Utilities for Express Framework
A partial implementation of the W3C Crypto API for Expo
A simple encryption tool powered by Web Crypto API
Official JavaScript/TypeScript client for the Rate-API.com exchange-rate & crypto API
Client-side AES-256-GCM decryption for Django-CFG encrypted API responses using Web Crypto API
Cryptographic utilities using the Web Crypto API and @noble/hashes . Platform-agnostic — works in Node.js (>=20), browsers, and React Native.
E2E encryption for AgentDock — AES-256-GCM, key derivation, Web Crypto API
Zero-dep, isomorphic HS256 verify and sign for Twitch Extension JWTs. Built on the Web Crypto API; works in browsers, Node 16+, Deno, Bun, and Cloudflare Workers. Typed claim shape, role and pubsub-perm helpers, EBS-to-Twitch outbound helper, optional aud
n8n community node for Scorechain Risk Scoring API — analyse crypto addresses and transactions on 20+ blockchains
TypeScript SDK for Noya — a unified API for crypto market data, on-chain operations, prediction markets, and account/wallet management.
Model Context Protocol (MCP) server for Shieldz. Let AI agents accept non-custodial crypto payments with no API key: keyless payment links and tip jars.
TypeScript SDK for Azify CaaS (Crypto as a Service) API - Vaults, Wallets, and Transactions
Tiny zero-dependency client for patternfetch — agent-first API + MCP that turns a crypto ticker + timeframe into a token-compact market-state brief (compact candles, patterns, support/resistance, regime, indicators). Impersonal data, not investment advice
MCP server for 2s — the (most) everything API. Hundreds of pay-per-call AI-agent data tools (public records, finance, crypto, security, legal, health, geo, EDI), settled in USDC on Base or Solana via x402.
Locally runnable server with built-in data caching, providing both tick-level historical and consolidated real-time cryptocurrency market data via HTTP and WebSocket APIs
Convenient access to tick-level historical and real-time cryptocurrency market data via Node.js
Official Node.js SDK for the Qpher Post-Quantum Cryptography API — ML-KEM-768 (FIPS 203) encryption, ML-DSA-65 (FIPS 204) digital signatures, and SLH-DSA (FIPS 205) hash-based signatures. Alternative to liboqs.
A cryptocurrency trading API with more than 100 exchanges in JavaScript / TypeScript / Python / C# / PHP / Go
An X25519 (Curve25519) DH key implementation to work with the crypto-ld LDKeyPair API
OxyHQ SDK Foundation — API client, authentication, cryptographic identity, and shared utilities
Shared cryptographic utilities and API types for jeeves-server packages.
E2E secured sessions & API calls, using modern cryptography.
Omnicall — every AI tool your agent needs in one keyless endpoint: 248 LLMs (GPT, Claude, Gemini, Grok, DeepSeek, Llama) + image/video/voice/music generation + live crypto/DEX/DeFi/markets/web/research. Pay-per-call in USDC, no API key, no signup. One-lin
Scrape live cryptocurrency data from CoinGecko via the official public API. No API key required. Supports top-coins by market cap, bulk lookup by coin IDs, and search by keyword. Returns price, market cap, volume, ATH, circulating supply and more. Pay per
MemberJunction: Server-side API Key authorization engine with hierarchical scopes, pattern-based access control, and application-level restrictions. Requires Node.js crypto module.