Last updated: May 4, 2026

These Terms of Use ("Terms") govern your use of canidonateplasma.com and all related services (the "Service") operated by Liters Inc. The Service is branded and referenced throughout as both "Can I Donate Plasma" and "Can I Donate" — both names refer to the same product operated by Liters Inc. as part of the Straw ecosystem.

By accessing or using the Service, you agree to be bound by these Terms. If you do not agree to these Terms, do not use the Service.

Scope and Jurisdiction

This Service applies only to plasma donation eligibility within the United States.

All eligibility checks, deferral interpretations, medication queries, and educational content provided through the Service are based on United States federal regulations (FDA), industry standards (PPTA), state-level health regulations, and US plasma center policies. The Service does not provide eligibility information for any country other than the United States.

If you live outside the United States, this Service is not built for your jurisdiction and you should not rely on any answer, guidance, or interpretation provided here for plasma donation in your country.

The Service is accessible globally, but the information delivered is US-only. We may expand support to additional countries in the future. When that happens these Terms will be updated to clearly indicate which jurisdictions are supported.

1. About Us

The Service is operated by:

Liters Inc. 30 North Gould St STE N Sheridan, WY 82801 United States

Contact: info@liters.xyz

Liters Inc. is a Wyoming Closed Corporation. Can I Donate Plasma (also known as Can I Donate) is part of the Straw ecosystem, which includes the Straw app at straw.community, plasmadonationtax.com, and other related services owned and operated by Liters Inc.

2. What the Service Provides

Can I Donate Plasma is a free tool for plasma donors to:

Check eligibility to donate plasma based on age, weight, recent travel, recent tattoos, vaccination history, surgical history, and other relevant factors
Understand the meaning of plasma donation deferrals and what to do before the next attempt
Look up medication-specific eligibility information
Ask free-text follow-up questions about complex personal situations through an AI-powered system
Track deferrals over time and identify patterns (for account holders)
Schedule eligibility reminders for temporary deferrals (for account holders)
Save inquiry history for future reference (for account holders)
Access educational content about plasma donation eligibility, deferrals, and related topics

The Service is provided free of charge.

3. Critical Disclaimer — Not Medical Advice

The Service does not provide medical advice. The Service does not qualify you to donate plasma. Final eligibility to donate plasma is determined by center medical personnel at your donation center.

This Service provides educational and illustrative information based on:

US Food and Drug Administration (FDA) regulations
Plasma Protein Therapeutics Association (PPTA) industry standards
State-level health department regulations
Published plasma center policies

This information is general in nature and may not reflect:

The specific policies of your individual donation center, which may be stricter than federal or industry standards
Recent changes to regulations or guidelines that have not yet been indexed by our sources
Your individual medical history, current health status, or personal medical circumstances
Factors that only a qualified medical professional can evaluate

Do not rely on this Service as a substitute for:

Professional medical advice from your physician or healthcare provider
Eligibility determination by center medical personnel at your donation center
Direct consultation with your plasma center about their specific policies

Your responsibilities when using this Service:

Consult your physician or healthcare provider for any medical questions, including questions about whether plasma donation is appropriate for your individual health
Verify eligibility directly with your donation center before relying on any answer from this Service
Use this Service as one informational input among others, not as the final determinant of any health-related decision
Recognize that center medical personnel are qualified to evaluate factors this Service cannot

The Service and Liters Inc. are not responsible for any decisions you make based on the information provided. We provide information; you and your healthcare providers make decisions.

4. Eligibility and Accounts

You must be at least 18 years of age to use the Service. By creating an account you represent and warrant that you are at least 18 years old and legally capable of entering into a binding agreement.

Account creation requires:

A valid email address
A display name (optional, only required if displayed publicly)
State of residence (optional)

You are responsible for:

Maintaining the accuracy of your account information
Keeping your email account secure (since magic link authentication relies on email access)
All activity that occurs under your account
Promptly notifying us of any unauthorized use or security breach involving your account

We reserve the right to suspend or terminate any account that violates these Terms, engages in fraudulent or abusive behavior, or poses a risk to the Service or its users.

5. Your Content and Ownership

The eligibility check inputs, deferral entries, medication queries, free-text questions, and any other information you submit to the Service are your content. You retain ownership of your content.

By submitting content to the Service, you grant Liters Inc. a limited, non-exclusive, royalty-free license to:

Store, process, and display your content as needed to provide the Service to you
Process your content through our AI integrations (Anthropic Claude and Perplexity) to generate answers
Use aggregated and de-identified versions of your content to improve the Service, including AI training and product development

This license is limited to operating and improving the Service. We do not claim broader rights over your content.

Your individual identifiable content is not used for AI training without your explicit consent. If we ever wish to use identifiable user content for training purposes, we will request opt-in consent from you in your account settings before doing so.

You may delete your account at any time as described in our Privacy Policy, which removes your content from our active systems within 30 days and from backups within 90 days.

6. Acceptable Use of the Service

You agree to use the Service only for its intended purpose: obtaining educational and illustrative information about plasma donation eligibility in the United States.

