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E-commerce Upgrade Agreement

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E-commerce Upgrade Agreement

This E-commerce Upgrade Agreement (the Agreement) is made and entered into as of Effective Date: by and between Service Provider: and Client: .

RECITALS

WHEREAS, Client operates an existing e-commerce website and desires specific upgrades, enhancements, and integrations to improve functionality, user experience, security, and payment processing;

WHEREAS, Service Provider has the technical experience and capability to perform the upgrade services described below and is willing to provide such services to Client on the terms and conditions set forth in this Agreement; and

WHEREAS, the parties wish to set forth their respective rights and obligations with respect to the upgrades, deliverables, schedule and payment for the work to be performed.

SCOPE OF WORK

Service Provider shall perform the services (the Services) described below. The Services include design, development, testing, deployment, and post-deployment verification necessary to upgrade Client's e-commerce platform in accordance with the specifications agreed by the parties.

Core upgrade components (select all that apply):

Front-end redesign & performance optimization
Back-end architecture & API integration
Payment gateway integration and PCI compliance assistance
Security hardening, SSL, and intrusion protection
Data migration and catalog transfer

PAYMENT TERMS

Client shall pay Service Provider for the Services as follows:

Late payments shall incur a late fee calculated as:

TERM AND TERMINATION

This Agreement commences on Start Date: and continues until End Date: unless earlier terminated in accordance with this Section.

Either party may terminate this Agreement for convenience upon written notice of days to the other party.

In the event of material breach, the non-breaching party may terminate if the breaching party fails to cure within days after receipt of written notice specifying the breach.

CONFIDENTIALITY

For purposes of this Agreement, Confidential Information means any oral, written or electronic information disclosed by one party to the other that is designated as confidential or that reasonably should be understood to be confidential given its nature and the circumstances of disclosure, including but not limited to business plans, pricing, customer lists, source code, and technical specifications.

Receiving party shall: (a) hold Confidential Information in strict confidence and not disclose it to third parties except as permitted herein; (b) use Confidential Information solely to perform its obligations or exercise its rights under this Agreement; and (c) take reasonable measures to protect Confidential Information from unauthorized disclosure. These obligations survive termination for a period of years.

Confidential Information does not include information that: (i) is or becomes public through no fault of the receiving party; (ii) was rightfully in the receiving party's possession prior to disclosure; (iii) is independently developed without use of Confidential Information; or (iv) is required to be disclosed by law, provided the disclosing party is given prompt notice and the disclosure is limited to what is required.

WARRANTIES, LIMITATIONS, AND ASSIGNMENT

Service Provider warrants that the Services will be performed in a professional and workmanlike manner consistent with industry standards. EXCEPT FOR THE EXPRESS WARRANTY SET FORTH ABOVE, THE SERVICES ARE PROVIDED "AS IS" WITHOUT WARRANTIES OF ANY KIND. IN NO EVENT SHALL EITHER PARTY BE LIABLE FOR CONSEQUENTIAL, INCIDENTAL, INDIRECT, SPECIAL OR PUNITIVE DAMAGES.

Neither party may assign or transfer this Agreement without the prior written consent of the other party, except that Service Provider may assign to an affiliate or in connection with a sale of substantially all of its assets related to this Agreement.

NOTICES

All notices required or permitted under this Agreement shall be in writing and delivered to the addresses set forth below or to such other address as a party may designate by notice to the other. Notices are effective upon receipt.

GOVERNING LAW AND DISPUTE RESOLUTION

This Agreement shall be governed by and construed in accordance with the laws of the State of without regard to its conflicts of law principles. The parties shall attempt in good faith to resolve any dispute arising out of or relating to this Agreement by negotiation between senior executives. If the dispute is not resolved by negotiation within 30 days, either party may seek any remedy available at law or in equity.

