Latest Blog Posts

Crypto Payment KYC: What Developers and Businesses Must Verify
Crypto Payment KYC: What Developers and Businesses Must Verify
By chaingateway
What KYC means for crypto payments, which checks apply to custodial, on-ramp and self-custody flows, and what to settle before you integrate a payment flow.
Token Standards Explained: ERC-20, ERC-721, ERC-1155 and More
Token Standards Explained: ERC-20, ERC-721, ERC-1155 and More
By chaingateway
Token standards explained for developers: what ERC-20, ERC-721, ERC-1155, TRC-20 and SPL define, how decimals work, and what to check before you integrate.
Transfer NFTs via API: Steps, Parameters and Pitfalls
Transfer NFTs via API: Steps, Parameters and Pitfalls
By chaingateway
How an NFT transfer API works: ownership checks, request parameters, gas, signing, confirmation and common errors on Ethereum and Solana, with a practical checklist.
Smart Contract Events API: Read, Filter and Subscribe
Smart Contract Events API: Read, Filter and Subscribe
By chaingateway
How a smart contract events API works: logs, topics and ABI decoding, past events versus live ones, and when to use webhooks, WebSockets or polling.
Address Monitoring API: How It Works and How to Build It
Address Monitoring API: How It Works and How to Build It
By chaingateway
What a crypto address monitoring API does, how webhooks deliver deposit and withdrawal events, and how to handle confirmations, retries and security in production.
ERC-20 Transfer Event: Structure, Topics and How to Listen
ERC-20 Transfer Event: Structure, Topics and How to Listen
By chaingateway
How the ERC-20 Transfer event works: its signature, topic hash, how to decode logs, the pitfalls of eth_getLogs, and how to get deposit alerts without running nodes.
Real-Time Crypto Alerts: Price Apps vs. Webhook Alerts
Real-Time Crypto Alerts: Price Apps vs. Webhook Alerts
By chaingateway
Real-time crypto alerts come in two kinds: price notifications for traders and webhook events for apps. Learn which you need and how to build the second.
How to Estimate Gas Fees on Ethereum and Other Chains
How to Estimate Gas Fees on Ethereum and Other Chains
By chaingateway
Learn how to estimate gas fees: the formula, gas limit vs gas price, eth_estimateGas, and the traps on Arbitrum and other chains, with a worked example.
How to Send ERC-20 Tokens: Wallet, Code and API Methods
How to Send ERC-20 Tokens: Wallet, Code and API Methods
By chaingateway
Send ERC-20 tokens from a wallet, with ethers.js, or through a REST API. Covers gas, decimals, contract-address risks and safe transfer patterns.
How to Create a Crypto Wallet with an API: 2026 Guide
How to Create a Crypto Wallet with an API: 2026 Guide
By chaingateway
Learn how to create crypto wallets through an API: custody choices, key security, address design, webhooks and a step-by-step build plan for developers.
Polygon Webhooks: Get Real-Time On-Chain Events Without Polling
Polygon Webhooks: Get Real-Time On-Chain Events Without Polling
By chaingateway
How Polygon webhooks work, what to watch for on PoS (reorgs, confirmations, duplicates), and how to build a safe, idempotent deposit handler for USDC and POL.
Handle 500 item batches: ERC-721 vs ERC-1155 for developers
Handle 500 item batches: ERC-721 vs ERC-1155 for developers
By chaingateway
Compare ERC-721 ownership vs ERC-1155 balances, event shapes, and metadata substitution. See common indexer pitfalls and when a unified API cuts...
Atomic Redis Lua Rate Limiting for APIs: Strategies for Developers
Atomic Redis Lua Rate Limiting for APIs: Strategies for Developers
By chaingateway
Redis ready API rate limiting for developers: choose sliding window, token, or leaky bucket; use atomic Redis Lua scripts and return RateLimit headers.
Track Live Arbitrum Gas Fees With NodeInterface and Nitro's Formula
Track Live Arbitrum Gas Fees With NodeInterface and Nitro's Formula
By chaingateway
Track live Arbitrum gas fees, reconstruct Nitro's P*(L2G+(L1P*L1S)/P) fee formula, and use NodeInterface to produce precise, production-ready estimates.
