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API Terms of Service

Last Updated: March 6, 2019

IMPORTANT - READ CAREFULLY: This API License Agreement (this "Agreement") is a contract between you, as Licensee ("You" or "Licensee") and Blockchain Luxembourg S.a.r.l. and applies to your use of the Blockchain API service (the "Service"). IF YOU DO NOT AGREE TO BE BOUND BY THE TERMS AND CONDITIONS OF THIS AGREEMENT, PLEASE DO NOT USE OR ACCESS OUR SERVICES. INSTEAD, IF YOU WISH TO MODIFY THESE TERMS PRIOR TO USING OR ACCESSING OUR SERVICES, PLEASE CONTACT US AT [email protected]

In this Agreement, "you" or "your" means any person or entity using the Service. Unless otherwise stated, "Blockchain," "we" or "our" will refer collectively to Blockchain Luxembourg S.a.r.l. and its affiliates. This Agreement is effective as of the date you first access, download or use the API, or clicks the Acceptance button ("Effective Date"), until the time it is terminated. This Agreement incorporates the Blockchain Terms of Use, the terms of which also govern your use of the Blockchain Service.

1. Licenses and Restrictions

  • 1. API License. Subject to the terms and conditions of this Agreement, Blockchain hereby grants to you a non-exclusive, non-transferable, non-sublicense-able, limited license to use the Application Programming Interface ("API License") solely in accordance with this Agreement. You may do the following under this API License:
    • Access information provided by Blockchain via the API ("Database") only in the manner permitted by Blockchain;
    • Retrieve public information about the Bitcoin blockchain, including transaction history, balances, addresses, aggregate statistics;
    • Receive notifications about payments to particular addresses;
    • Observe transactions on the network in real time
    • Retrieve current Bitcoin market prices
    • Use the API as often and as many times as necessary to conduct your business
    • Send Bitcoin, generate addresses and private keys, generate and modify address labels;
    • Query the Database, execute transactions and retrieve therefrom information necessary to facilitate the Permitted Use provided for in this Section; such information stored and/or retrieved in the Database (but exclusive of your information not accessed by the API) is defined as "Blockchain Content" or; "Content";and
    • Abide by this and all other agreements you have or will enter into with Blockchain

    Any combination of the foregoing bulleted subsections above are "Permitted Use." Permitted Use is subject to all restrictions identified herein. We will provide to you a key that will permit you to use the API (the "Key"). The Key is the property of Blockchain and may be immediately revoked or terminated by Blockchain, including your use of the Content or Database in any way not expressly permitted or granted under this Agreement. A "Third Party Service Provider" is any third party service provider who is reasonably needed to undertake the Permitted Use of this Agreement and who is subject to all restrictions herein, including confidentiality provisions at least as restrictive as those set forth in Section 7 ("Confidential Information").

  • 2. General License Conditions and Restrictions. You shall neither use the Database or the API Program in any way not expressly permitted or granted under this Agreement, nor use any alternative means such as robots, spiders, scraping or other technology to access, query, or use www.blockchain.com, or any other web site owned or operated by Blockchain or any of its affiliates or subsidiaries (the "Blockchain Site"), Database, Content, or API Program to obtain any information, other than as provided by Blockchain to you pursuant to this Agreement. You may not distribute, facilitate, enable or allow access or linking to the Blockchain Content or Database from any location or source other than your Site. You shall not permit or enable third parties to copy or obtain Blockchain Content from your Site in any unauthorized manner including, but not limited to, the use of using robots, spiders, scraping or any other technology. Following expiration or termination of this Agreement, you shall not use (or facilitate use of) any alternative means such as robots, spiders, scraping or other technology to access, query, or use the Blockchain Site, Database, Content, or API Program to obtain any information. We may deprecate or terminate the availability or performance of the API at any time and for any reason.
  • 3. Restrictions and Conditions on Use. You agree that you shall not use the API Program, Database, or Blockchain Content, or permit same to be used in any manner, whether directly or indirectly, that would (i) permit the disclosure of the API Program, Database, or the Blockchain Content (other than Blockchain Content authorized by this Agreement to be Publicly Displayed as defined hereunder), to, or the use of the API Program, Database, or the Blockchain Content by, anyone other than your employees or Third Party Service Providers, or (ii) enable the API Program to be used in any location other than your Site (unless Blockchain otherwise has agreed in writing in advance). Specific Prohibitions: Notwithstanding anything contrary in this Agreement, you are specifically prohibited from doing any of the following:
    • You shall not sell, transfer, sublicense, or disclose your Key or any credentials provided by Blockchain to any third party (other than Third Party Service Providers);
    • You shall not sell, transfer, sublicense and/or assign any interest in the Blockchain Content;
    • You shall not transmit, facilitate, enable or otherwise provide the Blockchain Content or the API Program to any third parties not expressly authorized by this Agreement;
    • You shall not modify, decompile or otherwise alter the API Program;
    • You shall not engage in phishing attacks or any activity associated with malware;
    • You shall not make requests to the API that are, in our sole discretion, excessive;
    • You shall not use the API to discover undocumented calls or other functionality of the API;
    • You shall not use the API to discover private information about other users;
    • You shall not use the API to discover private information about our System;
    • You shall not circumvent or attempt to circumvent any limitations on API requests we put in place; and
    • You shall not commercialize (i.e., sell, rent, or lease), copy, store or cache the Blockchain Content, other than for the purposes allowed by this Agreement, or use or access the Database, Content or the API Program in a manner inconsistent with the terms of this Agreement.
  • 4. Certification. Your use of the Blockchain Content and participation in the API Program may be dependent upon the certification by Blockchain or an independent third party designated by Blockchain of your technology in accordance with the security and stability guidelines and the display and use of the API Program and Blockchain Content in accordance with this Agreement ("Certification"). You shall be responsible for all costs associated with Certification and any modification necessary to meet the Certification criteria. Future modifications of your Site, use or display of the Blockchain Content or API Program are subject to re-Certification. Failure by you to obtain and maintain Certification is cause for immediate termination of this Agreement.
  • 5. Display of Blockchain Content. You may only display the Blockchain Content in accordance with the following guidelines: You shall not under any circumstances display or cause another to display specific Blockchain User information in a Public Display; provided however, You may provide specific Blockchain User information to the Blockchain User for Private Display for such Blockchain User. "Public Display" is defined as the display of the Blockchain Content to anyone other than the owner, originator, creator, or developer of such content. "Private Display" is defined as the display of the Blockchain Content to a particular Blockchain User relating only to such Blockchain User's Blockchain activities;
  • 6. Prohibited Functions. Unless otherwise stated, all new Blockchain User registrations on items shall take place on the Blockchain Site and cannot be done through the API. In addition, all Blockchain User preferences, registration preferences, and privacy preferences shall be set by the Blockchain User directly on the Blockchain Site.

