Is an electronic signature legally binding?

Yes. Under the federal ESIGN Act (15 U.S.C. §7001) and UETA where adopted, electronic signatures are legally equivalent to handwritten signatures unless a statutory exception applies, such as wills, certain court filings, or specific consumer notices.

Do I need witness or notarization for an IO?

Generally no for marketing service IOs; most commercial contracts do not require notarization or witnesses. Certain states or transaction types may require notarization for recording or to meet statutory formality. Check applicable state rules and consult counsel for unique situations.

What authentication methods are recommended?

Use a risk-based approach: email verification for low-risk IOs, SMS or knowledge-based authentication for medium risk, and stronger multi-factor or identity-proofing for high-value campaigns. Maintain an audit trail capturing IP, timestamp, and signer attribution to support enforceability.

Can consumer-facing records require specific disclosures?

Yes. Consumer-facing financial or healthcare records require an ESIGN consumer disclosure confirming the consumer's consent to electronic records, demonstrating access capability, and describing how to withdraw consent per 15 U.S.C. §7001(c).

How should executed IOs be stored?

Store signed IOs in a secure, access-controlled repository with tamper-evident copies and audit logs. Retain records according to tax and industry retention rules, such as IRC §6501(a) for tax records and 45 CFR §164.530(j) for HIPAA-covered records.

What if a field is entered incorrectly?

Minor data entry errors may be corrected by an amendment signed by authorized parties. Significant errors affecting identity, tax reporting, or price should follow formal amendment procedures and may require corrected invoices or revised 1099 filings to avoid penalties.

Electronic Signature
Templates
Miscellaneous
Marketing Services Klaviyo IO

Marketing Services Klaviyo IO

This template is fully customizable. Edit the text, fill out the fields, and send it for signature. Give it a try!

Marketing Services Klaviyo IO

Parties

Client Name:

Client Address Client Contact (Name & Email/Phone)

Service Provider Name:

Provider Address Provider Contact (Name & Email/Phone)

Recitals

WHEREAS, Client desires to retain Provider to perform marketing services specifically focused on Klaviyo account configuration, email and automation strategy, campaign execution, list segmentation, template production, and analytics support; and

WHEREAS, Provider possesses the technical expertise, personnel, and systems required to perform such services and is willing to provide those services to Client pursuant to the terms and conditions set forth in this Agreement effective as of (the Effective Date).

WHEREAS, the parties intend for the services to be documented through this Marketing Services Klaviyo IO and any appended schedules describing deliverables, timelines, and fees.

Scope of Work

Provider shall perform the marketing services described below and in any attached statements of work. Provider will exercise commercially reasonable efforts, in accordance with industry standards, to deliver the stated services and deliverables.

Detailed Scope of Work and Deliverables Milestones and Acceptance

Payment Terms

Client shall pay Provider the fees set forth below in USD for the services and deliverables performed under this Agreement. Any amounts not paid when due shall accrue interest as provided below.

Total Project Fee Payment Schedule Expenses Late Payment Fee

Late fee applied to any invoice unpaid more than days: (flat) or % per month, at Provider's election.

Term and Termination

This Agreement commences on and, unless earlier terminated in accordance with this Section, shall expire on .

Termination Notice Period Termination for Cause

Confidentiality

Each party shall treat as confidential all non-public information disclosed by the other party that is designated as confidential or that reasonably should be understood to be confidential given the nature of the information and the circumstances of disclosure ("Confidential Information"). Confidential Information includes customer lists, Klaviyo account credentials, email templates, contact segments, analytics reports, pricing, and business plans.

The receiving party shall not disclose Confidential Information to any third party except to personnel and contractors who have a need to know and who are bound by confidentiality obligations at least as protective as those herein. The receiving party shall use Confidential Information only for the performance of this Agreement. Upon termination, the receiving party shall, at disclosing party's election, return or destroy Confidential Information and certify in writing that it has complied.

Data Handling and Deletion Instructions

Intellectual Property

Unless otherwise agreed in writing, Client owns final creative deliverables produced specifically for Client and paid in full under this Agreement. Provider retains ownership of Provider's pre-existing tools, templates, methodologies, and creative materials not developed exclusively for Client. Provider hereby grants Client a non-exclusive, non-transferable license to use Provider-owned materials incorporated into deliverables solely for Client's internal marketing purposes.

Exceptions or Special IP Terms

Compliance; Representations

Provider represents that it will perform services in compliance with applicable laws and regulations relating to electronic communications, marketing, and data protection. Client represents that it has the right to provide the contact lists and content used in campaigns and that such use will not violate third-party rights or applicable law.

