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Professional API Services Agreement

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PROFESSIONAL API SERVICES AGREEMENT

This Professional API Services Agreement (the "Agreement") is entered into as of Effective Date: by and between Client Name: with principal address at ("Client"), and Service Provider Name: with principal address at ("Service Provider"). Client and Service Provider are each a "Party" and collectively the "Parties."

RECITALS

WHEREAS, Service Provider maintains expertise in the design, development, integration, hosting and operational management of application programming interfaces ("APIs") and related software services; and

WHEREAS, Client desires to engage Service Provider to provide API development, integration, maintenance and support services as described in this Agreement and any Statements of Work executed hereunder; and

WHEREAS, Service Provider is willing to perform the Services for Client under the terms and conditions set forth in this Agreement.

NOW, THEREFORE, in consideration of the mutual covenants and agreements contained herein, the Parties agree as follows:

1. SERVICES

1.1 Scope of Services. Service Provider shall perform the professional services described in the Statement of Work attached hereto or any subsequently executed Statement of Work ("Services"). A general description of the initial Services is set forth below:

1.2 Deliverables. Service Provider shall deliver to Client those deliverables specifically identified in each Statement of Work ("Deliverables"). Each Deliverable shall be deemed accepted by Client upon Client's written acceptance or fifteen (15) days after delivery if Client does not provide written notice of rejection specifying material nonconformities.

2. TERM

2.1 Term. The term of this Agreement shall commence on the Effective Date and continue for Initial Term (months): months unless earlier terminated in accordance with Section 10. Thereafter the Agreement shall renew for successive Renewal Term (months):

3. FEES AND PAYMENT

3.1 Fees. Client shall pay Service Provider the fees set forth in each Statement of Work. The initial fee for the Services shall be Agreement Fee: USD, payable as set forth below.

3.2 Expenses. Client shall reimburse reasonable pre-approved expenses incurred by Service Provider in connection with the performance of the Services, provided that Service Provider obtains Client's prior written approval for any single expense in excess of Expense Approval Threshold: USD.

4. CHANGE ORDERS

Any change to the scope, schedule, or fees shall be documented in a written change order executed by authorized representatives of both Parties. Until a change order is executed, Service Provider is not required to perform changed work. Change orders shall specify changes to scope, additional fees, and any adjustment to delivery dates.

5. CONFIDENTIALITY

5.1 Definition. "Confidential Information" means non-public information disclosed by a Party that is designated as confidential or that by its nature ought to be treated as confidential, including business plans, APIs, source code, technical documentation, and customer data.

5.2 Obligations. Each receiving Party shall (a) use Confidential Information solely to perform obligations under this Agreement; (b) restrict disclosure to employees, contractors or agents with a need to know and subject to confidentiality obligations no less protective than those in this Agreement; and (c) take reasonable measures to protect the confidentiality of such information.

5.3 Exclusions. Confidential Information does not include information that is or becomes publicly available other than through breach of this Agreement, was rightfully known to the receiving Party prior to disclosure, or is independently developed without use of the disclosing Party's Confidential Information.

6. INTELLECTUAL PROPERTY

6.1 Pre-Existing IP. Each Party retains all right, title and interest in its pre-existing intellectual property and any tools, processes and background technology used in performing the Services.

6.2 Deliverables. Subject to Client's payment of all sums due, Service Provider assigns to Client all right, title and interest in and to the Deliverables to the extent created specifically for Client under this Agreement, excluding Service Provider's pre-existing IP and third-party components.

6.3 License to Pre-Existing IP. To the extent Service Provider's pre-existing IP is embodied in the Deliverables, Service Provider grants Client a non-exclusive, worldwide, perpetual, royalty-free license to use, reproduce and modify such pre-existing IP solely as embedded in the Deliverables for Client's internal business operations.

7. WARRANTIES AND DISCLAIMERS

7.1 Mutual Warranty. Each Party represents and warrants that it has the right and authority to enter into this Agreement and perform its obligations hereunder.

7.2 Provider Warranty. Service Provider warrants that the Services will be performed in a professional and workmanlike manner consistent with industry standards. For any breach of this warranty, Service Provider's sole obligation shall be to re-perform the nonconforming Services at no additional charge or, if re-performance is not commercially practicable, to refund the fees allocated to such Services.

7.3 Disclaimer. EXCEPT AS EXPRESSLY PROVIDED IN THIS AGREEMENT, THE SERVICES AND DELIVERABLES ARE PROVIDED "AS IS" AND SERVICE PROVIDER DISCLAIMS ALL OTHER WARRANTIES, WHETHER EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.

