Create REST and GraphQL APIs visually without backend coding.
10 Tools Reviewed
Expert Curated
Regularly Updated
#1 Best Overall
Paystack
Modern online and offline payments for Africa
Freemium
Free Tier
Paystack is an Africa-focused payment gateway that lets businesses accept payments through cards, bank transfers, mobile money, USSD, Apple Pay, and POS terminals. It provides well-documented APIs for developers, automated payment routing for high success rates, and built-in fraud detection. It serves over 200,000 businesses across Africa.
Pros
Supports a wide variety of payment methods including mobile money, USSD, and bank transfers common in Africa
Well-documented APIs that allow deep customization of payment flows
Automatic payment routing optimizes for highest transaction success rates
Cons
Primarily focused on African markets — limited utility for businesses outside Africa
Transaction-based fees can add up significantly for high-volume merchants
Detailed pricing not publicly transparent on the homepage — requires account creation or sales contact
Best for:Businesses in Africa needing to accept payments from customers worldwide
The AI-native API platform for building, testing, and managing APIs
Free / $9/mo
Free Tier
Postman is an API development platform that enables developers and teams to design, test, document, monitor, and distribute APIs across multiple protocols including REST, GraphQL, gRPC, and WebSocket. Used by 40 million+ developers and 98% of the Fortune 500, it offers collaborative workspaces, AI-assisted test generation, native Git integration, and enterprise governance features. The platform spans the full API lifecycle from initial design through production monitoring.
Pros
Supports virtually every API protocol (REST, GraphQL, gRPC, WebSocket, SOAP) in one client
Generous free tier with core features available to individual developers at no cost
Massive ecosystem with 40M+ developers and a public API network for discovery
Cons
AI credits are limited and can require pay-as-you-go overage charges
Enterprise-only features like Insights and advanced governance create a significant gap between Team and Enterprise tiers
Desktop app can be resource-heavy, especially with large collections
Best for:Engineering teams who build, test, and collaborate on APIs daily
Integration and automation platform for the AI and agentic enterprise era
Contact Sales
MuleSoft is an enterprise integration and API management platform owned by Salesforce, designed to connect applications, data, and AI agents across hybrid environments. It provides tools for building APIs, automating workflows, managing documents with AI, and orchestrating multi-agent ecosystems using protocols like MCP and A2A. A Forrester TEI study found 426% ROI for MuleSoft customers.
Pros
Hundreds of prebuilt connectors for popular systems like Salesforce, SAP, and AWS reduce development time
Comprehensive agentic AI infrastructure with Agent Fabric, MCP support, and A2A protocol for multi-agent orchestration
Recognized as a Gartner Leader in API Management with a proven Forrester TEI of 426% ROI
Cons
No transparent public pricing — requires contacting sales, suggesting significant enterprise-level costs
Steep learning curve for the full platform; requires understanding of API design, integration patterns, and MuleSoft-specific concepts
Heavily tied to the Salesforce ecosystem, which may not suit organizations using competing CRM or cloud platforms
Best for:Enterprise IT teams integrating complex multi-system environments with API management needs
Build and deploy APIs, bots, and integrations instantly
Freemium
Free Tier
Autocode, now rebranded as Superuser, was a serverless platform for building and deploying APIs, bots, and backend integrations directly from a browser-based editor. It was especially popular for quickly creating Discord bots, Slack apps, and webhook-based automations using Node.js. The platform appealed to both developers seeking rapid prototyping and less technical users wanting to automate workflows without managing servers.
Pros
Instant deployment of serverless endpoints without infrastructure management
Built-in Standard Library with pre-configured connectors for popular APIs like Slack, Discord, and Airtable
Browser-based code editor eliminates local setup requirements
Cons
Has been rebranded to Superuser, so the original Autocode platform and documentation may be in transition or deprecated
Limited to Node.js runtime, restricting language choice for developers
Vendor lock-in risk as code relies on proprietary Standard Library abstractions
Best for:Developers building quick API integrations, bots, and serverless endpoints
Connect everything to achieve anything with AI-driven integration and automation.
Contact Sales
Boomi is an enterprise iPaaS that enables organizations to integrate applications, automate workflows, manage APIs, and govern master data across hybrid IT environments. It uses a low-code visual builder with 1,000+ prebuilt connectors and AI-assisted features. The platform is designed for mid-to-large enterprises needing to connect fragmented systems at scale.
Pros
1,000+ prebuilt connectors covering major enterprise apps like SAP, Salesforce, and databases
Full API lifecycle management including discovery, security scoring, and developer portals
Low-code drag-and-drop builder enables both developers and business users to build integrations
Cons
Pricing is opaque — requires contacting sales for any quote, making it hard to budget upfront
Enterprise-focused complexity may be overkill for small businesses or simple integration needs
No transparent self-service pricing tiers despite mentioning pay-as-you-go
Best for:Enterprise IT teams integrating complex multi-cloud and on-premise systems
Web scraping API that handles proxies, headless browsers, and AI data extraction
Freemium
ScrapingBee is a web scraping API service that handles headless browser management, proxy rotation, and anti-bot detection so developers can focus on data extraction. It supports JavaScript rendering, AI-powered content extraction via natural language prompts, Google SERP scraping, and screenshot capture. The tool is used by over 2,500 customers including enterprises like SAP, Deloitte, and Zillow.