ENTIRE AGREEMENT

This Agreement, including any attachments and statements of work executed under it, constitutes the entire agreement between the parties with respect to the subject matter hereof and supersedes all prior and contemporaneous agreements, proposals, negotiations, representations and understandings, whether written or oral. Any amendment or modification to this Agreement must be in writing and signed by authorized representatives of both parties.

MISCELLANEOUS

If any provision of this Agreement is held to be invalid or unenforceable, the remaining provisions shall remain in full force and effect. The parties are independent contractors and nothing in this Agreement creates an agency, partnership, joint venture or employment relationship between them.

Service Provider:

By:

Date:

Client:

By:

Date:

Enter text✕

What the E-commerce Upgrade Agreement Covers

An E-commerce Upgrade Agreement documents the terms for enhancing an existing online sales platform or related services, including scope, timeline, costs, acceptance criteria, warranty obligations, and post-deployment support. The agreement allocates responsibilities between the merchant and vendor, clarifies integrations, and defines rollback and remediation steps. It is typically used when migrating to new software, adding modules, or changing hosting and payment configurations. Properly completed, the document reduces operational risk during the upgrade and creates a clear basis for dispute resolution, change orders, and acceptance testing.

Why a Written Upgrade Agreement Matters

A written E-commerce Upgrade Agreement sets expectations, limits liability, and establishes measurable acceptance criteria so both parties understand costs, schedules, and service levels during and after the upgrade.

Why a Written Upgrade Agreement Matters

Who Typically Prepares and Signs This Agreement

Use this agreement when upgrades affect customer-facing systems, payments, data handling, or integrations that could impact regulatory compliance or revenue flows.

  • Merchants and in-house product teams managing platform changes and vendor relationships.
  • Third-party vendors and integrators delivering code, hosting, or payment gateway updates.
  • Legal, procurement, and IT operations teams that approve scope and acceptance terms.

Core Sections to Include in the Agreement

A professional E-commerce Upgrade Agreement groups obligations into discrete sections so each party’s responsibilities and deliverables are clear and auditable.

Scope of Work

Define specific features, modules, integrations, and deliverables with acceptance criteria and measurable test cases to avoid scope creep and disputes.

Schedule

State milestone dates, deployment window, downtime expectations, and rollback triggers; include time zones and maintenance windows for customer-facing services.

Payment Terms

Specify fixed fees, milestone-based payments, change order pricing, withholding conditions, and any refund mechanics tied to failed acceptance tests.

Data Handling

Detail responsibilities for data migration, validation, retention, encryption, and any required HIPAA or PCI DSS safeguards when sensitive data is involved.

Warranties & Support

Describe warranty period, bug-fix SLAs, post-deployment support hours, and escalation paths for production incidents.

Liability & Indemnity

Include caps on liability, indemnities for third-party claims, and carve-outs for gross negligence or willful misconduct.

Essential Agreement Fields at a Glance

Platform: Target system name
Effective Date: MM/DD/YYYY
Parties: Legal entity names
Scope Reference: Attachment or exhibit
Commercial Terms: Payment schedule
Signatures: Authorized signer names

Step-by-Step: Filling and Finalizing the Agreement

Follow this sequence to prepare, review, and execute the E-commerce Upgrade Agreement with clear internal approvals and external confirmation.

  • 01
    Draft: Populate scope, milestones, and payment terms.
  • 02
    Review: Legal and IT validate technical and compliance terms.
  • 03
    Approve: Obtain procurement or finance sign-off per policy.
  • 04
    Execute: Sign using an accepted e-signature or notarization if required.

How to Configure an Online Signing Workflow

Set up your digital workflow to reduce friction and create an audit trail; configure authentication and field validation before sending.

Field Configuration
Signer Order Sequential or parallel as required
Authentication Email link or SMS code
Required Fields Mark signature, date, and payment fields
Audit Trail Enable timestamps and IP capture

Typical Online Execution Flow

A standard e-signing flow for an upgrade agreement includes upload, field placement, signer routing, authentication, and completion with an audit record.