2. Content and Intellectual Property Licenses.

  • 1. Content and IP Ownership. Except as otherwise provided in this Agreement, as between Blockchain and You, Blockchain retains all rights, title and interest in and to all intellectual property rights (including without limitation all patent, trademark, copyright, trade dress, trade secrets, database rights and all other intellectual property rights) embodied in or associated with the API Program, Blockchain Content, Blockchain Site and any and all Blockchain services, technology and any content created or derived there from. There are no implied licenses under this Agreement, and any rights not expressly granted to you hereunder are reserved by Blockchain or its suppliers. You shall not take any action inconsistent with Blockchain's ownership of the API Program, and/or Blockchain Content. You shall not exceed the scope of the licenses granted hereunder.
  • 2. Limits on Sublicensing. All license rights (under any applicable intellectual property right) granted herein are not sublicenseable, transferable or assignable, except as otherwise provided herein.
  • 3. Uptime. Blockchain does not guarantee that the Blockchain Site or the Blockchain Content shall be available twenty-four hours a day.

3. Term and Termination.

  • 1. No Notice. Blockchain may terminate this Agreement at any time upon advance notice for any reason and without notice to you.
  • 2. Survival. The following Sections of the Agreement shall survive any termination of this Agreement: the following sections under Section 1.2 ("General License Conditions and Restrictions"), Section 1.3 ("Restrictions and Conditions of Use"), Section 2 ("Content and Intellectual Property Licenses"), Section 3.2 ("Survival"), Section 6 ("Representations and Warranties"), Section 7 ("Confidential Information"), Section 8 ("Limitation of Liability"), Section 9 ("Indemnification"), and Section 10 ("General").
  • 3. Effects of Termination. Upon termination of this Agreement, you shall no longer log in with your Key and all licenses granted hereunder shall terminate unless such licenses are expressly stated as surviving; provided further, you shall provide proof to Blockchain of the destruction of any Blockchain Content or Customer Information within three (3) days of such expiration or termination.

4. Security and Stability.

  • You acknowledge that it is in the best interests of both parties that Blockchain maintains a secure and stable environment; to that end, Blockchain reserves the right to change the method of access to the API Program, Database and/or Blockchain Content at any time. You also agree that, in the event of degradation or instability of Blockchain's system or an emergency, Blockchain may, in its sole discretion, temporarily suspend your access to the API Program, Database and/or Blockchain Content under this Agreement in order to minimize threats to and protect the operational stability and security of the Blockchain system.

5. Disclaimer of Blockchain Warranties.

  • ACCESS TO THE DATABASE AND YOUR USE OF THE API IS PROVIDED HEREUNDER ON AN "AS IS" BASIS WITHOUT WARRANTY OF ANY KIND. EXCEPT AS EXPRESSLY STATED HEREIN, BLOCKCHAIN DISCLAIMS ALL WARRANTIES AND CONDITIONS, EXPRESS, IMPLIED OR STATUTORY, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. BLOCKCHAIN DOES NOT REPRESENT OR WARRANT THAT THE BLOCKCHAIN SITE SHALL OPERATE SECURELY OR WITHOUT INTERRUPTION. You acknowledge that you have not entered into this Agreement in reliance upon any warranty or representation.

