@CryptoApis

Crypto APIs is an infrastructure layer that radically simplifies the development of any Blockchain and Crypto related applications.

 Blockchain
cryptoapis.io
Joined July 2018
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  • Following766
  • Followers1.7K
434Media
HTTP 402 "Payment Required" sat unused in the spec for 35 years. Now it's how AI agents pay for APIs. We just launched x402 Payments — a managed facilitator for both sides of the transaction
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With x402, you can: → Monetize any endpoint (Express / Hono / Next.js middleware) → Let agents pay 402 APIs (buyer SDK + x402_pay MCP tool) → Stay non-custodial (local EIP-712 signing, keys never leave) → Set per-tx / daily/monthly limits → Settle in USDC on Base
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Build on the agent-payment rail today. 🔗 cryptoapis.io/products/x402?… #x402 #Stablecoins #AIAgents #USDC

x402 Payments for APIs & AI Agents | Crypto APIs

Pay for HTTP APIs, or charge for your own, in USDC over the open x402 protocol. Non-custodial: the client signs locally and Crypto APIs settles on-chain.

cryptoapis.io
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Binance exits the EU. OKX & Coinbase race for 40% of European spot volume. But MiCA compliance is non-negotiable — real-time AML screening & KYT on every transaction. What dev teams must build now 👇 cryptoapis.io/blog/613-okx-a… #MiCA #AML #KYT #Web3 #CryptoAPIs

OKX and Coinbase Chase Binance's EU Users: MiCA Compliance Deadline Drives Exchange Migration

OKX and Coinbase target Binance's EU users before MiCA deadline. Developer teams must build compliant AML screening and real-time transaction monitoring now.

cryptoapis.io
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🚨 New: KYT Transaction Screening is live. Screen any on-chain tx for risk in real time — mixers, ransomware, sanctioned wallets — one API call. Combine with Address Screening for full AML coverage across your stack. 👇 cryptoapis.io/blog/612-we-ju… #KYT #AML #CryptoCompliance

We Just Launched KYT Transaction Screening — The Most Powerful AML Layer in Crypto Compliance

Crypto APIs launches KYT Transaction Screening — a powerful new AML API endpoint that lets you screen any on-chain transaction for risk in real time.

cryptoapis.io
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AWS just integrated x402 into CloudFront — AI agents can now pay publishers in USDC on Base, per request, automatically. Machine-to-machine payments are going mainstream. cryptoapis.io/blog/601-aws-c… #AI #Web3 #USDC #CryptoAPIs

AWS CloudFront x402 Integration: AI Agents Now Pay Publishers in USDC

AWS integrated Coinbase's x402 protocol into CloudFront, letting AI agents pay publishers in USDC on Base. What it changes for agentic payment infrastructure.

cryptoapis.io
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Stablecoin volume: $27.6T in 2025. MiCA enforcement: live June 2026. Teams relying on static address screening: at risk. Here's the 3-layer compliance architecture your payment stack actually needs 🧵
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Layer 3: Know the history. For high-value flows, pull full transaction graphs via Transactions Data + Address History. Trace second-hop counterparties. Build a FATF Travel Rule-compliant audit trail. Satisfy MiCA's chain-of-custody requirements. cryptoapis.io/products/trans…

Transactions Data by Crypto APIs

Retrieve blockchain transaction details, including addresses, status, and amounts for tracking, analysis, and integration.

cryptoapis.io
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Full developer guide — 3 layers, code examples, MiCA audit log schema, broadcast-vs-finality fix: cryptoapis.io/blog?utm_sourc… Try free: app.cryptoapis.io/auth/login… #StablecoinCompliance #CryptoAML #MiCA #Web3 #BlockchainAPI
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🚀 Big news! Crypto APIs is now a verified partner on @n8n_io! Connect 25+ blockchains to 1,000+ apps. Query addresses, broadcast txs, subscribe to on-chain events & power AI agents. One API key. 🔗 cryptoapis.io #n8n #BlockchainAutomation #CryptoAPIs
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On-chain forensics failures aren't hacks. They're 60s polling & one-hop checks. 5 war stories, millions lost: 💸 $4.2M — 23min late 🕸️ 340-hop wallet missed ⚡ 19 days dark post-upgrade 🔗 Mempool double-spend 🧩 Polygon blind spot Breakdown + fixes: cryptoapis.io/blog/583-on-ch…

On-Chain Forensics Failures: 5 War Stories That Cost Teams Millions

Five real on-chain forensics failures that cost teams millions, and the infrastructure gaps behind them: missing UTXO traces, delayed webhooks and blind spots.

cryptoapis.io
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📷 Your AI agent can now answer "Has this wallet received any transactions in the last 24 hours?" — in seconds, with zero integration code. That's live today. Here's how we got there 📷 2/ AI agents + blockchain has always been painful.
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3/ What your agent can do now: 📷 Query wallet balances & token holdings 📷 Estimate gas & simulate transactions 📷 Build, sign & broadcast txs locally 📷 Subscribe to on-chain events via webhooks Across EVM, UTXO, Solana, XRP & Kaspa.
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4/ Works with @AnthropicAI Claude, Cursor, Windsurf, n8n — and any MCP-compatible client. All 14 servers are open source on npm under @cryptoapis-io. 📷 Get your API key → cryptoapis.io 📷 Full post → cryptoapis.io/blog/559-give-… #MCP #AIAgent
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Crypto APIs optimized xpubs HD Wallets for faster #blockchain sync, lower costs, and simpler structures while keeping full multi-chain support. Enterprises get faster sync, lower database load, and better visibility. Read more: zurl.co/x9vtk #HDWallets #CryptoAPIs
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Blockchain fees impact reliability, user experience, and cost. For wallets and exchanges, poor fee estimation means stuck transactions and wasted spend. We break down #UTXO vs #EVM fee markets and why real-time estimation matters. zurl.co/k7vJf #CryptoAPIs #Blockchain
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