https://hackage.haskell.org/package/crypto-api-tests
crypto-api-tests: A test framework and KATs for cryptographic operations.
A test framework and KATs for cryptographic operations.
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https://www.rfc-editor.org/rfc/rfc2628.html
RFC 2628: Simple Cryptographic Program Interface (Crypto API)
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https://docs.dexpaprika.com/introduction
DEX & On-chain Crypto API – Liquidity, Swaps, Tokens | DexPaprika
Real‑time DEX and on‑chain cryptocurrency data: liquidity pools, swaps, token prices, and transactions across 33 blockchain networks via REST API and SSE...
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https://www.osiztechnologies.com/products/crypto-api
Intelligence OS for Crypto API - Next-Gen Tools for Crypto Innovators
Intelligence OS for Crypto API by Osiz Technologies provides cutting-edge APIs that empower developers and businesses to seamlessly integrate advanced...
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https://docs.quantifycrypto.com/
Quantify Crypto API
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https://quantifycrypto.com/api
Crypto API Pricing Plans | Flexible Plans for Professional Data | Quantify Crypto
Access real-time prices, historical OHLC, technical indicators, and trading signals with transparent, scalable pricing. Free tier available with 28+ production...
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https://products.psacertified.org/products/pqmicrolib-core-psa-crypto-api-integration
PQMicroLib-Core PSA Crypto API Integration | PSA Certified
PQMicroLib-Core PSA Crypto API Integration enables seamless access to PQShield’s ultra-compact post-quantum cryptographic library through the PSA Crypto API....
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https://docs.dexpaprika.com/tutorials/find-new-pools
DEX & On-chain Crypto API – Liquidity, Swaps, Tokens | DexPaprika
Discover newly created liquidity pools across 33 blockchains. Perfect for finding new tokens, arbitrage opportunities, and emerging DeFi projects early.
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https://nodejs.org/docs/latest/api/webcrypto.html
Web Crypto API | Node.js v25.9.0 Documentation
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https://www.coingecko.com/en/api
Crypto Data API: Most Comprehensive & Reliable Crypto Price & Market Data | CoinGecko API
Get reliable crypto prices and market data with CoinGecko API, trusted by 150M+ monthly users. Access rich metadata, historical charts and on-chain coverage...
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https://pay-docs.crypto.com/
Crypto.com Pay for Business | Documentation & API Reference
Crypto.com Pay for Business is a feature of Crypto.com Pay, which utilises Cronos PoS Chain as a high performing native blockchain solution. This enables the...
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https://www.wjunction.com/threads/2328-io-accept-crypto-payments-fees-from-0-3-api-payouts.272300/
2328.io - Accept crypto payments | Fees from 0.3% | API Payouts | WJunction - Webmaster Forum
Getting Started Register a merchant account on 2328.io Choose your integration model Configure your merchant, test, and go live For partnerships and...
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https://alpaca.markets/
Alpaca - Developer-first API for Stock, Options, Crypto Trading
Alpaca's easy to use APIs allow developers and businesses to trade algorithms, build apps and embed investing into their services.
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https://www.amberdata.io/
Best Crypto Market & Blockchain API | Amberdata
Oct 16, 2025 - Amberdata delivers comprehensive digital asset data and insights into blockchain networks, crypto markets, and decentralized finance, empowering financial...
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https://tothemoon.com/institutionals
Tothemoon Institutional — Crypto Solutions for Businesses: API, Customization, Security
Tothemoon provides premium institutional crypto services with deep liquidity, custom integrations, 24/7 support, secure asset custody, and fast onboarding....
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https://www.anchain.ai/
AnChainAI - Crypto Investigations, AML, Payment risk screening API, Agentic AI advisory
AnChain.AI is a leader in AML compliance, cryptocurrency and DeFi investigations, and agentic AI / LLM advisory services. Trusted by global regulators,...
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https://legasset.com/ready-made-licenses-for-sale/
Ready-Made Licenses for Sale 2026 | Forex, Crypto, Payment, API
Apr 29, 2026 - Buy ready-made licensed companies for sale in fintech, crypto, payments, and gaming in 2026. Verified entities, fast transfer, global jurisdictions, full...
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https://fcsapi.com/
FCS API | Free Forex, Crypto & Stock Market Data API
Apr 28, 2026 - FCS API provides free real-time forex rates, cryptocurrency prices, stock market data, and currency conversion API. Access 2000+ forex pairs, 3000+ crypto...
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https://cryptolinks.com/1333/cex-io-api
CEX.IO API - Cex.io - Best Crypto APIs (2026)
Hit by CEX.IO API invalid signatures, nonce drift, or 429s? I share clear fixes, auth tips, and REST/WebSocket patterns to build a stable...
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https://coinlayer.com/
Real-Time Crypto Currency API | Coinlayer – Fast & Reliable Data
Access real-time and historical crypto data with Coinlayer’s powerful Crypto Currency API. Built for speed, simplicity, and performance—20ms response time,...
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https://www.coinchange.io/
Crypto Yield API for Fintechs & Funds | Coinchange
Coinchange delivers compliant, multi-strategy crypto yield to fintechs and institutions. Access high-performance portfolios via API or fund—with full...
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https://app.alpaca.markets/
Alpaca – Crypto, Stock Trading API
Trade with algorithms, connect with apps, and build services with our easy to use APIs for crypto and stock trading.
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https://www.cryptoworth.com/crypto-accounting-solution/apis-crypto-accounting
API Crypto Accounting Solution - Cryptoworth.
Our Crypto accounting software provides connections to more than 300+ data points from blockchains, DeFi, payments, NFT marketplaces, Traditional banks, Data...
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https://coinmarketcap.com/api/faq/
Frequently Asked Questions for Crypto Market API
Learn how to use and integrate CoinMarketCap’s crypto market data API for the best results by reading these frequently asked questions.
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https://www.scorechain.com/developers/free-sanction-api
Free Sanctions API for Crypto Compliance & Wallet Screening | Scorechain
Access a free sanctions API to screen crypto wallets, detect high-risk addresses, and support AML compliance with easy integration for developers and platforms.
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https://doc.heleket.com/
Crypto Payment Gateway API | Bitcoin Payments API
Integrate our Crypto Payment Gateway API to accept Bitcoin, Ethereum, and other cryptocurrencies easily and securely. Our robust API offers seamless...
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https://www.fasset.com/enterprise/fasset-api
Crypto Trading and Payments API for Enterprises | Fasset
Fasset API enables enterprises and developers to integrate crypto trading, payments, wallets, and account services with secure, scalable, and compliant...
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