How to use Polymarket's API in general?

The Polymarket API allows developers to programmatically interact with the prediction market platform, enabling access to market data, bet placement, and the creation of custom prediction markets.

Feb 11, 2025 at 09:24 am

An in-depth Guide to the Polymarket API

Key Points:

• Introduction to the Polymarket API
• How to Create an Account
• How to Get an API Key
• How to Make API Calls
• How to Parse the Responses
• Advanced Features

Introduction to the Polymarket API

Polymarket is a prediction market platform that allows users to bet on the outcome of real-world events. The Polymarket API provides a programmatic interface to the platform, allowing developers to access market data, place bets, and create their own prediction markets.

How to Create an Account

To use the Polymarket API, you must first create an account on the Polymarket website. You can create an account by providing your email address and creating a password. Once you have created an account, you can log in to the website and access your API key.

How to Get an API Key

Your API key is a unique identifier that allows you to access the Polymarket API. To get your API key, log in to the Polymarket website and click on the "API Key" tab. Your API key will be displayed on this page.

How to Make API Calls

To make API calls to the Polymarket API, you will need to use the requests library. The requests library is a Python library that makes it easy to send HTTP requests.

To make an API call, you will need to send a request to the Polymarket API endpoint. The endpoint is the URL of the API method you want to call. For example, to get the current market data for a particular event, you would send a request to the /v2/markets endpoint.

In your request, you will need to include your API key as a header. You can do this by using the Authorization header. For example:

import requests

headers = {"Authorization": "Bearer YOUR_API_KEY"}
response = requests.get("https://api.polymarket.com/v2/markets", headers=headers)

How to Parse the Responses

The response from the Polymarket API will be in JSON format. You can use the json library to parse the response. The json library is a Python library that makes it easy to work with JSON data.

To parse the response, you can use the json.loads() function. For example:

import json

response_data = json.loads(response.text)

Advanced Features

The Polymarket API provides a number of advanced features, including:

• The ability to create your own prediction markets
• The ability to place bets on multiple outcomes
• The ability to get historical market data

To learn more about the advanced features of the Polymarket API, please refer to the Polymarket API documentation.

FAQs

What are the benefits of using the Polymarket API?

There are a number of benefits to using the Polymarket API, including:

• Easy to use: The Polymarket API is well-documented and easy to use.
• Provides access to market data: The Polymarket API provides access to a wealth of market data, including current market prices, historical market data, and market volume.
• Allows for the creation of custom prediction markets: The Polymarket API allows developers to create their own prediction markets.
• Enables the placement of bets on multiple outcomes: The Polymarket API allows users to place bets on multiple outcomes.

What are the risks of using the Polymarket API?

There are a number of risks associated with using the Polymarket API, including:

• The API may not be reliable: The Polymarket API is still under development and may not be reliable.
• The API may be subject to change: The Polymarket API is subject to change without notice.
• The API may be used for illegal purposes: The Polymarket API may be used for illegal purposes, such as money laundering or gambling.

How can I get help using the Polymarket API?

There are a number of ways to get help using the Polymarket API, including:

• Reading the Polymarket API documentation
• Posting a question on the Polymarket Discord server
• Contacting Polymarket support