Pros
Handles headless browsers and proxy rotation automatically, eliminating infrastructure maintenance
AI extraction feature allows plain English data descriptions instead of brittle CSS selectors
Supports JavaScript rendering for modern SPAs built with React, Angular, and Vue.js
Cons
JavaScript scenario execution has a 40-second timeout limit, which restricts complex multi-step interactions
Usage-based pricing means costs can scale unpredictably with high-volume scraping needs
Relies entirely on API calls — no visual scraping interface or point-and-click builder for non-developers
Best for:Developers and teams needing reliable web scraping without managing proxies or browsers
Add a shopping cart to any website in minutes with simple HTML/JS
Paid
Snipcart is an embeddable e-commerce solution that lets developers add a shopping cart and checkout to any website using HTML attributes and a JavaScript snippet. It supports physical and digital products, multiple payment gateways, shipping carriers, tax automation, and inventory management. It's designed for web developers who want commerce capabilities without migrating to a full e-commerce platform.
Pros
Works with any tech stack, CMS, or static site generator—no platform lock-in
Checkout stays on your site with no redirects, preserving brand experience and conversion
Full CSS customization and extensive API/webhooks for deep integration
Cons
Requires HTML and CSS knowledge—not suitable for non-technical users
2% transaction fee on top of payment gateway fees can add up for high-volume stores
$20/month minimum charge applies once you go live, regardless of sales volume
Best for:Web developers adding e-commerce to existing sites without platform migration
Blockchain platform for creating, managing, and trading NFTs and digital assets
Freemium
Enjin is a blockchain infrastructure platform that enables developers, brands, and creators to mint, manage, and distribute NFTs across games and applications. Built on a Polkadot-based relay chain with nominated Proof-of-Stake consensus, it provides APIs, wallets, and marketplace tools for digital asset ecosystems. It is used by game studios, food brands, and enterprise partners for loyalty programs, in-game items, and cross-platform digital collectibles.
Pros
Cross-game multiverse allows NFTs to be used across 40+ integrated projects
Full-stack ecosystem including wallet, marketplace, API platform, and QR-based distribution (Beam)
Built on Polkadot relay chain offering scalability and low transaction fees compared to Ethereum
Cons
Blockchain and NFT concepts have a steep learning curve for non-crypto developers
Platform is heavily dependent on the ENJ token economy and crypto market conditions
Limited transparency on pricing — costs are tied to token economics rather than clear subscription tiers
Best for:Game developers and brands integrating NFTs and blockchain-backed digital assets
Enabling all companies to build fintech solutions with open banking APIs
Freemium
Free Tier
Plaid is a financial infrastructure platform that provides APIs for connecting consumer bank accounts to fintech applications. It supports account verification, transaction data retrieval, identity verification, fraud detection, payment initiation, and credit underwriting across 12,000+ financial institutions in 20 countries. It's used by over 7,000 fintech companies including Venmo, Robinhood, and Carvana.
Pros
Connects to 12,000+ financial institutions across 20 countries, providing broad coverage
Comprehensive product suite covering auth, transactions, identity, payments, and fraud in one platform
Free Launch tier lets developers start building and testing without upfront costs
Cons
Pricing for advanced products (Signal, Transfer, Layer, Protect) is not transparent and requires contacting sales
Some financial institutions may not be supported or may have limited data compatibility with certain apps
Primarily focused on U.S. and Canadian markets despite claiming 20-country coverage
Best for:Fintech developers needing bank account connectivity and financial data APIs
Direct mail automation platform with print delivery network and intelligent routing
Freemium
Free Tier
Lob is a direct mail automation platform that lets businesses send physical mail (postcards, letters, checks, self-mailers, booklets) at scale through APIs and a web dashboard. It combines campaign management tools with a nationwide print delivery network and intelligent postal routing to speed up delivery and reduce costs. The platform is used by over 12,000 companies, particularly in healthcare and finance, where compliance with regulations like HIPAA is critical.
Pros
Free tier available with 500 mailings for testing and development
Nationwide Print Delivery Network produces mail close to destination, reducing transit time
Postal IQ routing optimizes USPS entry points for faster and more cost-effective delivery
Cons
HIPAA-compliant mailings and custom envelopes only available on Enterprise plan
Platform subscription pricing for Startup and Growth tiers is not publicly listed, requiring contact with sales
Focused exclusively on US direct mail via USPS — limited international mail capabilities
Best for:Marketing and ops teams sending high-volume, compliance-sensitive direct mail at scale