  • Upload Document: Add final PDF or DOCX to the signing platform
  • Place Fields: Add signature, initial, and date fields
  • Route to Signers: Enter signer emails and set order
  • Execute & Archive: Signed copies and audit trail saved

Common Deadlines and Timing Expectations

Identify critical dates and set internal SLAs to avoid missed milestones or payment triggers during the upgrade project.

Effective Date:

Date when obligations and warranties begin

Deployment Window:

Scheduled production deployment timeframe

Testing Period:

Acceptance tests run before go-live

Invoice Due Date:

Payment due per agreed milestone

Warranty Expiration:

End date for post-deployment fixes

Frequent Preparation Errors to Avoid

  • Ambiguous acceptance criteria lead to unpaid invoices and extended disputes when parties disagree on test results and performance thresholds.
  • Missing or mismatched legal entity names cause payment processing failures and may prevent enforcement of indemnity or warranty clauses.
  • Failure to define rollback conditions causes unclear responsibilities during service disruption and increases exposure to revenue loss.
  • Overlooking data-scope details (PII, payment data) can create compliance gaps with PCI DSS or HIPAA depending on systems involved.

Short-Form Risks and Consequences

Service Disruption: Revenue loss
Data Exposure: Regulatory fines
Missed Milestone: Liquidated damages
Payment Dispute: Collection costs
Breach Claim: Indemnity exposure
Noncompliance: Operational restrictions

eSignature Vendor Comparison for Executing This Agreement

A neutral comparison of starter pricing and core capabilities relevant to signing and managing E-commerce Upgrade Agreements; signNow appears first as required.

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 Yes, 7-day trial Yes, trial available Yes, trial available Yes, trial available Yes, trial available
Bulk Send Yes Yes Yes Yes No
Audit Trail Yes Yes Yes Yes Yes
HIPAA Compliant Yes Yes Yes No No
Envelope Cap No envelope cap 100 envelopes/user/year Varies by plan Varies by plan Varies by plan

How to Download, Save, and Export Executed Agreements

Ensure executed agreements and audit trails are saved in multiple formats and locations to meet compliance and operational needs.

PDF Archival

Save a PDF/A copy with embedded audit metadata and signature certificate to preserve integrity and long-term readability.

Native Source

Keep the original editable file (DOCX) and labelled revision history for post-execution amendments and internal records.

Secure Storage

Store documents in encrypted cloud storage with access controls and retention policies aligned to legal requirements.

Export Formats

Export signed copies and CSV audit logs for finance, compliance, and legal review as required.

Real-World Examples Using E-commerce Upgrade Agreements

Two anonymized examples illustrate typical outcomes when the agreement is used to manage upgrades with third-party vendors.

Optica Ventures — COO

Optica documented precise acceptance tests for a payment gateway migration to minimize downtime and protect checkout flow

  • Testing reduced rollback risk by defining clear pass/fail metrics
  • The resulting agreement aligned development and operations timelines, shortened dispute resolution, and kept revenue loss below projected thresholds.

Martin Properties — Founder

A real estate merchant used the agreement to schedule off-hours deployments and define tenant-facing fallback pages

  • Nighttime windows cut visible downtime impacts
  • Detailed rollback and notification clauses ensured tenant communications and minimized leasing interruptions during the upgrade.

Who Can Legally Sign the Agreement

Authorized Officer

A corporate officer empowered under the entity’s bylaws, such as a CEO or CFO, can sign agreements that bind the company. Confirm authority via corporate resolution when in doubt.

Project Manager

A vendor project manager may sign limited acceptance certificates or technical completion forms per delegation, but commercial terms often still require officer-level signature.

Frequently Asked Questions About Execution and Enforceability

Short answers to common legal, technical, and procedural questions when preparing or executing an E-commerce Upgrade Agreement.


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