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Layer

StartupLaunched September 2026

The Story

One API for prediction markets. Find markets, stream normalized data, place orders, and track positions across Kalshi and Polymarket.

layer examples how it works agents docs Get an API key For developers building trading bots and AI agents Build your trading bot once. Run it across markets. Layer tells your bot or AI agent which markets are the same bet, shows prices and order books in one format, places and cancels orders, and reports what filled. You write the strategy. Layer handles the venues.

Your bot decides what counts as a good trade. Layer makes sure it is comparing the same thing, at the real price, and tells it what happened.

Venues word the same event differently, and sometimes settle it differently. Layer reads both sets of rules, tells you whether it’s the same bet, flags what differs, and checks again after it settles.

Prices, order books and fees from every venue in one format. A quoted price isn’t your price, so your bot sees the cost after fees and how much it can actually buy.

Overview

One API for prediction markets. Find markets, stream normalized data, place orders, and track positions across Kalshi and Polymarket.

One API for prediction markets. Find markets, stream normalized data, place orders, and track positions across Kalshi and Polymarket.

layer examples how it works agents docs Get an API key For developers building trading bots and AI agents Build your trading bot once. Run it across markets. Layer tells your bot or AI agent which markets are the same bet, shows prices and order books in one format, places and cancels orders, and reports what filled. You write the strategy. Layer handles the venues.

Your bot decides what counts as a good trade. Layer makes sure it is comparing the same thing, at the real price, and tells it what happened.

Venues word the same event differently, and sometimes settle it differently. Layer reads both sets of rules, tells you whether it’s the same bet, flags what differs, and checks again after it settles.

FAQ

What is Layer?

One API for prediction markets. Find markets, stream normalized data, place orders, and track positions across Kalshi and Polymarket.

Where can I access Layer?

Use the official product link below. It is the destination recorded for this listing.

Where should I check current pricing and availability?

Check the current product page before making a decision. The directory's pricing category is a listing field, not a live price quote or availability guarantee.

What stack is Layer built with?

The CompassPad entry does not list a specific stack for Layer.

Is Layer free, or does it cost money?

The CompassPad listing records Layer as free to use. Check the product page for any optional paid options.

What we checked

  • DISCOVERED
    Found in the wild

    This listing was discovered from a public launch post and the description above is drawn from the product's own website.

  • LIVE
    Product site

    The product site resolved when this entry was added to the catalog.

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