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

# Changelog

> Changes to the Polaris API surface, SDKs, and documentation, newest first.

Notable changes to the API, SDKs, hosted MCP, and docs. Schema and coverage details live on each page; this is the headline history.

## 2026-10-01

* Hosted MCP server supports x402 payments for restricted tool calls (\$0.01 USDC on Base per call) alongside API-key authentication — [MCP server setup](https://polaris.supply/mcp-server), [x402 spec](https://x402.org)
* Current Polaris API routes are exposed through MCP, including catalog discovery and paginated market data queries
* Reference docs consolidated: shared access and error guidance moved to [Access and rate limits](/endpoints/access-and-rate-limits); new [primer](/concepts/frontier-markets), [data conventions](/concepts/data-conventions), and [method map](/sdks/method-map) pages

## 2026-09-25

* Historical REST endpoints documented individually with per-parameter and per-field reference: [Trades](/endpoints/trades), [L2 Deltas](/endpoints/l2-updates), [L2 orderbooks](/endpoints/l2-orderbooks), [Funding rates](/endpoints/funding-rates), [Options ticker](/endpoints/options-ticker), [Perpetual ticker](/endpoints/perpetual-ticker), [OHLCV](/endpoints/ohlcv), [Intents](/endpoints/intents), [Raw](/endpoints/raw)
* Previous `/reference/*` paths now redirect here

## 2026-08-28 – 2026-08-29

* Deribit option coverage added to the catalog and coverage tables — [Market coverage](/markets/market-coverage)
* New workflow guides: [Backtesting](/guides/backtesting), [Cross-Venue Analysis](/guides/cross-venue-analysis), [Liquidity / Microstructure](/guides/liquidity-microstructure), [Post-Trade Analysis](/guides/post-trade-analysis), and [PropAMM Competitor Analysis](/guides/propamm-competitor-analysis)

## 2026-08-23 – 2026-08-25

* Hosted public MCP server released at `https://mcp.polaris.supply`, with standards-based discovery (MCP Server Card, well-known manifests) and agent usage guidance — [MCP server setup](https://polaris.supply/mcp-server)
* [Intents and RFQs](/guides/intents-and-rfqs) and [option ticker APIs](/endpoints/options-ticker) documented, including the REST routes and SDK event shapes

## 2026-08-17 – 2026-08-18

* PropAMM quote ladder schema documented for all six early sources — [Quote ladders](/endpoints/quotes#sdk-quote-ladders)
* Event schema v2 guidance consolidated: `collector_timestamp`/`exchange_timestamp` envelopes and legacy compatibility notes across SDK pages
* Docs reorganized SDK-first: SDK landing pages, schema pages per event type, and workflow guides for analysis patterns

## 2026-04-30

* Documentation migrated from Vocs to Mintlify (docs.polaris.supply)


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