# EntityML Market Data API

## Docs

- [Create API Key](https://docs.entityml.com/api-reference/endpoint/create-api-key.md): Create a new API key for a user.
- [Create Checkout Session](https://docs.entityml.com/api-reference/endpoint/create-checkout-session.md): Create a Stripe Checkout session for a subscription.
- [Create Portal Session](https://docs.entityml.com/api-reference/endpoint/create-portal-session.md): Create a Stripe Customer Portal session.
- [Delete API Key](https://docs.entityml.com/api-reference/endpoint/delete-api-key.md): Deactivate an API key.
- [Get API Key Last Used](https://docs.entityml.com/api-reference/endpoint/get-api-key-last-used.md): Return the last-used timestamp for a specific API key.
- [Get API Key Name](https://docs.entityml.com/api-reference/endpoint/get-api-key-name.md): Return the display name for a specific API key.
- [List API Keys](https://docs.entityml.com/api-reference/endpoint/get-api-keys.md): Retrieve all active API keys for a user.
- [Health Check](https://docs.entityml.com/api-reference/endpoint/get-health.md): Return service health and basic dependency status.
- [Get Kalshi Market Data](https://docs.entityml.com/api-reference/endpoint/get-kalshi-market-data.md): Retrieve raw Kalshi order book events for a specific market ticker on a given date.
- [Get Kalshi Market Data Range](https://docs.entityml.com/api-reference/endpoint/get-kalshi-market-data-range.md): Retrieve raw Kalshi market events across an inclusive timestamp range using cursor pagination.
- [Get Kalshi Market Date Range](https://docs.entityml.com/api-reference/endpoint/get-kalshi-market-date-range.md): Return the stored date range for a Kalshi market ticker.
- [Get Kalshi Orderbook Summary](https://docs.entityml.com/api-reference/endpoint/get-kalshi-orderbook-summary.md): Retrieve a bucketed best bid/best ask time series for a Kalshi market ticker on a UTC date or custom timestamp window.
- [Get Polymarket Market Data](https://docs.entityml.com/api-reference/endpoint/get-market-data.md): Retrieve raw Polymarket order book events for a specific market condition and UTC date.
- [Get Monitoring Status](https://docs.entityml.com/api-reference/endpoint/get-monitoring-status.md): Return infrastructure status used by the public status page.
- [Get Polymarket Market Data Range](https://docs.entityml.com/api-reference/endpoint/get-polymarket-market-data-range.md): Retrieve raw Polymarket order book events across an inclusive timestamp range using cursor pagination.
- [Get Polymarket Market Date Range](https://docs.entityml.com/api-reference/endpoint/get-polymarket-market-date-range.md): Return the stored date range for a Polymarket market condition ID.
- [Get Polymarket Orderbook Summary](https://docs.entityml.com/api-reference/endpoint/get-polymarket-orderbook-summary.md): Retrieve a bucketed best bid/best ask time series for a Polymarket market condition on a UTC date or custom timestamp window.
- [Look Up Polymarket Slug](https://docs.entityml.com/api-reference/endpoint/get-polymarket-slug-lookup.md): Resolve a Polymarket event slug, market slug, or full Polymarket URL into one or more condition IDs.
- [Get Popular Markets](https://docs.entityml.com/api-reference/endpoint/get-popular-markets.md): Return the most frequently queried markets over a lookback window.
- [Get Subscription Status](https://docs.entityml.com/api-reference/endpoint/get-subscription-status.md): Return subscription state for a user.
- [Get System Stats](https://docs.entityml.com/api-reference/endpoint/get-system-stats.md): Return system-wide API usage and market stats.
- [Get Usage](https://docs.entityml.com/api-reference/endpoint/get-usage.md): Return current monthly API usage and plan limit for a user.
- [Get User Recent Requests](https://docs.entityml.com/api-reference/endpoint/get-user-recent-requests.md): Return the most recent logged API requests for a user.
- [Get User Request Count](https://docs.entityml.com/api-reference/endpoint/get-user-request-count.md): Return the total logged API request count for a user.
- [Get User Request Count Timeframe](https://docs.entityml.com/api-reference/endpoint/get-user-request-count-timeframe.md): Return hourly API request counts for a user over a timestamp window.
- [List Kalshi Markets](https://docs.entityml.com/api-reference/endpoint/list-kalshi-markets.md): List stored Kalshi market tickers from the backing S3 inventory.
- [List Polymarket Markets](https://docs.entityml.com/api-reference/endpoint/list-polymarket-markets.md): List stored Polymarket market condition IDs from the backing S3 inventory.
- [Stripe Webhook](https://docs.entityml.com/api-reference/endpoint/stripe-webhook.md): Receive Stripe subscription lifecycle events.
- [API Reference](https://docs.entityml.com/api-reference/introduction.md): Base URL, authentication, and conventions for the EntityML Market Data API.
- [CLI](https://docs.entityml.com/cli.md): Use the EntityML CLI for Polymarket and Kalshi market data endpoints.
- [Data Quality](https://docs.entityml.com/data-quality.md): Coverage windows, known gaps, and validation steps for historical Polymarket and Kalshi data.
- [Error Responses](https://docs.entityml.com/errors.md): HTTP status codes and error response format for the EntityML Market Data API.
- [Examples](https://docs.entityml.com/examples.md): Copyable SDK, CLI, and HTTP examples for common market data workflows.
- [Getting Started](https://docs.entityml.com/getting-started.md): Create an API key, install the SDK or CLI, and make your first request to the EntityML Market Data API.
- [EntityML Market Data API](https://docs.entityml.com/index.md): Retrieve real-time and historical Polymarket and Kalshi order book data.
- [Python SDK](https://docs.entityml.com/sdk-python.md): Use the official EntityML Python SDK for Polymarket and Kalshi market data.

## OpenAPI Specs

- [openapi](https://docs.entityml.com/api-reference/openapi.json)

## Optional

- [GitHub](https://github.com/anaygupta2004/entityml)