You agree not to:

Use the Service for any unlawful purpose or in violation of any applicable laws
Submit content that is fraudulent, false, or intended to deceive
Submit content that is unrelated to plasma donation eligibility (the Service is purpose-built and queries outside its scope may be refused or limited)
Submit content seeking specific medical advice, prescription recommendations, or dosing guidance
Attempt to access accounts, data, or areas of the Service that are not authorized to you
Interfere with or disrupt the Service, including by submitting malicious code, automated queries at abusive rates, or denial of service attempts
Scrape, harvest, or copy Service content for commercial purposes without written permission
Impersonate any person or entity or misrepresent your affiliation with any person or entity
Use the Service to harass, threaten, or harm others
Reverse engineer, decompile, or attempt to extract the source code of the Service
Remove or alter any proprietary notices, disclaimers, or branding on the Service
Use the Service to compete with Liters Inc. or the Straw ecosystem

Liters reserves the right to refuse to process or display content that:

Violates these Terms
Falls outside the context of plasma donation eligibility (the purpose-specific scope of the Service)
Requests medical advice, prescription guidance, or other information beyond the Service's intended scope
Contains unlawful, threatening, harassing, or otherwise objectionable material
Could reasonably create legal liability for Liters

The AI-powered features (free-text questions and medication queries) are designed to politely refuse and redirect requests outside the Service's scope. This refusal mechanism is part of the Service.

7. Accuracy of Information

The Service synthesizes information from authoritative sources (FDA, PPTA, state regulations, published chain policies) using AI integrations (Anthropic Claude and Perplexity). We make reasonable efforts to ensure information is current and accurate.

The Service does not:

Access live data from individual plasma centers
Have direct knowledge of unpublished chain policies or recent policy changes not yet indexed online
Account for individual medical circumstances that only a healthcare provider or center medical personnel can evaluate
Guarantee that information matches the specific eligibility determination you would receive at your donation center

You acknowledge that:

Information may be incomplete or outdated
AI-generated answers, while grounded in cited sources, may contain errors
Eligibility rules vary by center, chain, and state in ways the Service may not fully capture
Final eligibility is always determined by center medical personnel, not by this Service

You agree not to rely on this Service as a substitute for direct verification with your donation center and consultation with your healthcare provider.

8. Account Deactivation and Deletion

You may deactivate your account at any time through your account settings. Deactivation is reversible within 90 days by logging back in. After 90 days, deactivated accounts are automatically marked for permanent deletion.

You may permanently delete your account at any time through:

In-app deletion via your account settings (immediate, irreversible)
Email-based deletion request to info@liters.xyz from your registered email address

Permanent deletion is processed within 30 days for active systems and 90 days for backups, as described in our Privacy Policy.

9. Intellectual Property

The Service, including its design, code, content, branding, and features, is owned by Liters Inc. and protected by United States and international copyright, trademark, and other intellectual property laws.

"Can I Donate Plasma," "Can I Donate," "Straw," and related logos and branding are trademarks of Liters Inc. You may not use these marks without prior written permission except as required to identify the Service.

Educational content, mini lessons, and original written materials on the Service are copyrighted by Liters Inc. You may view and share individual lessons for personal, non-commercial use but may not republish, modify, or redistribute them for commercial purposes.

AI-generated answers based on your queries are provided to you for personal use. You may save, download, or share specific answers for personal informational purposes.

10. Third-Party Links and Services

The Service contains links to third-party websites including straw.community, plasmadonationtax.com, the FDA, PPTA, state health departments, plasma center websites, and other educational resources.

We do not control and are not responsible for the content, privacy practices, or terms of third-party sites. Your use of third-party sites is at your own risk and subject to their terms and policies.

11. Communications from Us

By creating an account you consent to receive the following emails:

Magic link authentication emails when you log in (essential to the Service)
Scheduled eligibility reminder emails (only if you opt in by scheduling a reminder)
Welcome email sequence over your first seven days
Saved result emails (only when you choose to save a specific answer)
Important service announcements including changes to these Terms, the Privacy Policy, or the Service itself

You may unsubscribe from non-essential communications at any time through your account settings or by clicking unsubscribe in any email.

12. Availability and Changes to the Service

We make reasonable efforts to keep the Service available and functional but we do not guarantee uninterrupted access. The Service may be temporarily unavailable due to:

Scheduled maintenance
Technical issues
Third-party service disruptions (AI providers, email providers, hosting, databases)
Circumstances beyond our control

We reserve the right to modify, add, or remove features of the Service at any time. We will notify you of material changes that affect your use of the Service. Continued use after changes constitutes acceptance of the modified Service.

We reserve the right to discontinue the Service at any time with reasonable notice to active users.

13. Disclaimer of Warranties

THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT, OR ACCURACY OF INFORMATION.

