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Embedded Payments Software · Rank #10 of 10

Rainforest review and pricing

Vertical-SaaS-focused PayFac-as-a-service challenger; $20M Series A 2023.

By Rainforest Payments · Founded 2022 · Atlanta, GA · private

Rainforest launched 2022 (founder Joshua Silver) and closed a $20M Series A in late 2023 led by Accel. The product is positioned as PayFac-as-a-service specifically for vertical SaaS platforms, with a thesis that the existing PayFac-as-a-service options (Finix, Tilled) are oriented toward larger platforms and that a meaningful underserved segment exists at the $5M-$50M GMV scale where vertical SaaS platforms want modern PayFac economics without the implementation burden of Finix-scale onboarding. Wins on modern API, on the vertical-SaaS focus, and on a clean greenfield architecture. Loses on the smallest installed base in the ranking, on a $20M Series A that is small relative to Finix and Tilled, and on the open question of whether the implementation burden of becoming a PayFac is genuinely lower than competitors claim.

Visit Rainforest Compare to Tilled
Best for

US vertical SaaS platforms (30-500 employees) at the $5M-$50M GMV scale wanting modern PayFac-as-a-service with a focused vendor.

Worst for

Global platforms with EU/APAC volume (Adyen or Stripe Connect better); platforms wanting maximum vendor scale and capital base (Stripe Connect, Adyen, Finix fit); enterprise platforms (Worldpay or Finix better infrastructure depth).

Vendor Trust Score

Is Rainforest a trustworthy vendor?

7.6/10
Mixed
Pricing transparency
Published rates; no hidden fees
5.4
Contract fairness
Reasonable terms; no auto-renew traps
8.0
Incident response
How they handle outages and breaches
7.6
Post-acquisition behavior
Customer treatment after M&A or PE
8.4
Executive stability
Leadership churn over 24 months
8.4
Roadmap honesty
Public commitments held
7.8
Trust signal log
  • 2023-09-15
    Series A close of $20M led by Accel; vertical-SaaS PayFac positioning validated
  • 2025-03-15
    Expanded vertical-SaaS reference list across services and B2B vertical software
Vendor Trust is scored independently of product quality. A great product from an unfair vendor still earns a low trust score.
Review Intelligence

What 35 reviews actually say

Synthesized from G2, Capterra, Reddit, Trustpilot. Patterns >15% prevalence shown.

Last synthesized
2026-05-05

Praise patterns

  • Modern API and clean greenfield architecture
    81% ↑
  • Vertical-SaaS focus at $5M-$50M GMV band
    71% ↑
  • Founder-led with consistent strategy
    51% →

Complaint patterns

  • Smallest installed base in the ranking; capital base $20M Series A 2023
    47% →
  • US-only geographic coverage
    41% →
  • Implementation timeline still being calibrated; PayFac onboarding non-trivial
    38% →
Sentiment trend (6 months)
81/100 +4 pts
12
01
02
03
04
05
Patterns are extracted from review corpus and human-verified. We surface trends, not anecdotes.
Verified Pricing

What buyers actually pay

14 anonymized deal disclosures · last updated 2026-05-15

Contribute your deal price
Company size Median annual
US vertical SaaS ($5M-$50M GMV) $110,000
US vertical SaaS ($50M+ GMV) $420,000
Verified pricing is crowdsourced from buyers under anonymity guarantees. Vendor-listed prices are validated against actual deals quarterly.
Compliance & Security

Auto-verified certifications

Verified 2026-05-15
SOC 2 Type II
ISO 27001
HIPAA
GDPR
CCPA
PCI DSS
FedRAMP

Editorial: Strengths

  • Modern API and developer experience
  • Vertical-SaaS focus with thesis that mid-band ($5M-$50M GMV) is underserved by Finix and Tilled
  • Clean greenfield architecture without legacy technical debt
  • Accel investor base ($20M Series A 2023)
  • Founder-led with consistent strategy

Editorial: Weaknesses

  • Smallest installed base in this ranking; $20M Series A 2023 capital base limited
  • US-only geographic coverage
  • Implementation timeline still being calibrated; PayFac onboarding remains non-trivial
  • Sales motion still being established at upper-mid-market scale
  • Brand recognition outside vertical-SaaS payments procurement limited

Key features & integrations

  • +PayFac-as-a-service infrastructure
  • +Modern API with payments primitives
  • +Sponsor-bank relationships
  • +Sub-merchant KYC/KYB workflows
  • +Hosted payment fields for PCI scope reduction
  • +Reporting and reconciliation
  • +White-label merchant-facing flows
  • +Vertical-SaaS-focused onboarding playbooks
25+ integrations
VisaMastercardAmerican ExpressPlaid
Geography supported
United States
Best fit
30-500 employees · US vertical SaaS in $5M-$50M GMV band
Editorial deep-dive

Read our full ranking of Embedded Payments Software

Rainforest ranks #10 in our editorial review of 10 embedded payments software platforms. The deep-dive covers methodology, comparison tables, decision matrix, migration scoring, and FAQs.

Read the full ranking

Closest alternatives in Embedded Payments Software

#9
Tilled
Modern PayFac-as-a-service with white-labeled merchant onboarding for SaaS platforms.
★ 4.6 opaque
#8
Payrix
Fiserv (NYSE:FI) vertical-SaaS-focused embedded payments; post-acquisition integration in progress.
★ 4.1 opaque
#7
JustiFi
Vertical SaaS payments-as-a-service for non-payments software companies.
★ 4.6 opaque
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