walkthroughs.

Need an API to convert files from your application? Use Zamzar - 100s of formats supported - Documents, Videos, Images, Audio, CAD, eBooks and more

An API to convert HTML/CSS documents to PDF. PDFShift is the reliable, Up-to-date and high-fidelity conversion API with no maintenance costs.

Flinks allows you to connect users' bank accounts, turn data into actionable insights, and deliver a winning open banking program.

Daily is the enterprise WebRTC platform to build real-time voice, video and AI at scale. Industry-leading SLAs, analytics, and APIs since 2016.

Kong is the most widely adopted API gateway and service mesh, powering the world’s APIs for modern architectures. Accelerate development and productivity today!

BR-DGE offers innovative payment orchestration solutions, empowering merchants, payment providers, and platforms.

Easily integrate electronic signatures into your apps and workflows with our secure, simple, and fast eSignature REST API. Create a free sandbox today.

Zuplo is the API management platform for developers. Build, deploy, and scale APIs faster with Zuplo.

Advance your app's capabilities: Integrate LinkedIn and WhatsApp for streamlined messaging and improved user experience.

Power your real-time app with PubNub—the world's largest pub/sub network. Scale to 3 trillion API calls/month, with <30ms global delivery. Start building now!

Svix is the enterprise ready webhook service. Build a state of the art webhook platform in minutes with our hosted webhook SaaS or our open source project. Don't reinvent the wheel, use webhooks as a service.

Apiary provides the leading API-First platform designed specifically to help companies accelerate and control the design, development, and documentation of APIs.

Secure and scale your product with Stytch's identity platform. From authentication to fraud protection, we have the APIs and SDKs for your use case.

Secure data extraction OCR API, data capture mobile SDK, and toolkits to liberate trapped data in your unstructured documents like invoices, bills, purchase orders, checks (cheques) and receipts in real-time.

Enhance your digital payment solutions with MeaWallet's secure tokenization. Join businesses that have seen remarkable results with our 10+ years of industry experience. Try our demo now!

NMKR offers an easy-to-use platform to create and sell NFTs and tokens across multiple blockchains simultaneously. Unlock seamless minting and expand your reach with our multi-chain NFT and token creation tools.

One-stop-shop for APIs and embeddable Front-end-modules connected to a smart marketplace for BaaS- and Fintech-Services

Easily generate license keys and validate them in your software apps. Additionally, you can offer trials, subscriptions, node-locked licenses, floating licenses, offline licenses and much more.

We power faster and safer online payments with our open banking payments network. Onboard users, accept payments & make payouts in seconds. Learn more today.

Send digital e-gift cards as marketing incentives & rewards. Prepaid Virtual Visa, Mastercard, & more. Integrates with Marketo, HubSpot, SurveyMonkey, & Qualtrics.

NodeReal empowers developers and investors to explore blockchain with the most reliable solutions and enables enterprises to generate business opportunities.

Connect, motivate, align, and engage employees, channel partners, sales team, and consumers with our engagement, rewards, commission, and incentive technology.

Explore a highly curated API marketplace focused on reliability, scalability, and quality. Access AI & Machine Learning, Content, Finance, Stock, and more APIs.

Free and reliable screenshot api for website capture.

Stripe Connect is the fastest and easiest way to integrate payments and financial services into your software platform or marketplace.

The Real-Time Engagement Platform for meaningful human connections. People engage longer when they see, hear, and interact with each other. With Agora, you can embed vivid voice and video in any application, on any device, anywhere.

Incentive Delivery to build customer loyalty and employee engagement in ways that mean more and cost you less.

Free Currency Conversion API and Forex Exchange Rates data through REST API in JSON and XML format.

Streamline your rewards, incentives and gift card management with Tillo’s user-friendly platform. Access 2000+ brands and discover new ways to grow.

Dfns is the WaaS (wallet-as-a-service) platform chosen by leading organizations to streamline digital asset operations and onboard users into crypto, safely.

Bloom Credit is the credit data solution that helps you go to market fast with industry-leading credit products. Tap into the power of a single API.

Modulr unlocks incremental revenue, operational efficiencies and way smoother customer experiences

Power everything from live chat to data broadcast - reliably, securely, and at serious scale with Ably. The largest WebSocket-based pub/sub platform.

UniOne is a transactional email service: you can send Transactional Emails simple and cheap with the help of platform API Email UniOne.

Get your custom, branded URL Shortener up and running in minutes. Powering communications, commerce, marketing, advertising & more. URL Shortening API.

Buy, send and track digital gift cards for your reward, payment, and incentive programs.

Enable the fast and secure delivery of PSD2-compliant APIs with Apigee open banking APIx.

The easiest way to add authentication and user management to your application. API-first & purpose-built for developers. Get started for free.

Digital Gift Card Rewards with No Fees: Redefine gifting with Visa® and over 1,000 global gift card brands. Sign up for free!

Meet Anypoint Platform, the only complete hybrid enterprise integration platform for SOA, SaaS and APIs. Anypoint Platform gives you the freedom to integrate what you want, when you want, whether its on-premises or in the cloud.

Global customer identity verification & fraud prevention for the payments, ecommerce and financial services industries. Trusted by 2,000+ companies worldwide.

Free IP Geolocation API, the most accurate data, use our API to quickly and easily integrate the location of visitors into your script or website.

Revolutionize your AML compliance with Flagright's AI-native platform. Monitor, screen, and report in real-time. Reduce false positives and streamline investigations.

Biz4x is an integrated platform that provides AML compliance, financial market data, rate boards, wholesale trading and business management features.

Omnichannel Contact Center Platform. Connect Southeast Asia Virtual Phone Numbers

FIS is fintech for bold ideas. FIS is behind the financial technology that transforms how we live, work and play.