> ## Documentation Index
> Fetch the complete documentation index at: https://docs.uniblock.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Changelog

> Product updates and releases across the Uniblock APIs, dashboard, and documentation.

<Update label="August 2026">
  * Polygon PoS: the `erigon_*` method namespace and select `trace_*` methods removed on Polygon mainnet (137) and Amoy testnet (80002) following the upstream Erigon client sunset (August 4)
  * Webhook data corrections shipped with a full historical backfill (August 4)
</Update>

<Update label="July 2026">
  * Hyperliquid unified API launched (July 23): `POST /v1/hyperliquid/info` for HyperCore info requests, HyperCore passthrough, HyperEVM JSON-RPC, and WebSocket streaming behind one API key
  * Startup Program launched: up to \$10,000 in credits for eligible early-stage teams
  * Dashboard: API key nicknames, testnets hidden by default behind a toggle, promo code entry simplified to a single card, Hyperliquid added to chain discovery (July 22), subscription schedule bug fixed (July 13)
  * Chains: Polygon zkEVM, Polygon zkEVM Cardona, Botanix mainnet, and Botanix testnet removed
  * Multicall3 address data normalized across chains
  * Docs: Hyperliquid guides added, rate limit documentation clarified, broken example parameters fixed in the docs and the dashboard API tester
</Update>

<Update label="June 2026">
  * Codex: the Defined direct API renamed to Codex in line with the provider rebrand, all 61 GraphQL endpoints re-pathed, WebSocket support added (June 5)
  * GCP Marketplace: Uniblock subscriptions now available with billing through a Google Cloud account
  * Sonic Blaze testnet removed following upstream deprecation (June 11)
  * Routing now consumes live provider health grades, refreshed every 60 seconds on the most active chains, to route around degraded providers
</Update>

<Update label="May 2026">
  * Dashboard redesign shipped: new look and navigation, a single APIs surface spanning Unified, Direct, and JSON-RPC, a dedicated WebSocket section, refreshed documentation
  * Pricing calculator launched (May 6): pre-signup cost estimation from expected usage
</Update>

<Update label="March 2026">
  * Arbitrum Nova: additional provider coverage added ahead of an upstream deprecation, keeping service uninterrupted (March 24)
</Update>

<Update label="January 2026">
  * All traffic completed migration to the upgraded auto-routing engine (January 18)
  * New chains: Corn, Taiko, Telos, and Etherlink
  * Kaia: `kaia_getLogs`, `klay_getLogs`, and `kaia_getBlockReceipts` added (January 23)
  * Monad method coverage expanded; MegaETH added to JSON-RPC support and documentation (January 28)
  * New RPC provider integration completed
</Update>