Welcome to the Gemini API
Welcome! Thanks for visiting Gemini, a digital asset exchange and custodian operated by and proprietary to Gemini Trust Company, LLC (d/b/a Gemini Exchange, LLC in AK, AZ, DE, ID, KY, KS, MA, MI, MN, NC, ND, NM, OH, OR, SD, UT, and VA). By accessing or using Gemini’s application programming interface (the “API”), you are agreeing to enter into this API agreement (the “API Agreement”) by and between you and Gemini Trust Company, LLC, and be legally bound by its terms and conditions, so please read them carefully. If any term or condition of this API Agreement is unacceptable to you, please do not use our API. Use of the words “we,” “us,” or “our” in this API Agreement refers to Gemini Trust Company, LLC and any or all of its affiliates.
Using Our API
By visiting, accessing, or using Gemini, you have affirmed that you are at least 18 years old, have the legal capacity to enter into this API Agreement by and between you and Gemini Trust Company, LLC, and agree to be bound by the terms and conditions of this API Agreement in their entirety.
You understand and agree that this API Agreement is subject to the terms and conditions set forth in our User Agreement. In case of conflict, the User Agreement shall control.
Your use of our API must comply with our User Agreement, which is available here:
Feel free to print and keep a copy of this API Agreement, but please understand that we reserve the right to change any of these terms and conditions at any time. But don’t worry, you can always find the latest version of this API Agreement here on this page. Visiting, accessing, or using Gemini following any change to this API Agreement is considered to be your acceptance of any such changes. You should, therefore, read this API Agreement from time to time. If you do not agree to be bound by this API Agreement, you should not visit, access, or use Gemini.
Subject to the terms and conditions set forth in this API Agreement, we hereby grant to you a non-assignable, non-exclusive, worldwide, and royalty-free limited license to use our API. You may not use our API if (i) you are not at least 18 years old and do not have the legal capacity to enter into this API Agreement by and between you and Gemini Trust Company, LLC, (ii) you are a person barred from using our API under the applicable laws of the United States or other countries, including the country in which you are resident or from which you use our API, and (iii) you do not agree to be legally bound by the terms and conditions of this API Agreement in their entirety.
Our API documentation is available here:
If you are using our API, please complete our API Use Form, which is available here:
This will help us ensure that our API meets your needs.
Account Data and Transactions
If you would like use our API to access data specific to your user account (“User Account”) and its related Gemini account (“Gemini Account”), such as account balances or transaction history (collectively, “Account Data”), or to perform certain actions, such as placing orders on Gemini, you will need an API key. You can register for an API key here:
OEMS Service Providers
If you would like to use our API via a third-party order execution management system (“OEMS”) service provider or another type of third-party service provider (each, an “OEMS Service Provider”), you may do so pursuant to the the ‘Order Placement by OEMS Service Providers’ section of our User Agreement, which is located here:
An OEMS Service Provider must first be authorized by us to provide OEMS Services, and such authorization will only be granted by us to an OEMS Service Provider that satisfies specific criteria established by us in our sole discretion. If you are an OEMS Service Provider and would like to request authorization, please email email@example.com.
The following chart summarizes our API request types and whether or not they require an API key.
|API Request Type||API Key Required?|
|Gemini Market Data||No|
|Account Data (i.e., account balances, transaction history, pending orders and order status)||Yes|
|Perform actions (i.e., place orders, cancel orders, etc.)||Yes|
Subject to the terms and conditions set forth in this API Agreement, you are free to use our API within the following limits:
|API Request Type||Limit|
|Gemini Market Data||Up to one API request per ten seconds.|
|Account Data (i.e., account balances, transaction history, pending orders and order status)||Up to one API request per second.|
|Perform actions (i.e., place orders, cancel orders, etc.)||Up to one API request per second.|
If you require increased limits, please email firstname.lastname@example.org.
Gemini Market Data
You may use our API to receive and view Gemini bid prices, ask prices, trade prices, final auction prices, and trading volume (collectively, “Gemini Market Data”). Your use of Gemini Market Data is subject to our Market Data Agreement, which is available here:
For more information on Gemini Market Data, please see our Marketplace page, which is located here:
By accessing or using our API, you acknowledge and agree that Gemini Market Data is proprietary to us and protected by applicable intellectual property laws.
Authorized Access and Security
When accessing or using our API, you must comply with all of our security policies and procedures at all times. You shall not, and shall not attempt to reverse-engineer, decompile, disassemble, or otherwise attempt to determine or modify the source code of our API or create any derivative products from our API. Anyone who uses our API to access Account Data or to perform actions on Gemini must authenticate with an API key.
You agree that your User Account login credentials and other required forms of authentication, where applicable, have been chosen by you, when applicable. You, therefore, agree to keep your User Account login credentials and other required forms of authentication, including your API keys, confidential and separate from each other, as well as separate from any other information or documents relating to your Gemini Account and your User Account. You also agree to be solely responsible for maintaining the security of your User Account login credentials and other required forms of authentication, including your API keys. Unfortunately, we cannot be responsible for any unauthorized use of your User Account or your Gemini Account.
YOU AGREE TO ACCEPT RESPONSIBILITY FOR ANY CHARGES OR LOSSES CAUSED AS A RESULT OF, OR IN CONNECTION WITH, BUT NOT LIMITED TO, AN ORDER PLACED OR WITHDRAWAL REQUEST INITIATED THROUGH OUR API WITH YOUR API KEY.
IF YOU BELIEVE YOUR API KEY, YOUR USER ACCOUNT LOGIN CREDENTIALS OR OTHER REQUIRED FORMS OF AUTHENTICATION, OR ANY OTHER ACCOUNT ASSOCIATED WITH YOUR GEMINI ACCOUNT HAS BEEN COMPROMISED, IT IS YOUR RESPONSIBILITY TO EMAIL email@example.com AND NOTIFY US IMMEDIATELY.
Suspension or Termination
You understand and agree that we may, in our sole discretion, change, suspend, discontinue, or terminate any aspect of our API, or its availability to you, at any time and without notice.
If you have any questions, would like to provide feedback, or would like more information about our API, please feel free to email us at firstname.lastname@example.org.