Limitation of Liability; Indemnification

Except for liability arising from willful misconduct or breach of Confidentiality, neither party shall be liable to the other for consequential, incidental, special, or punitive damages. Provider's aggregate liability under this Agreement shall not exceed the total fees paid by Client to Provider in the six (6) months preceding the claim. Client shall indemnify and hold Provider harmless from third-party claims arising from Client-provided content or Client's use of campaigns in a manner not authorized by Provider.

Governing Law

This Agreement shall be governed by and construed in accordance with the laws of , without regard to its conflicts of law principles. The parties consent to the exclusive jurisdiction of the state and federal courts located within that state for disputes arising under this Agreement.

Entire Agreement; Amendments

This Agreement, including any attached statements of work and schedules, constitutes the entire agreement between the parties with respect to the subject matter and supersedes all prior and contemporaneous agreements and understandings. Any amendment or modification must be in writing and signed by authorized representatives of both parties.

Miscellaneous

If any provision of this Agreement is held invalid or unenforceable, the remaining provisions shall remain in full force and effect. Neither party may assign this Agreement without the prior written consent of the other, except to a successor in interest by merger or sale of substantially all assets.

Additional Terms or Notes

Client

Printed Name:

By:

Date:

Service Provider

Printed Name:

By:

Date:

What the Marketing Services Klaviyo IO Is

Marketing Services Klaviyo IO is a written insertion order used to define paid marketing services executed through Klaviyo, including campaign scope, deliverables, budget, and payment terms. The document records campaign start and end dates, audience and list management responsibilities, intellectual property assignments for creative assets, tracking and attribution expectations, and any third-party integrations required to deliver email or SMS campaigns. It also clarifies billing cadence, refund or credit policies, and termination triggers. When paired with a master services agreement, the IO specifies operational details needed to run compliant, auditable marketing programs.

Why a Clear IO Matters for Klaviyo Campaigns

Use a Marketing Services Klaviyo IO to document campaign expectations, allocate budget, and set measurable deliverables. A clear IO reduces disputes about scope, enables accurate billing and reconciliation, and provides an auditable record for regulatory or tax review.

Who typically prepares and signs this IO

Teams and vendors who execute Klaviyo campaigns use the IO to align responsibilities, timing, and payment terms before work begins.

Marketing managers coordinating email and SMS campaigns across channels and internal stakeholders.
Agencies or consultants providing creative, list management, or segmentation services to clients.
Finance or procurement teams that approve budgets and verify invoicing against IO terms.

Use the IO alongside a master services agreement or statement of work to ensure legal and operational clarity.

Essential elements to include in a professional IO

A professional Marketing Services Klaviyo IO should include clearly defined scope, measurable KPIs, billing terms, data handling rules, approval workflows, and signature blocks.

Scope

Precisely list campaign deliverables, channel specifics, audience criteria, creative responsibilities, and any excluded services to avoid scope creep and reporting expectations.

KPIs

Define measurable goals such as open rate, click-through rate, conversion rate, revenue per recipient, and reporting cadence to align performance measurement and payment triggers.

Billing

Specify unit rates, payment milestones, accepted payment methods, late fee terms, currency, and invoicing contact to prevent disputes and support reconciliation and tax handling where applicable.

Data Use

Describe permitted uses of customer lists and segmentation, data retention, consent obligations, suppression lists, and requirements for HIPAA or other data protections if healthcare data is involved.

Approvals

Document review steps, approvers' names, expected turnaround times for approvals, and escalation paths for missed deadlines and quality control checklists for creative assets.

Signatures

Include signature lines for authorized parties, date fields, and a statement confirming authority to bind entities; note whether electronic signatures are acceptable under ESIGN and applicable state law.

Step-by-step: completing and recording the IO

Follow these steps to complete and record a Marketing Services Klaviyo IO accurately and efficiently.

01

Prepare Scope: Document deliverables, channels, audiences, and acceptance criteria.
02

Confirm Budget: Agree on fees, milestones, and invoicing schedule.
03

Assign Owners: List contacts for creative, list management, and finance.
04

Sign & Archive: Obtain authorized signatures and store final IO securely.

Typical routing from draft to archive

This process shows common routing from IO creation through approval, execution, and archiving for audit purposes.

Draft IO: Upload template and populate fields with campaign details.
Internal Review: Finance and legal verify budget and terms.
Client Approval: Client signs electronically; consent documented per ESIGN.
Execution: Teams perform work; track metrics and reconcile billing.

Integrations and file formats to plan for

Common integrations and file formats support automated routing and archival of executed IOs across CRM, ERP, and cloud storage platforms.

