All Pro-tier http4k modules are licensed under the following commercial license.

The http4k Commercial License (the “Commercial License”)

1. Definitions

“Software” means the http4k software and associated documentation files.

“Commercial Terms” means the http4k Commercial Subscription Terms of Service available at https://http4k.org/commercial-terms.

“Subscription Tier” means the specific commercial subscription offering as defined in the Commercial Terms.

“Host” means each individual machine (real or virtual, including servers, containers, workstations, smartphones, POS, industrial controls, gateways, sensors, IoT endpoints, or any other physical or simulated computing interface or machine) of Customer and/or its Affiliates (including, without limitation, employees, agents or consultants thereof) with access to Licensed Materials hereunder; provided that, for development purposes only, a Host license shall operate as a floating developer license that permits installation of the Licensed Materials on any number of Developer Workstations, provided that the Licensed Materials may only be accessed and used by one unnamed developer at a time per license.

“Proprietary Components” means all portions of the Software not released under Apache 2 license.

“License Term” means the period of time for which a subscription is valid.

“Derivative Works” means any software that incorporates, extends, or modifies the Software.

2. License Grant and Restrictions

2.1 License Types and Conditions This Software is governed by this Commercial License. The Software may be used under one of the following conditions:

a) Commercial Usage:

Have a valid subscription (paid or free) obtained through http4k’s official channels
Have agreed to and are in compliance with the Commercial Terms
Maintain the correct number of Host licenses for your usage
Comply with all subscription requirements as specified by http4k Ltd

b) Non-Commercial Usage:

Use is strictly for non-commercial purposes (including personal projects, academic research, education, and non-profit organizations)
Attribution is provided to http4k Ltd in any resulting work or publication

Subject to the foregoing conditions, you are permitted to:

Use the Software’s development tools and tooling modules
Modify the Software and publish patches to the Software
Copy and modify the Software for development and testing purposes
Access security patches, bug fixes, and updates through private repositories as per your subscription tier or license type

All modifications, patches, and derivatives remain the property of http4k Ltd and/or its licensors. Such modifications may only be used, copied, modified, displayed, distributed, or otherwise exploited in accordance with your applicable license type.

2.2 Development and Testing For development purposes only, a Host license shall operate as a floating developer license that permits installation of the Software on any number of Developer Workstations, provided that the Software may only be accessed and used by one unnamed developer at a time per license.

2.3 Copying and Modification You may:

Copy and modify the Software for your own use in accordance with your license type
Create derivative works based on the Software
Distribute such modifications or derivative works, provided that: a) They are distributed only to users who have a valid license b) They clearly indicate they are modified versions of http4k Software c) You include a copy of this license and attribution to http4k Ltd d) The modifications are made available under the same terms as this license

You may not:

Remove or modify any copyright, trademark or attribution notices
Use http4k trademarks without written permission
Redistribute the original Software or modifications thereof as standalone products competing with http4k

2.4 License Validation and Access Control

The commercially licensed components include protected source code and technical measures that control access
You are responsible for maintaining valid license keys or access tokens provided by http4k Ltd
You may not share, publish, distribute, or expose license keys or protected source code to unauthorized users
You must ensure your usage complies with the license grant for your subscription tier

2.5 Prohibited Activities

You may not, with respect to the Proprietary Components, directly or indirectly:

Create commercial products that: a) Replicate or repackage any functionality of the Proprietary Components b) Are designed to circumvent the need for commercial licensing c) Provide commercial alternatives to licensed features
Resell, relicense, or redistribute commercially licensed components except as explicitly permitted
Use commercially licensed components in a way that exceeds your license grant
Publish benchmarks or comparative analysis without written permission of http4k Ltd
Automate access to, or create automated variants of, the Software

The above restrictions do not apply to http4k components released under the Apache 2 license.

2.6 Access to Protected Components

Access to protected source code and binary distributions is provided through designated private repositories
Your rights to access these repositories are determined by your subscription tier
You may not redistribute protected source code or binaries except as explicitly permitted
You must maintain the confidentiality of protected source code and repository access credentials

3. Term and Termination

3.1. This license is effective until terminated.

3.2. Your rights under this license will terminate automatically if you fail to comply with its terms.

3.3. Upon termination:

All rights granted under this license cease immediately
You must cease all use of the Software
You must destroy all copies of the Software in your possession

4. Support and Updates

Support and updates are provided according to your Subscription Tier as specified in the Commercial Terms.

5. Compliance and Auditing

5.1. You agree to maintain accurate records regarding your use of the Software.

5.2. http4k Ltd reserves the right to audit your use of the Software upon reasonable notice.

5.3. You agree to cooperate with http4k Ltd in such audits and provide reasonable access to records relating to Software use.

6. Payment Terms

6.1. License fees shall be paid in accordance with the Commercial Terms.

6.2. Failure to pay required fees constitutes grounds for license termination.

7. Export Compliance

Use and distribution of the Software may be subject to export and import laws. You agree to comply with all applicable export and import laws and regulations.

8. Apache License Exclusion

This Commercial License applies only to the part of this Software that is not distributed under the Apache2 license.

9. Warranty Disclaimer

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

10. Third Party Components

For all third party components incorporated into the http4k Software, those components are licensed under the original license provided by the owner of the applicable component.

11. Assignment

You may not assign or transfer your rights and obligations under this License without prior written consent from http4k Ltd. http4k Ltd may assign its rights to any successor in interest to the Software.

12. Severability

If any provision of this License is held to be unenforceable or invalid, that provision will be enforced to the maximum extent possible and the other provisions will remain in full force and effect.

All copies or substantial portions of the Software shall include a reference to this Commercial License and the Commercial Terms.