LITERS INC. DOES NOT WARRANT THAT:

THE SERVICE WILL MEET YOUR REQUIREMENTS
THE SERVICE WILL BE UNINTERRUPTED, SECURE, OR ERROR-FREE
ELIGIBILITY ANSWERS, DEFERRAL INTERPRETATIONS, OR MEDICATION GUIDANCE WILL BE ACCURATE OR COMPLETE
AI-GENERATED RESPONSES WILL BE FREE OF ERRORS OR INACCURACIES
INFORMATION WILL REFLECT THE CURRENT POLICIES OF YOUR SPECIFIC DONATION CENTER
DEFECTS WILL BE CORRECTED
THE SERVICE OR SERVERS ARE FREE OF VIRUSES OR HARMFUL COMPONENTS

YOU USE THE SERVICE AT YOUR OWN RISK. NO ADVICE OR INFORMATION OBTAINED THROUGH THE SERVICE CREATES ANY WARRANTY NOT EXPRESSLY STATED IN THESE TERMS.

14. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, LITERS INC. AND ITS OFFICERS, DIRECTORS, EMPLOYEES, AND AGENTS SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, INCLUDING BUT NOT LIMITED TO:

HEALTH OUTCOMES RELATED TO PLASMA DONATION DECISIONS MADE BASED ON SERVICE INFORMATION
DEFERRALS, REJECTIONS, OR ELIGIBILITY DETERMINATIONS AT YOUR DONATION CENTER
LOST INCOME RELATED TO PLASMA DONATION DECISIONS
LOSS OF DATA, INCOME, OR OPPORTUNITY
DAMAGES RESULTING FROM UNAUTHORIZED ACCESS TO YOUR ACCOUNT
DAMAGES RESULTING FROM SERVICE INTERRUPTIONS OR UNAVAILABILITY
DAMAGES ARISING FROM ERRORS, OMISSIONS, OR INACCURACIES IN AI-GENERATED RESPONSES OR EDUCATIONAL CONTENT

OUR TOTAL AGGREGATE LIABILITY FOR ALL CLAIMS RELATING TO THE SERVICE SHALL NOT EXCEED ONE HUNDRED UNITED STATES DOLLARS ($100). BECAUSE THE SERVICE IS FREE, THIS LIMIT IS $100.

SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION OR LIMITATION OF CERTAIN DAMAGES, SO SOME OF THESE LIMITATIONS MAY NOT APPLY TO YOU.

15. Indemnification

You agree to indemnify, defend, and hold harmless Liters Inc. and its officers, directors, employees, and agents from any claims, damages, losses, liabilities, costs, and expenses (including reasonable attorneys' fees) arising from:

Your use or misuse of the Service
Your violation of these Terms
Your violation of any rights of another party
Decisions you make based on Service information
Health outcomes related to plasma donation decisions you make based on Service information
Disputes with your donation center, healthcare provider, or other third parties related to plasma donation

16. Governing Law and Dispute Resolution

These Terms are governed by the laws of the State of Wyoming, United States, without regard to conflict of law principles.

Informal resolution: Before filing any formal claim, you agree to attempt to resolve the dispute by contacting us at info@liters.xyz. We will make a good faith effort to resolve the issue within 30 days.

Binding arbitration: Any dispute not resolved informally shall be resolved by binding arbitration administered by the American Arbitration Association under its Consumer Arbitration Rules. Arbitration shall take place in Sheridan, Wyoming or by remote proceedings. Judgment on the award may be entered in any court of competent jurisdiction.

Class action waiver: You agree that disputes will be resolved on an individual basis and not as part of any class, collective, or representative action.

Exceptions: Either party may seek injunctive or equitable relief in court to protect intellectual property rights or prevent unauthorized access to the Service.

17. Changes to These Terms

We may update these Terms from time to time. When we make material changes we will:

Update the "Last updated" date at the top of these Terms
Notify active users by email of material changes
Display a notice on the Service before changes take effect

Continued use of the Service after changes take effect constitutes acceptance of the updated Terms. If you do not agree to changes, your only remedy is to stop using the Service and delete your account.

18. Termination

You may stop using the Service and delete your account at any time as described in Section 8.

We may suspend or terminate your account at any time, with or without notice, for:

Violation of these Terms
Fraudulent, abusive, or illegal activity
Content submitted that falls outside the Service's intended scope
Risk to other users or the Service
Extended inactivity (24+ months with no login)
Any reason permitted by law

Upon termination, your right to use the Service ends immediately. Sections of these Terms that by their nature should survive termination — including Intellectual Property, Limitation of Liability, Indemnification, Governing Law, and Dispute Resolution — survive termination.

19. Miscellaneous

Entire agreement: These Terms, together with the Privacy Policy and the Disclaimer page, constitute the entire agreement between you and Liters Inc. regarding the Service.

Severability: If any provision of these Terms is found to be unenforceable, the remaining provisions remain in full effect.

No waiver: Our failure to enforce any provision does not waive our right to enforce it later.

Assignment: You may not assign or transfer your rights under these Terms. We may assign our rights in connection with a merger, acquisition, or sale of assets.

No third-party beneficiaries: These Terms do not create any rights for third parties.

Contact for legal notices:

Liters Inc. 30 North Gould St STE N Sheridan, WY 82801 United States Email: info@liters.xyz

Can I Donate Plasma (also known as Can I Donate) is part of the Straw ecosystem, owned and operated by Liters Inc. Learn more at straw.community.

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