This application simplifies understanding of APIs by allowing users to interact with core components. It introduces fundamental API concepts and basic terminology in an accessible way.



216+ iOS apps curated and reviewed
API Pro is the household name in api token, but it's far from the only option. We track 216+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.



This application simplifies understanding of APIs by allowing users to interact with core components. It introduces fundamental API concepts and basic terminology in an accessible way.




Estimate AI API costs by inputting prompt and response tokens. This tool helps optimize budgets and control expenses for AI projects, offering real-time pricing based on token usage.






This app allows users to send HTTP/HTTPS requests and connect to WebSockets, making it easy to debug APIs on the go. It supports various response formats, collaboration features, and authentication methods, streamlining API development and testing.


This tool allows users to send and analyze API requests with customizable parameters, authorization, and body content. It offers robust search and filtering capabilities for managing saved requests, optimized for iPadOS with keyboard support.


This tool empowers mobile developers to build and test APIs directly on their devices. It leverages on-device machine learning to analyze API results and identify patterns, while also allowing for the creation and management of various request types and data formats.


This tool helps users estimate the token count for AI Chat API requests. It supports Japanese and English text, calculating tokens for system, user, and assistant roles individually and in total. Optimize your AI resource usage with this intuitive calculator.


Test various APIs directly from your mobile device. Supports REST, GraphQL, WebSockets, and more, with advanced editors and request customization. Share requests easily and manage cookies and history.


Generate secure Tesla API authentication tokens with this utility. It allows you to keep custom shortcuts alive by providing token access for third-party services. Your credentials are sent directly to Tesla, and tokens are stored encrypted locally.


This self-custody crypto wallet allows you to swap tokens across multiple blockchains, manage your crypto and NFT assets, and explore Web3 applications. Buy crypto with a credit card, track prices, and secure your assets with advanced features.


A secure digital wallet for accessing over 50 blockchain networks, including Bitcoin and Ethereum. Manage numerous tokens and NFTs, explore Layer 2 solutions, and connect to decentralized applications with advanced security features.


This app demonstrates a secure access control system using Bluetooth low energy and single-use tokens. It allows users to discover nearby devices, view their details, and activate them for specific actions after phone number verification.


This application serves as a secure cryptocurrency wallet, allowing users to manage digital assets and explore the blockchain. It offers robust security features and supports a vast number of cryptocurrencies and major blockchains.


Program secret hash seeds and hardware clocks for third-generation programmable tokens. Ensure compatibility with specific token models, as it does not support previous generations.


A secure, non-custodial crypto wallet that allows you to buy, sell, store, and trade over 1,000 cryptocurrency tokens across 60+ blockchains. Manage your digital assets with confidence, earn rewards through staking, and track your portfolio balance in one place.


This app generates One-Time Passwords (OTPs) for secure access. It allows for rapid, secure, and cost-effective deployment of soft-tokens to users, ensuring automatic use of corrected time for OTP generation.


This business application enables rapid, secure, and cost-effective deployment of soft-tokens to users. It generates useful One-Time Passwords (OTPs) and automatically uses corrected time for generation.






This tool generates secure payment tokens for enterprise-level payment processing. It offers dual environment support for certification and production, real-time card validation, and direct integration with secure APIs. Designed for professionals in finance and development, it simplifies PCI compliance.


This app generates one-time passwords (OTPs) for secure authentication. It supports event-based and time-based OTPs, acting as a client for back-end validation servers. The application prioritizes user privacy and control, requiring explicit permissions for any data access.