Effective Date: February 26, 2026
By accessing or using Endprompt's API platform (the "Service"), you agree to be bound by these Terms of Service ("Terms"). If you do not agree, you must not use the Service.
The Service is operated by Sopro LLC. Operational management and decision-making occur in the United Kingdom.
Endprompt provides an API platform enabling access to versioned and observable large language model (LLM) endpoints using customer-supplied API credentials.
We provide infrastructure, routing, monitoring, and related tooling. We do not provide or operate foundation models unless expressly agreed in writing.
You must create an account to use the Service and provide accurate information.
You are responsible for:
You must be at least 18 years old and legally capable of entering into binding agreements.
You are solely responsible for all data, prompts, instructions, and materials submitted through the Service ("Customer Content").
You represent and warrant that:
You provide your own API credentials for third-party model providers. All charges imposed by such providers are your sole responsibility.
Endprompt may display estimated usage metrics, projected costs, or pricing information based on publicly available pricing or usage calculations. Such information is indicative only and provided for convenience.
Actual charges imposed by third-party model providers may differ due to factors outside our control.
Endprompt does not control, cap, or assume liability for third-party model fees and is not responsible for excessive charges, usage spikes, billing errors, or discrepancies between displayed estimates and actual charges.
You are solely responsible for monitoring and managing usage under your model provider accounts.
You may use the Service only for lawful purposes.
You must not:
We may suspend or terminate access for violations.
The Service and all related software and materials are owned by us and protected by law. We grant you a limited, non-exclusive, non-transferable license to use the Service for internal business purposes.
You retain ownership of Customer Content. You grant us a limited license to process it solely to provide the Service.
Outputs are generated algorithmically by third-party models. We make no representation regarding ownership, originality, or non-infringement of outputs.
The Service is provided on a monthly or annual subscription basis, as selected by you. Fees are billed in advance and are non-refundable except as required by law.
We may change pricing upon reasonable notice, effective at the start of your next billing cycle. Failure to pay fees may result in suspension or termination.
Termination does not entitle you to any refund of prepaid fees.
You are responsible for all applicable taxes.
THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE."
WE DO NOT WARRANT THAT:
AI-generated outputs may be inaccurate, biased, offensive, or unpredictable. You are solely responsible for reviewing and validating outputs before use.
We are not responsible for the acts, omissions, performance, security, or availability of third-party model providers or infrastructure providers.
To the maximum extent permitted by law:
We shall not be liable for any indirect, incidental, consequential, special, or punitive damages, including loss of profits, revenue, data, goodwill, or business interruption.
Our total aggregate liability shall not exceed the total fees paid by you in the twelve (12) months preceding the claim.
Nothing limits liability for death or personal injury caused by negligence, fraud, or any liability that cannot be excluded by law.
You agree to indemnify and hold harmless Sopro LLC and its affiliates from any claims, damages, losses, liabilities, and expenses (including legal fees) arising out of or related to:
This obligation survives termination.
We may suspend or terminate access if:
You may terminate at any time.
Upon termination:
Data processing and cross-border transfers are governed by our Privacy Policy.
When processing Customer Content on your behalf, we act as a data processor.
We are not liable for delays or failures caused by events beyond our reasonable control, including infrastructure failures, third-party provider outages, governmental actions, sanctions, or other force majeure events.
These Terms are governed by the laws of England and Wales.
The courts of England and Wales have exclusive jurisdiction over disputes arising from these Terms.
These Terms constitute the entire agreement between you and us regarding the Service.
If any provision is unenforceable, the remaining provisions remain in effect.
You may not assign these Terms without our consent. We may assign them without restriction.