8. INDEMNIFICATION

8.1 By Service Provider. Service Provider shall defend, indemnify and hold harmless Client from and against any third-party claim arising from (a) Service Provider's breach of Section 6 or 5; or (b) negligence or willful misconduct of Service Provider in performing the Services.

8.2 By Client. Client shall defend, indemnify and hold harmless Service Provider from and against any third-party claim arising from Client's misuse of the APIs, Client data, or Client's breach of this Agreement.

9. LIMITATION OF LIABILITY

EXCEPT FOR LIABILITY ARISING FROM (A) A PARTY'S GROSS NEGLIGENCE OR WILLFUL MISCONDUCT, OR (B) A PARTY'S INDEMNIFICATION OBLIGATIONS, NEITHER PARTY SHALL BE LIABLE FOR CONSEQUENTIAL, INCIDENTAL, INDIRECT, SPECIAL OR PUNITIVE DAMAGES. SERVICE PROVIDER'S AGGREGATE LIABILITY UNDER THIS AGREEMENT SHALL NOT EXCEED Liability Cap: USD OR THE FEES PAID BY CLIENT FOR THE APPLICABLE SERVICES IN THE PRIOR TWELVE (12) MONTHS, WHICHEVER IS LESS.

10. TERMINATION

10.1 Termination for Convenience. Either Party may terminate this Agreement for convenience upon written notice to the other Party thirty (30) days prior to the effective termination date.

10.2 Termination for Cause. Either Party may terminate this Agreement for material breach if the breaching Party fails to cure the breach within thirty (30) days after receipt of written notice specifying the breach.

10.3 Effect of Termination. Upon termination, Service Provider shall cease work and deliver all completed Deliverables and documentation to Client. Client shall pay Service Provider for all Services performed and approved expenses incurred through the effective date of termination, subject to any setoffs for breach.

11. 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.

12. REPRESENTATIONS, COMPLIANCE AND SECURITY

Each Party represents that it will comply with all applicable laws in connection with its performance under this Agreement. Service Provider shall maintain reasonable administrative, physical and technical safeguards to protect Client data and shall promptly notify Client of any security breach affecting Client data.

13. GOVERNING LAW

This Agreement shall be governed by and construed in accordance with the laws of Governing State: without regard to its conflict of laws principles.

14. ENTIRE AGREEMENT; SEVERABILITY; AMENDMENTS; WAIVER; COUNTERPARTS

14.1 Entire Agreement. This Agreement, together with any attached Statements of Work and executed change orders, constitutes the entire agreement between the Parties and supersedes all prior agreements and understandings, oral or written, relating to the subject matter hereof.

14.2 Severability. If any provision of this Agreement is held to be unenforceable, the remaining provisions shall remain in full force and effect and the Parties shall negotiate in good faith a substitute provision that most nearly reflects the Parties' original intent.

14.3 Amendments; Waiver. No amendment, modification or waiver of any provision of this Agreement shall be effective unless in writing and signed by authorized representatives of both Parties. The waiver by either Party of any breach shall not operate as a waiver of any other or subsequent breach.

14.4 Counterparts. This Agreement may be executed in counterparts, each of which shall be deemed an original and all of which together shall constitute one and the same instrument. Signatures delivered electronically shall be deemed originals for all purposes.

15. MISCELLANEOUS

15.1 Assignment. Neither Party may assign this Agreement without the prior written consent of the other Party, except that either Party may assign this Agreement without consent to a successor in interest in connection with a merger, acquisition or sale of substantially all of its assets.

15.2 Independent Contractor. Service Provider is an independent contractor and nothing in this Agreement creates an employment, partnership, joint venture or agency relationship between the Parties.

15.3 Publicity. Neither Party shall use the other Party's name or trademarks in any advertising or publicity without the other Party's prior written consent, except that Service Provider may list Client as a customer for marketing purposes unless Client provides written objection.

CLIENT

Print Name:

By:

Date:

SERVICE PROVIDER

Print Name:

By:

Date:

Enter text✕

Overview of the Professional API Services Agreement

A Professional API Services Agreement is a contract that sets the terms governing the provision, use, and maintenance of application programming interfaces (APIs) between a service provider and a client. It typically addresses service scope, access rights, uptime and support obligations, data handling and security, intellectual property ownership, rate limits and quotas, fees and payment terms, liability caps, indemnification, termination rights, and change control. For technology integrations and developer access, the agreement clarifies operational responsibilities and legal protections for both parties to reduce ambiguity during implementation and ongoing operations.

Why this agreement matters for API projects

A clear Professional API Services Agreement aligns expectations about performance, security, and intellectual property, reducing project delays and legal exposure. It provides a contractual basis for support levels, data protection measures, and remedies if service commitments are not met.

