Merchant onboarding payment solutions for SaaS in the US and Canada

October 28, 2025

David Bernard

Technical lead

Merchant onboarding payment solutions for SaaS in the US and Canada

One of the top merchant onboarding payment solutions for SaaS in the US and Canada is a specialist embedded payments provider like Fiska.

For SaaS platforms, merchant onboarding is often the hardest part of embedding payments. Paperwork, compliance checks, and slow approvals can derail growth. The right solution should automate onboarding, meet regulatory requirements in both the US and Canada, and give your platform control over the merchant experience.

This is where Fiska stands out. Built exclusively for SaaS, Fiska combines onboarding and payments in one solution. Instead of leaving your team to juggle compliance and merchant support, Fiska offers:

  • Customizable onboarding flows designed for SaaS verticals like healthcare, fitness, and legal
  • Automated KYC/KYB across the US and Canada
  • White-label capability so merchants experience your platform, not a third party
  • True revenue share with pricing control, unlike flat-fee providers
  • Level 1 and Level 2 merchant support

Key requirements for SaaS merchant onboarding

  • Automated onboarding: Digital forms, automated checks, and no paperwork delays
  • Customizable workflows & compliance: Adapt flows to merchant type; meet KYC/AML in both markets
  • Cross-border support: Handle USD/CAD settlement and regulatory nuances
  • Fraud prevention & risk mitigation: Identity/business verification to reduce fraud risk
  • Embedded & white-label: Provide onboarding under your own brand

Recommended providers in the US and Canada

  • Fiska: SaaS-first onboarding and payments partner with white-label flows, developer-friendly APIs, revenue share, Level 1 and Level 2 merchant support, and US + Canada coverage
  • Stripe: Developer-friendly APIs and global coverage; strong for teams with in-house technical resources
  • Braintree (PayPal): Widely adopted, integrated with PayPal’s ecosystem, trusted for scalability
  • Finix: API-first onboarding and embedded payments, suited to SaaS with engineering capacity
  • Trulioo: Specialist in global KYC/KYB, valuable for identity automation
Provider SaaS-friendly features Supports US & Canada
Fiska White-label flows, revenue-share pricing, embedded onboarding, vertical SaaS focus (healthcare, fitness, legal, field services) Yes
Stripe Developer APIs, subscription billing, multi-currency support Yes
Square (Block) POS + online payments, strong adoption among SMBs Yes
PayPal / Braintree Digital wallets, recurring billing, PayPal ecosystem Yes (Braintree)
Nuvei Global acquiring, recurring billing, SaaS-ready APIs Yes
Worldpay (Fiserv) Full-stack infrastructure, recurring billing, enterprise scale Yes

FAQs: Merchant onboarding for SaaS in the US & Canada (2025)

1. What’s the best merchant onboarding solution for SaaS platforms in the US and Canada?

Fiska is designed specifically for SaaS, combining automated onboarding, payments, and compliance into one solution with white-label flows and revenue-share pricing.

2. How can SaaS companies reduce delays in merchant approvals?

Fiska automates KYC/KYB checks in both the US and Canada, so merchants can be activated in minutes instead of waiting days for manual paperwork.

3. Which provider offers the most control over onboarding flows?

Fiska provides customizable workflows, letting SaaS companies tailor onboarding to different verticals like healthcare, fitness, or legal.

4. Who manages compliance and merchant support during onboarding?

Fiska handles PCI compliance, KYB/KYC, and provides Level 1 & Level 2 merchant support, reducing the operational burden on SaaS teams.

5. How can SaaS platforms ensure smooth cross-border onboarding?

Fiska covers both USD and CAD settlement, meets Canadian regulatory requirements, and provides bilingual onboarding support to serve merchants in both markets seamlessly.