Affix API
Integrate with all of HR/Payroll via a vertically-integrated API. Any system, endpoint, or use case.
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Affix API provides a unified API to extract and migrate HR/payroll data from any cloud system in seconds.
- for
- Product teams and engineers building HR/payroll integrations or migrations.
- pricing
- paid
Key features
- Unified schema — Returns data from any HR/payroll provider in a consistent CSV or JSON format.
- No-code extraction — Share a link with customers to pull data and receive a CSV inbox without coding.
- Developer SDKs — OAuth 2.1, React, HTML snippet and backend SDKs for any language to automate migrations.
- Security & compliance — GDPR-compliant, ISO 27001 certified and never stores sensitive employment data.
- Full data coverage — Access company, census, compensation, timesheets, leave, payruns, payslips, taxes and custom fields.
- Scalable pricing — Plans from $500/mo to enterprise contracts with volume discounts and free first-5 migrations.
Use cases
- Onboard new SaaS customers by pulling their HR data in seconds during signup.
- Migrate legacy payroll data to a new payroll platform without manual CSV handling.
- Automate regular employee data syncs for analytics or benefits administration.
- Provide a self-service data export portal for HR admins.
Affix API pricing
- Grow$500/month/monthFirst 5 migrations free · $120 per additional migration · CSV or JSON output · Round-the-clock support
- Basic$96/yr/yearAll basic features · 10 users · 20 GB per user · Basic chat & email support
- Business$192/yr/year200+ integrations · Advanced reporting · 20 users · Priority support
- Enterprise$384/yr/yearUnlimited users & data · Custom fields & audit log · Personalised priority service · Unlimited integrations
Affix API vs alternatives
 Affix API |  Unified.to |  Hookdeck |  Impler |  WunderGraph | |
|---|---|---|---|---|---|
| Best for | Unified HR/payroll data extraction | One-API integration layer | Event-driven integrations | Front-end data import UI | API composition |
| Pricing | Paid | Subscription | Free | Subscription | Free |
| DevHunt upvotes | 2 | 37 | 30 | 77 | 38 |
| Launched | Jun 2024 | Jan 2023 | Mar 2024 | Apr 2024 | Jan 2023 |
- Affix API vs Unified.to: Provides a single API to connect many services, but focuses on generic integration rather than deep HR/payroll endpoints.
- Affix API vs Hookdeck: Event-gateway for event-driven apps; not specialized for HR/payroll data extraction.
- Affix API vs Impler: CSV/Excel import widget for front-end apps; does not handle direct API extraction from HR systems.
- Affix API vs WunderGraph: API composition platform; focuses on stitching APIs together rather than providing built-in HR data models.
Affix API FAQ
How does Affix access a customer’s HR system?+
Affix connects via OAuth 2.1 to the provider’s internal APIs, using a unified schema to pull data.
Do I need to store any employee data?+
No. Affix never stores or sees sensitive employment data; it streams results to your endpoint.
What formats are supported for the extracted data?+
Data can be returned as a flat-structure CSV file or as standard JSON.
Is there a free tier?+
The first five migrations are free on every plan; after that each migration costs $120.
Can I add new HR systems on demand?+
Yes, new systems and endpoints can be added on request, even for lower-tier plans.
What compliance certifications does Affix have?+
Affix is GDPR compliant, ISO 27001 certified and has passed an external penetration test.
Summarized by DevHunt from affixapi.com · Sep 28, 2026. Details may change; check the official site.