Why this agreement matters for API projects

Who typically uses the Professional API Services Agreement

The agreement helps these groups allocate operational risk, ensure compliance, and define commercial terms before large-scale integration or production use.

  • Platform operators and SaaS vendors managing external developer access and monetization.
  • Enterprise IT and procurement teams evaluating third-party integrations and SLAs.
  • Consulting firms and integrators embedding vendor APIs into customer solutions.

Core sections to include in the Professional API Services Agreement

A complete agreement organizes legal and operational items so each party knows responsibilities across development, production, and deprecation phases.

Scope of Services

Define API endpoints, supported features, allowed use cases, rate limits, and excluded functionality to prevent misunderstandings during integration.

Service Levels

Specify uptime targets, maintenance windows, incident response times, and remedies such as service credits tied to measurable metrics.

Security and Data

Detail encryption, access controls, data classification, breach notification timelines, and required compliance regimes (e.g., HIPAA where health data is involved).

Intellectual Property

Allocate ownership of API code, documentation, and derivative works; clarify license scope for API consumers and restrictions on resale.

Pricing and Payment

Describe pricing model (per-call, subscription, tiered), invoicing cadence, late payment remedies, and any volume discounts or overage charges.

Liability & Indemnity

Cap damages, carve out types of losses excluded from limits, and detail indemnity obligations for IP infringement and data breaches.

Step-by-step: completing and executing the agreement

Follow a consistent sequence to gather approvals and finalize execution, reducing rework and legal review cycles.

  • 01
    Draft Review: Assemble technical and legal inputs, attach API spec and pricing schedule.
  • 02
    Internal Approvals: Obtain procurement, finance, and security sign-off before external circulation.
  • 03
    Counterparty Review: Share with counterparty, track comments, and resolve open items.
  • 04
    Execution: Finalize signatures and retain executed copies for records and audits.

Configuring the online completion workflow

Set digital workflow options to capture required approvals, authentication, and attachments when sending the agreement for signature.

Field Configuration
Signer Order Sequential or parallel; choose sequential for legal review chains.
Authentication Email + SMS code or KBA for higher assurance where needed.
Required Attachments Mandate API key request forms or certificates during signing.
Audit Trail Enable full action logging and PDF certificate generation.

Typical execution flow for electronic signing

Electronic execution follows predictable steps from upload through certificate capture; design each step to preserve evidence of intent and consent.

  • Upload: Add the agreement and exhibits to the signing platform.
  • Place Fields: Insert signature, date, and initial fields where required.
  • Send: Dispatch signing links or email invites to designated signers.
  • Complete: Platform records timestamps, IP, and generates completion certificates.

Technical and integration considerations for eExecution

Choose settings that protect IP and operational controls, enable automated retention, and feed executed documents into contract management systems.

  • Integrations: Salesforce, NetSuite, Google Workspace supported
  • Formats: PDF, DOCX, HTML compatibility
  • Authentication: Support for SMS, OAuth, SSO

Pricing snapshot for eSignature options used with this agreement

Compare starting prices and key capabilities for common eSignature vendors. signNow is listed first per comparison convention; no date labels are included here.

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 trial No No Yes, limited Yes, limited
Bulk Send Yes Yes Yes Yes No
Audit Trail Yes Yes Yes Yes Yes
HIPAA Compliant Yes Yes Yes No No

Key risks if the agreement is incorrect or incomplete

Misidentified Parties: May lead to unenforceability
Incorrect Effective Date: Alters obligation windows
Missing Signatures: Can void key provisions
Data Breach Liability: Increased exposure and costs
IP Ownership Errors: Creates downstream infringement disputes
Noncompliant Notices: Fails ESIGN/UETA intent and consent tests

Common pitfalls when preparing API service agreements

  • Using vague scope language that omits endpoint versions and upgrade rights, causing unexpected integration breakage.
  • Failing to align rate limits and quotas with pricing, resulting in unanticipated overage disputes and surprise invoices.
  • Overlooking data residency and transfer clauses, especially for regulated data such as health or financial records.
  • Not specifying termination assistance or data export obligations, which complicates migration at contract end.

Security and compliance elements to specify

Encryption: TLS 1.2/1.3; AES-256 at rest
Audit Trail: Immutable logs and timestamping
Certifications: SOC 2 Type II; ISO 27001
HIPAA: BAA required for PHI handling
21 CFR Part 11: Specify if FDA-regulated records apply
Access Controls: Role-based access and MFA

Frequently asked questions about execution and enforceability

Answers to typical execution, evidence, and compliance questions when using electronic signatures for API agreements.


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