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PMXT hosted API

One hosted API key for cross-venue market search, matching, historical data and supported prediction-market trading methods.

3.5/ 5Editorial rating0 user reviews
Visit official sitepmxt.dev
Available on
REST API, WebSocket, Python, TypeScript
Pricing
Free; Starter $29.99/month; Pro $99.99/month. Hosted data uses credit quotas.

Screenshots and interface

Product preview1 / 2

PMXT API entry page and SDK example.

What is PMXT hosted API?

PMXT’s hosted service supplies a shared market catalog and common response shapes across supported venues. Its Router searches across the catalog, groups matching or related markets and compares prices. Python and TypeScript clients expose the same high-level methods, with support determined by each venue and runtime mode.

Who it is for

  • Developers building multi-venue research applications
  • Teams that want hosted catalog and matching infrastructure
  • Applications combining market discovery with supported execution

Features and coverage

Available on
REST API, WebSocket, Python, TypeScript
Markets & venues
Polymarket, Kalshi, Limitless, Smarkets, Other supported venues
  • Unified market schema

    Work with Event, Market and Outcome objects across venue clients.

  • Router search

    Search the hosted catalog with one query.

  • Matched clusters

    Inspect related-market groups, relation types and confidence scores.

  • Historical data

    Access hosted candle history and order-book snapshots under the applicable plan.

  • Venue methods

    Use shared method names such as market queries, position reads and order creation where implemented.

  • Hosted trading

    The documented hosted write path uses PreFundedEscrow custody.

  • Client choice

    Use Python pmxt or TypeScript pmxtjs.

Workflows with PMXT hosted API

Compare an event across venues

Search with Router, inspect the matched cluster and retain its relation type and confidence. Read the relevant bid/ask data before choosing the venue-specific client.

Build a hosted integration

Create a key, make a small read request and budget both REST calls and WebSocket messages. Add writes only through the documented hosted account flow.

Pricing and total cost

Free, Starter and Pro plans meter hosted data by credits.

Free

$0/month

  • 25,000 credits/month
  • 60 requests/minute
  • 5 WebSocket streams

Starter

$29.99/month

  • 250,000 credits/month
  • 300 requests/minute
  • 20 streams

Pro

$99.99/month

  • 1 million credits/month
  • 1,000 requests/minute
  • 100 streams

Fees and usage costs

  • One REST call costs one credit; one WebSocket message costs 0.1 credits.
  • Published plans are for personal use; enterprise access is quoted separately.

Getting started

Before you start: Hosted writes use a different custody and credential model from self-hosting.

  1. Create a PMXT hosted API key.
  2. Install the official Python or TypeScript client.
  3. Initialize a venue client or Router with the key.
  4. Request a few markets, then inspect matched clusters and venue support.
  5. Use the hosted trading quickstart for account and execution setup.

Open documentation

Useful links

What to check

  • Hosted writes use a different custody and credential model from self-hosting.
  • Hosted catalog IDs and venue-native IDs are not interchangeable in every flow.
  • A common method name does not mean every venue implements it.
  • Published data plans are limited to personal use.

A closer look

Ratings & reviews

Write a review
Editorial rating
3.5/ 5
0 user reviews
Polytoolhub editorial

Our take on PMXT hosted API

A shared market schema and hosted access can shorten a multi-venue prototype. Personal-use plan limits, credential custody and uneven venue methods need review before a production deployment.

Based on documented features, setup and access terms. How we rate

User reviews 0

The main score switches to user ratings after 5 published reviews.

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Frequently asked questions about PMXT hosted API

How is hosted PMXT different from the open-source SDK?

Hosted mode uses PMXT infrastructure and an API key. Self-hosted mode runs pmxt-core locally and uses venue-native access.

What consumes a credit?

One REST call costs one credit; a WebSocket message costs 0.1.

Does matching mean two contracts have identical settlement terms?

Clusters include relation types and confidence; inspect the underlying contracts.