Staxly

Kinde vs Paddle

Flexible authentication, user management, and feature flags
vs. Merchant of Record for SaaS — global tax, billing, checkout in one

Kinde websitePaddle website

Pricing tiers

Kinde

Free
10,500 MAU included. MFA, B2B orgs, custom domain, 2 custom roles, 1 webhook, 2 environments.
Free
Pro
Unlimited webhooks, roles, feature flags, API keys. Remove Kinde branding. SOC 2 attestation.
$25/mo
Plus
Unlimited enterprise SSO, API scopes, org-owned M2M apps, 6 environments.
$75/mo
Scale
11 environments, custom domain per org, SCIM, MFA triggers, 30-day audit logs.
$250/mo
Enterprise
Custom. Dedicated infra option, volume discounts, custom SLAs.
Custom
Kinde website

Paddle

Pay-as-you-go
5% + 50¢ per Checkout transaction. No monthly fee. All-inclusive (tax, fraud, support).
$0 base (usage-based)
Enterprise
Custom rates for high-volume. Dedicated success. Custom migration + implementation.
Custom
Invoicing (<$10 products)
Custom pricing for invoicing / products under $10.
Custom
Paddle website

Free-tier quotas head-to-head

Comparing free on Kinde vs payg on Paddle.

MetricKindePaddle
custom roles2 roles
environments2 envs
feature flags10 flags
mau included10500 users/month
webhooks1 webhooks

Features

Kinde · 14 features

  • API ScopesOAuth scopes for your APIs, enforced server-side (Plus+).
  • B2B OrganizationsMulti-tenant orgs with user roles, invitations, feature flags per org.
  • Custom DomainHost auth at auth.yourbrand.com. Free tier includes this.
  • Enterprise SSOSAML 2.0 + OIDC enterprise connections (Plus unlimited).
  • Feature FlagsBuilt-in feature flags with per-user/org overrides. No separate service needed.
  • Kinde AIAI-assisted query and insights over your Kinde data.
  • Kinde Billing (preview)Built-in subscription billing linked to users/orgs. Stripe under the hood.
  • Machine-to-MachineClient credentials grant for service-to-service auth.
  • Multi-Factor AuthTOTP authenticator apps, SMS, email, passkey.
  • PasswordlessEmail code + passkey (WebAuthn).
  • Roles & PermissionsRBAC with roles → permissions. Assigned per user or per organization.
  • SCIM ProvisioningDirectory provisioning from IdPs (Scale tier).
  • Sign-in WidgetHosted pages + themeable widget for login/signup. Customizable with CSS.
  • WebhooksEvent webhooks: user.created/updated, organization events, MFA, etc.

Paddle · 12 features

  • Affiliates (Rewardful partnership)Affiliate tracking (via partner).
  • Customer PortalSelf-service subscription management.
  • Fraud ProtectionML + human review. Paddle absorbs chargebacks.
  • Global Tax ComplianceAutomatic VAT/GST/sales tax calc + remittance + filing.
  • One-time SalesPerpetual license sales, single purchases.
  • Paddle CheckoutHosted or overlay checkout. Localized + fraud-protected.
  • Paddle RetainRevenue recovery + cancel flows (acquired Retain).
  • ProfitWell AnalyticsIncluded subscription analytics (acquired ProfitWell).
  • Self-Serve InvoicesB2B invoicing with custom POs.
  • Smart DunningRetry logic + email sequences for failed payments.
  • SubscriptionsFull lifecycle: trials, changes, cancellations, recovery.
  • WebhooksStandard resource events with HMAC signing.

Developer interfaces

KindKindePaddle
SDKKinde Android / Kotlin, Kinde Flutter SDK, Kinde Go SDK, Kinde iOS / Swift, @kinde-oss/kinde-auth-nextjs, @kinde-oss/kinde-auth-react, @kinde-oss/kinde-nodejs-sdk, Kinde Python SDKPaddle.js, @paddle/paddle-node-sdk, paddle-python
RESTKinde Management APIPaddle Billing API
MCPKinde MCP
OTHERPaddle Checkout, Paddle Webhooks
Staxly is an independent catalog of developer platforms. Outbound links to Kinde and Paddle are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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