Integrations: Salesforce, NetSuite, Google Workspace supported.
File formats: PDF, DOCX, HTML, Excel accepted.
Authentication: Email, SMS, or advanced KBA options.

Security and compliance summary

Encryption in transit: TLS 1.2 and 1.3 in transit

Encryption at rest: AES-256 encrypted storage and key management

Security certifications: SOC 2 Type II, ISO 27001, PCI DSS

HIPAA compliance: BAA available for covered entities

ESIGN and UETA: Compliant with federal and most state laws

WCAG compliance: WCAG 2.0 Level AA support

eSignature vendor comparison for IO execution

Compare common eSignature plan attributes and vendor pricing to select an appropriate signing solution for processing Marketing Services Klaviyo IOs.

	signNow	DocuSign	Adobe Sign	PandaDoc	HelloSign
Starting Price	$8/user/mo	$15/user/mo	$14/user/mo	$19/user/mo	$15/user/mo
Free Trial	7-day free trial	Varies	Varies	Varies	Varies
Bulk Send	Yes	Yes	Yes	Yes	No
Audit Trail	Yes	Yes	Yes	Yes	Yes
HIPAA Compliant	Yes	Yes	Yes	Varies	Varies

How organizations use an IO in practice

Real implementations show how an IO clarifies scope, speeds approval, and reduces billing friction across teams.

Optica Ventures — Brian Fitzgibbons

Optica Ventures used a standardized IO combined with electronic signatures to speed approvals and reduce back-and-forth between sales and operations.

Interface simplicity improved customer experience.
As a result, the firm cut approval cycle times, improved on-time campaign launches, and reduced manual corrections to invoices; these operational gains simplified reconciliation and delivered clearer accountability across teams without introducing extra administrative overhead.

Xerox — Kodi-Marie Evans

Xerox integrated the IO with NetSuite and signNow to automate signature capture and store executed IOs alongside billing records.

Integration reduced manual entry and reconciliation.
This reduced invoice disputes and shortened the time between campaign delivery and payment processing, while maintaining audit-ready records for finance and compliance teams; the integration also supported role-based access to executed documents.

Key risks and potential consequences

Scope disputes: Unexpected costs and delays

Incorrect billing: Payment holds and audits

Missing TIN: Backup withholding at 24%

Contract breach: Damages, termination risk

Data noncompliance: HIPAA fines or penalties

Late filing: Statutory penalties per IRC

Common errors to avoid when preparing an IO

Failing to define deliverables precisely leads to scope creep, unpaid work, and disputes that require contract amendments or credit notes.
Using inconsistent naming for clients or payees can delay invoicing and trigger backup withholding or corrected 1099 filings.
Omitting consumer consent language when required by ESIGN for consumer-facing records can invalidate electronic consent or require paper alternatives.
Failing to record approvals, version history, and audit trails prevents proving signature attribution and can hinder compliance reviews.

Frequently asked questions about execution and validity

Frequently asked questions cover signature validity, authentication, archiving, corrections, and integration points for electronic execution of Marketing Services Klaviyo IOs.

Need help? Contact support

Is an electronic signature legally binding?
Yes. Under the federal ESIGN Act (15 U.S.C. §7001) and UETA where adopted, electronic signatures are legally equivalent to handwritten signatures unless a statutory exception applies, such as wills, certain court filings, or specific consumer notices.
Do I need witness or notarization for an IO?
Generally no for marketing service IOs; most commercial contracts do not require notarization or witnesses. Certain states or transaction types may require notarization for recording or to meet statutory formality. Check applicable state rules and consult counsel for unique situations.
What authentication methods are recommended?
Use a risk-based approach: email verification for low-risk IOs, SMS or knowledge-based authentication for medium risk, and stronger multi-factor or identity-proofing for high-value campaigns. Maintain an audit trail capturing IP, timestamp, and signer attribution to support enforceability.
Can consumer-facing records require specific disclosures?
Yes. Consumer-facing financial or healthcare records require an ESIGN consumer disclosure confirming the consumer's consent to electronic records, demonstrating access capability, and describing how to withdraw consent per 15 U.S.C. §7001(c).
How should executed IOs be stored?
Store signed IOs in a secure, access-controlled repository with tamper-evident copies and audit logs. Retain records according to tax and industry retention rules, such as IRC §6501(a) for tax records and 45 CFR §164.530(j) for HIPAA-covered records.
What if a field is entered incorrectly?
Minor data entry errors may be corrected by an amendment signed by authorized parties. Significant errors affecting identity, tax reporting, or price should follow formal amendment procedures and may require corrected invoices or revised 1099 filings to avoid penalties.

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