Changelog

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2026

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2026-02-04

SDK Updates

• TypeScript SDK v0.2.6
  • WebSocket connection stability improvements
  • Fixed subscription reconnection issues
• Python SDK v0.1.3
  • Async client performance optimization
  • Enhanced type hints
• Go SDK v0.1.3
  • Error handling improvements
  • Memory usage optimization
• Rust SDK v0.1.3
  • First stable release
  • Complete API coverage

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2026-02-03

Major Updates

• 🎉 Python SDK v0.1.0 officially released
• 🎉 Go SDK v0.1.0 officially released
• 🎉 Rust SDK v0.1.0 officially released
• TypeScript SDK upgraded to v0.2.x series

New Features

• Unified multi-language SDK architecture
• Complete OpenAPI client support
• WebSocket real-time data subscription

SDK Versions

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2026-01-29

SDK Updates

• TypeScript SDK v0.1.26
  • Full KYT API support
  • Webhook endpoint management API

Improvements

• KYT transaction risk assessment response time improved
• Webhook signature verification documentation updated

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2026-01-20

New Features

• Token liquidity snapshots API (/v1/token/{chain}/{address}/liquiditysnapshots)
• Token traders tag API (/v1/token/{chain}/{address}/traders/tag)

SDK Updates

• TypeScript SDK v0.1.22
  • Added liquidity snapshot methods
  • Type definitions optimized

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2026-01-15

New Features

• Webhook system officially released
  • Token creation notifications (sol.token.created)
  • Token migration notifications (sol.token.migrated)
• Webhook secret rotation API

SDK Updates

• TypeScript SDK v0.1.20
  • Webhook endpoint management
  • Secret rotation methods

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2026-01-04

New Features

• KYA (Know Your Address) API
• Address risk assessment endpoints
• Batch address queries

SDK Updates

• TypeScript SDK v0.1.19
  • Complete KYA API support
  • Batch query optimization

Improvements

• Average API response time reduced by 30%
• More detailed error messages

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2025

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2025-12-23

Improvements

• Improved Solana data coverage
• WebSocket heartbeat mechanism optimization
• Token metadata caching strategy improvements

SDK Updates

• TypeScript SDK v0.1.15
  • WebSocket reconnection logic optimization
  • Heartbeat timeout configuration

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2025-12-01

New Features

• 🎉 KYT (Know Your Transaction) API officially released
  • Transaction risk assessment
  • Fund source tracing
  • Risk alert generation
• Token developer info API (/v1/token/{chain}/dev/{devAddress}/tokens)

SDK Updates

• TypeScript SDK v0.1.14
  • Complete KYT API support
  • Risk assessment methods

Improvements

• DEX quote aggregation supports more protocols
• Optimized routing algorithm for large trades

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2025-10-15

New Features

• Token security check API (/v1/token/{chain}/{address}/security)
• Token mint/burn history API (/v1/token/{chain}/{address}/mintandburn)
• Token creation info query (/v1/token/{chain}/{address}/creation)

SDK Updates

• TypeScript SDK v0.1.11
  • Security check methods
  • Token history queries

Improvements

• Price data latency reduced to under 50ms
• K-line data supports more time periods

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2025-09-27

Major Updates

• 🎉 TypeScript SDK v0.1.0 officially released
• Complete REST API client
• WebSocket real-time data subscription support

Features

• Token API full support
• Wallet API full support
• DEX API full support
• Ranking API full support
• WebSocket subscription methods

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2025-09-18

New Features

• Wallet balance update history API
• Wallet PnL calculation API
• Batch token queries

SDK Updates

• TypeScript SDK v0.0.12
  • Wallet-related methods
  • Batch query support

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2025-09-08

New Features

• WebSocket real-time data push officially released
• Supported subscription types:
  • Token candles (dex-token-candles)
  • Token stats (dex-token-stats)
  • Token holders (token-holders)
  • New tokens (dex-new-token)
  • Wallet balance (wallet-balance)
  • Wallet trades (wallet-trade)

SDK Updates

• TypeScript SDK v0.0.7
  • WebSocket client
  • Auto-reconnection support

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2025-09-03

New Features

• DEX quote and routing API
• Token K-line data API
• Token market data API

SDK Updates

• TypeScript SDK v0.0.4
  • DEX trading methods
  • K-line queries

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2025-09-01

Initial Features

• 🎉 ChainStream API officially released
• Full Solana chain support
• Core features:
  • Token info and price queries
  • Token holder analysis
  • DEX trading data
  • Wallet balance and stats
  • Ranking API

SDK Updates

• TypeScript SDK v0.0.2
  • First usable version
  • Basic API support

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2025-08-31

• TypeScript SDK first published to npm
• Package: @chainstream-io/sdk

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SDK Version Overview

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Latest Versions

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TypeScript SDK Version History

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Version Policy

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API Versions

• Major (v1, v2): Breaking changes
• Minor (v1.1, v1.2): New features, backward compatible
• Patch (v1.1.1): Bug fixes

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SDK Versions

SDKs follow Semantic Versioning (SemVer):

• Major: Breaking changes
• Minor: New features
• Patch: Bug fixes

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Deprecation Policy

• Deprecated endpoints retained for at least 6 months
• Deprecation warnings added to response headers
• Major changes announced 30 days in advance

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