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Dome API

Community
17 tools

$0.02/call

Dome API provides comprehensive access to prediction market data across multiple platforms including Polymarket and Kalshi.

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Dome Markets
dome_markets

Find markets on Polymarket using various filters including the ability to search

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$0.02/call

Dome Market Price
dome_market_price

Fetches the current market price for a market by token_id. Allows historical lookups via the at_time query parameter.

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$0.02/call

Dome Markets Get
dome_markets_get

Find markets on Kalshi using various filters including market ticker, event ticker, status, and volume

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$0.02/call

Dome Activity
dome_activity

Fetches activity data for a specific user with optional filtering by market, condition, and time range. Returns trading activity including MERGES, SPLITS, and REDEEMS.

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$0.02/call

Dome Binance Prices
dome_binance_prices

Fetches historical crypto price data from Binance. Returns price data for a specific currency pair over an optional time range. When no time range is provided, returns the most recent price. All timestamps are in Unix milliseconds. Currency format: lowercase alphanumeric with no separators (e.g., btcusdt, ethusdt).

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$0.02/call

Dome Orderbook History
dome_orderbook_history

Fetches historical orderbook snapshots for a specific asset (token ID) over a specified time range. If no start_time and end_time are provided, returns the latest orderbook snapshot for the market. Returns snapshots of the order book including bids, asks, and market metadata in order. All timestamps are in milliseconds. Orderbook data has history starting from October 14th, 2025. Note: When fetching the latest orderbook (without start/end times), the limit and pagination_key parameters are ignored.

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$0.02/call

Dome Wallet
dome_wallet

Fetches wallet information by providing either an EOA (Externally Owned Account) address or a proxy wallet address. Returns the associated EOA, proxy, and wallet type. Optionally returns trading metrics including total volume, number of trades, and unique markets traded when with_metrics=true.

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$0.02/call

Dome Orderbook History Get
dome_orderbook_history_get

Fetches historical orderbook snapshots for a specific Kalshi market (ticker) over a specified time range. If no start_time and end_time are provided, returns the latest orderbook snapshot for the market. Returns snapshots of the order book including yes/no bids and asks with prices in both cents and dollars. All timestamps are in milliseconds. Orderbook data has history starting from October 29th, 2025. Note: When fetching the latest orderbook (without start/end times), the limit parameter is ignored.

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$0.02/call

Dome Market Price Get
dome_market_price_get

Fetches the current market price for a Kalshi market by market_ticker. Returns prices for both yes and no sides. Allows historical lookups via the at_time query parameter.

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$0.02/call

Dome Trade History
dome_trade_history

Fetches historical trade data for Kalshi markets with optional filtering by ticker and time range. Returns executed trades with pricing, volume, and taker side information. All timestamps are in seconds.

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$0.02/call

Dome Sport By Date
dome_sport_by_date

Find equivalent markets across different prediction market platforms (Polymarket, Kalshi, etc.) for sports events by sport and date.

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$0.02/call

Dome Sports
dome_sports

Find equivalent markets across different prediction market platforms (Polymarket, Kalshi, etc.) for sports events using a Polymarket market slug or a Kalshi event ticker.

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$0.02/call

Dome Positions
dome_positions

Fetches all Polymarket positions for a proxy wallet address. Returns positions with balance >= 10,000 shares (0.01 normalized) with market info.

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$0.02/call

Dome Candlesticks
dome_candlesticks

Fetches historical candlestick data for a market identified by condition_id, over a specified interval.

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$0.02/call

Dome Chainlink Prices
dome_chainlink_prices

Fetches historical crypto price data from Chainlink. Returns price data for a specific currency pair over an optional time range. When no time range is provided, returns the most recent price. All timestamps are in Unix milliseconds. Currency format: slash-separated (e.g., btc/usd, eth/usd).

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$0.02/call

Dome Wallet Profitandloss
dome_wallet_profitandloss

Fetches the realized profit and loss (PnL) for a specific wallet address over a specified time range and granularity. Note: This will differ to what you see on Polymarket’s dashboard since Polymarket showcases historical unrealized PnL. This API tracks realized gains only - from either confirmed sells or redeems. We do not realize a gain/loss until a finished market is redeemed.

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$0.02/call

Dome Trade History Get
dome_trade_history_get

Fetches historical trade data with optional filtering by market, condition, token, time range, and user’s wallet address.

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$0.02/call

Connect Dome API tools
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Cursor

Claude Code

Claude Desktop

Windsurf

VS Code

Cline

Roo Code

ChatGPT

Gemini CLI

Amazon Q

Goose

Augment

n8n

API / cURL

AI SDK

TypeScript SDK

Add to ~/.cursor/mcp.json
{
  "mcpServers": {
    "dome": {
      "url": "https://dome.mcp.xpay.sh/mcp?key=YOUR_API_KEY"
    }
  }
}
Or connect all tools

Access all tools (including Dome API) through a single MCP connection.

https://mcp.xpay.sh/mcp?key=***
{
  "mcpServers": {
    "xpay": {
      "url": "https://mcp.xpay.sh/mcp?key=YOUR_API_KEY"
    }
  }
}
Agent Discovery

Machine-readable catalogs for LLM agents and automation.

llms.txt — Human-readable tool catalog
curl https://xpay.tools/llms.txt
agents.txt — Structured JSON for agents
curl https://xpay.tools/agents.txt
skill.md — Claude Code skill
curl https://xpay.tools/skill.md
Pricing

Pay per tool call. No subscriptions.

17 Dome API tools available
Frequently Asked Questions

Dome API is an API provider available on xpay with 17 tools. Dome API provides comprehensive access to prediction market data across multiple platforms including Polymarket and Kalshi. All tools are pay-per-call with no monthly fees.

Dome API tools are priced at $0.02 per call. You only pay when you use a tool — there are no subscriptions or monthly fees. New accounts get $5 in free credits to try any tool.

Each xpay provider has its own MCP endpoint. For Claude Code: claude mcp add --transport http dome "https://dome.mcp.xpay.sh/mcp?key=YOUR_XPAY_KEY". For Cursor/Windsurf/Cline/VS Code, add the same URL to mcp.json. To get every xpay provider in one connection, use https://mcp.xpay.sh/mcp?key=YOUR_XPAY_KEY and discover tools with xpay_discover / xpay_run.

Dome API provides 17 tools: Dome Markets, Dome Market Price, Dome Markets Get, Dome Activity, Dome Binance Prices, and 12 more. Each tool can be called independently and has its own per-call pricing.

No. With xpay, one API key gives you access to all 17 Dome API tools plus tools from many other providers. You don't need to sign up for Dome API's API directly — xpay handles authentication, billing, and rate limiting.

Yes. Every new xpay account gets $5 in free credits — no credit card required. Sign up at xpay.tools to start running Dome API tools immediately.

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