6. Representations and Warranties.

  • You represent and warrant that you shall at all times comply with all laws and regulations applicable to your products and/or services, related promotional activities and its performance under this Agreement.

7. Confidential Information.

  • 1. Confidential Information. Confidential Information Defined. Blockchain's "Confidential Information" is defined as any confidential or proprietary information which is disclosed to you in a writing marked "Confidential" or, if disclosed orally, is identified as confidential at the time of disclosure and is subsequently reduced to a writing marked "Confidential" and delivered to the other party within ten (10) days of disclosure, or disclosed through the API. The terms of this Agreement, Blockchain Content, Database, Services, Technology, the API Program, your User ID, and Customer Information (including user IDs, passwords, and any account information) shall be deemed Confidential Information regardless of whether marked "Confidential."
  • 2. Licensee Obligations. You shall hold Blockchain's Confidential Information in confidence and shall not disclose such Confidential Information to third parties nor use Blockchain's Confidential Information for any purpose other than as required to perform under this Agreement. Where Confidential Information is required to be disclosed by a court, government agency, regulatory requirement, or similar disclosure requirement, you shall immediately notify Blockchain upon learning of the existence or likely existence of such requirement and shall use reasonable efforts to avoid such disclosure and, if necessary, use reasonable efforts to obtain confidential treatment or protection by order of any disclosed Confidential Information. Notwithstanding any contrary provision in Section 15 ("Notice"), notification to Blockchain under this Section 7.2 should be provided by personal delivery on a same day. Your obligations hereunder shall survive the termination of this Agreement for a period of five (5) years.
  • 3. Return of Confidential Information Upon Termination. Upon termination of this Agreement, you shall return to Blockchain within three (3) days all Confidential Information and all documents or media containing any such Confidential Information and any and all copies or extracts thereof.
  • 4. Competitive or Similar Materials. Notwithstanding the foregoing, in no event shall Blockchain be precluded from discussing, reviewing, developing for itself, having developed, acquiring, licensing or developing for third parties, as well as marketing and/or distributing, materials which are competitive with your products and/or services (collectively, "your Products"), irrespective of their similarity to current Products or your Products that may be developed hereafter.

8. Limitation of Liability.

  • BLOCKCHAIN SHALL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOST PROFITS (HOWEVER ARISING, INCLUDING NEGLIGENCE, BREACH OF CONTRACT, BREACH OF WARRANTY, OR ANY OTHER FORM OF ACTION) ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT, EVEN IF BLOCKCHAIN IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

9. Indemnification.

  • You shall indemnify Blockchain against any and all claims, losses, liabilities, costs and expenses, including reasonable attorneys' fees (collectively, "Claims") which Blockchain may incur as a result of any third party actions arising from or relating to: (1) Your or Third Party Service Provider's use of the API Program, the Blockchain Content, Database, Services or Technology in excess of the rights granted hereunder or (2) Content, Database, Technology, or Services provided by You or others on your behalf.

10. General.

  • 1. Governing Law; Venue. This Agreement shall be construed in accordance with and governed exclusively by the laws of Luxembourg applicable to agreements made among Luxembourg residents and to be performed wholly within such jurisdiction, regardless of such parties' actual domiciles. You agree that any cause of action arising under this Agreement shall be brought exclusively in a court in Luxembourg.

11. Publicity.

  • You shall not make any public statement regarding the terms of this Agreement, any aspect thereof, or the API Program without Blockchain's prior written approval which may be withheld at its sole discretion.

12. Independent Contractors.

  • This Agreement does not create, and nothing contained in this Agreement shall be deemed to establish, a joint venture between the parties, or the relationship of employer-employee, partners, principal-agent, a fiduciary relationship or the like.

13. Assignment.

  • You may not assign rights nor delegate duties hereunder without Blockchain's prior written consent, which may be withheld at its sole discretion.

14. Severability.

  • If any provision herein is held to be invalid or unenforceable for any reason, the remaining provisions shall continue in full force without being impaired or invalidated in any way.

15. Notice.

  • Any notice under this Agreement shall be in writing and delivered by confirmed e- mail and shall be deemed given upon confirmation of receipt of e mail. Notices shall be sent to a party at its address set forth above or such other address as that party may specify in writing pursuant to this Section 15, or to the email address you provide ("Notice").

16. Entire Agreement; Waiver.

  • This Agreement sets forth the entire understanding and agreement of the parties regarding the API Program, and supersedes any and all oral or written agreements or understandings between the parties, as to the API Program, except to the extent that it incorporates Blockchain's User Agreement, Privacy and Acceptable Use Policies as described herein. The waiver of a breach of any provision of this Agreement shall not operate or be interpreted as a waiver of any other or subsequent breach.