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Introducing Brokers (IBs) integrate with Polymarket US using the same workflow and APIs as ISVs — the difference is regulatory, not technical. Start with Your Role and the Integration Journey for the build path; this page covers the IB-specific agreement and regulatory requirements.
Audience: business, legal, and compliance teams. This page is about IB eligibility and regulatory obligations. Developers can go straight to the Integration Journey.

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Overview

IB Participant Agreement

Download the IB Participant Agreement for Polymarket Exchange
Polymarket US partners with licensed Introducing Brokers (IBs) to provide customers access to prediction markets on our platform. Polymarket US reviews all IB applications and may approve, deny, or condition applications at its discretion in an impartial and transparent manner. Decisions are communicated in writing with specified rationale. IBs may request reconsideration within 28 business days. To learn more about becoming an Introducing Broker with Polymarket US, please contact institutional@polymarket.us

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How IBs integrate

The technical integration is identical to an ISV’s — same APIs, same workflow. Follow the standard path:

Your Role

What you do, what Polymarket US does, and what you never handle.

Integration Journey

The recommended order to build your integration.
Funding. Participant trading accounts are funded at order time via On-Demand Funding (Beta).
The requirements below are regulatory obligations specific to Introducing Brokers — they apply in addition to the technical integration above.

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Requirements

To become an IB with Polymarket US, you must:
  • Be a U.S.-based entity in good standing
  • Hold current CFTC registration as an Introducing Broker
  • Be a member of the National Futures Association (NFA)
  • Maintain adequate financial resources per CFTC Rule 1.17
  • Execute an IB Agreement with Polymarket US
  • Designate a supervisor responsible for all employee trading activities
  • Maintain written compliance and supervisory policies per NFA Compliance Rule 2-9
  • Submit annual Business Continuity and Disaster Recovery plans that coordinate with Polymarket US systems
IBs must provide their customers with:
  • Current and complete copy of Polymarket US Rulebook
  • Terms and conditions for all listed contracts
  • Rules and mechanisms for executing transactions
  • Updates on new products, rule changes, and platform modifications
  • All information relevant to platform operations
IBs are also required to:
  • Ensure customers clear through an FCM that is a clearing member, or are Self-Clearing Members
  • Maintain and enforce NFA-compliant compliance policies
  • Provide compliance documentation to Polymarket US, CFTC, or NFA upon request
Approved IBs receive:
  • Access to intermediate customer transactions on Polymarket US
  • Rights to distribute market data to customers under data distribution agreements
  • API access for trading and account management
IB customers must:
  • Adhere to both IB procedures and Polymarket US rules
  • Acknowledge the Rulebook and Source Agency Prohibition before placing orders
  • Use clearing services through an FCM or be a Self-Clearing Member
  • Disclose all accounts if trading through multiple IBs
  • Follow all position limits across all accounts