Developer: Ship Recurring Crypto Payments in 90 Days, EIP & 2026
Developer: Ship Recurring Crypto Payments in 90 Days, EIP & 2026
By chaingateway
Developer-facing blueprint to pilot recurring crypto payments: choose EIP-safe contracts, follow 2026 US reporting rules, and deploy a Chaingateway-backed...
Webhooks vs WebSockets for Developers: Ingest, Queue, Fan Out Pattern
Webhooks vs WebSockets for Developers: Ingest, Queue, Fan Out Pattern
By chaingateway
Developer-focused comparison of webhooks and WebSockets covering serverless fit, retry versus connection trade-offs, and the webhook→queue→WebSocket...
API Key Rotation for Developers: Automate Create, Set, Test, Finish
API Key Rotation for Developers: Automate Create, Set, Test, Finish
By chaingateway
Automate API key rotation with a create, set, test, finish workflow, secret manager checklist, and a 30 minute overlap to avoid downtime.
Integrate Web3 Into Your Business with Chaingateway
Integrate Web3 Into Your Business with Chaingateway
By chaingateway
Integrate Web3 Into Your Business with Chaingateway — full article on the Chaingateway blog: APIs, payments & integrations.
Receive Crypto Payments in Laravel — How-To
Receive Crypto Payments in Laravel — How-To
By chaingateway
Receive Crypto Payments in Laravel — How-To — read the full article on the Chaingateway blog: blockchain APIs, crypto payments, webhooks & integrations.
New Feature to Enhance Webhook Security
New Feature to Enhance Webhook Security
By chaingateway
New Feature to Enhance Webhook Security: read the full article on the Chaingateway blog — insights on blockchain APIs, payments, and crypto integrations.
Howto Decrypt Keystores Ethereum BNB Polygon
Howto Decrypt Keystores Ethereum BNB Polygon
By chaingateway
Howto Decrypt Keystores Ethereum BNB Polygon — read the full article on the Chaingateway blog: blockchain APIs, crypto payments, webhooks & integrations.
TRON Fees: Ultimate Guide + Free Calculator
TRON Fees: Ultimate Guide + Free Calculator
By chaingateway
TRON Fees: Ultimate Guide + Free Calculator — read the full article on the Chaingateway blog: blockchain APIs, crypto payments, webhooks & integrations.
Release of Chaingateway V2.1 Beta
Release of Chaingateway V2.1 Beta
By chaingateway
Release of Chaingateway V2.1 Beta: read the full article on the Chaingateway blog — insights on blockchain APIs, payments, and crypto integrations.
Tron Fees How They Work and Why They Matter
Tron Fees How They Work and Why They Matter
By chaingateway
Tron Fees How They Work and Why They Matter — read the full article on the Chaingateway blog: blockchain APIs, crypto payments, webhooks & integrations.
Blockchain for Transparent Supply Chains
Blockchain for Transparent Supply Chains
By chaingateway
Blockchain for Transparent Supply Chains — read the full article on the Chaingateway blog: blockchain APIs, crypto payments, webhooks & integrations.
Blockchain vs Database: Key Differences Explained
By chaingateway
How a blockchain differs from a traditional database: write model, consensus, latency, cost per write, plus a decision list and a hybrid payment pattern.
Tron vs Binance Smart Chain vs Ethereum
By chaingateway
Tron vs Binance Smart Chain vs Ethereum: read the full article on the Chaingateway blog — insights on blockchain APIs, payments, and crypto integrations.
Cryptonodes Io Dedicated Blockchain Nodes
By chaingateway
Cryptonodes Io Dedicated Blockchain Nodes: read the full article on the Chaingateway blog — insights on blockchain APIs, payments, and crypto integrations.
New NFTS and Estimategas Function
By chaingateway
New NFTS and Estimategas Function: read the full article on the Chaingateway blog — insights on blockchain APIs, payments, and crypto integrations.
Payment System Change
By chaingateway
Payment System Change: read the full article on the Chaingateway blog — insights on blockchain APIs, payments, and crypto integrations.
IP Whitelist
By chaingateway
IP Whitelist: read the full article on the Chaingateway blog — insights on blockchain APIs, payments, and crypto integrations.
Release of Our Official Blog
By chaingateway
Release of Our Official Blog: read the full article on the Chaingateway blog — insights on blockchain APIs, payments, and crypto integrations.