Best Payment Gateways With 2,000+ Integrations: Stripe, Square, Coastal Pay, PayPal & Adyen Compared

Let’s Define What “2,000+ Integrations” Really Means for Your Payment Stack

“2,000+ integrations” sounds impressive on a marketing page, but the number alone is meaningless without unpacking how integrations are counted.

The Four Integration Layers

• Native integrations: Direct, certified connections between the gateway and a specific software platform. Maintained jointly by both vendors. Highest stability and feature depth.
• Marketplace apps: Third-party-built connectors available in the gateway’s app marketplace (e.g., Stripe App Marketplace). Quality varies by developer.
• iPaaS connectors: Integration platform as a service tools like Zapier, Integrately, or Make that connect the gateway to thousands of other apps via automation. Lower-fidelity than native but extremely broad reach.
• Custom API builds: Custom-coded integrations using the gateway’s API for situations where no pre-built option exists.

Why IT Leaders Care About More Than the Number

A gateway with 2,000+ marketplace listings means little if integrations break after every platform update or carry $5/month per-connector fees. What actually matters:

• Maintenance: Does the integration stay current as both sides update?
• Versioning: Are breaking API changes communicated in advance with migration paths?
• Support SLA: When an integration breaks, who fixes it and how fast?
• Reverse direction support: Does the gateway support webhooks back into your CRM, ERP, and accounting?

Coastal Pay’s Layered Approach

Coastal Pay combines 2,000+ direct native integrations across POS, e-commerce, ERP, CRM, healthcare, scheduling, and vertical-specific systems with an open API and iPaaS extensibility for the long tail.

What Should You Look for in a Highly Connected Payment Gateway?

Core Evaluation Criteria

• Breadth of supported software: Native and marketplace integrations covering your actual stack, not a generic list
• Depth of each integration: Does the integration support tokenization, refunds, chargebacks, recurring billing, and reporting, or just basic charge creation?
• API maturity: RESTful, well-documented, versioned, with SDKs in major languages
• Webhooks: Real-time push notifications for transactions, disputes, settlements, and account events
• Sandbox / test environment: Production-equivalent testing before go-live

Security and Compliance

• PCI DSS scope reduction: Does the integration model keep card data out of your servers (e.g., hosted fields, iFrames, tokenization at point of capture)?
• Tokenization for stored payment methods
• 3-D Secure 2 support
• PII handling rules for the data flowing between systems

Operational Concerns

• Uptime SLA: 99.9%+ for enterprise scenarios
• Developer support channels: Slack channels, dedicated reps, or just ticket queues
• Change management: Notification of API changes, deprecation policies, and migration windows
• Documentation quality: Examples, error code references, and recipe guides for common scenarios

Total Cost of Ownership

Beyond the per-transaction rate, factor in:

• Separate gateway subscription fees ($25 to $30/month typical)
• Per-integration add-on fees (some platforms charge $5 to $20/month per connector)
• Custom development costs for missing integrations
• Maintenance overhead for keeping integrations healthy

Coastal Pay’s bundled gateway approach (flat 2.5% + $0.15, no separate gateway fee, no per-connector add-ons) often yields meaningful savings vs gateway-plus-integration-fee stacks.

Here’s How Stripe Approaches Integrations and Developer Experience

Stripe is the benchmark for developer-first payment infrastructure.

Stripe’s Integration Model

• Stripe App Marketplace: Third-party apps for CRM, analytics, billing, fraud, and dozens of other categories
• Official Zapier connector: Connects Stripe events to 9,000+ apps via automation
• Mature SDKs: Officially supported libraries for Python, Ruby, Node, PHP, Go, Java, .NET, and more
• Extensive API documentation: Best-in-class technical docs with worked examples
• Pre-built UI components: Stripe Elements, Checkout, and Payment Element for quick UI integration

Stripe Excels For

• SaaS platforms with subscription billing needs
• Marketplaces and platforms (Stripe Connect)
• Developer-heavy teams that want to build custom flows
• Global tech-forward companies needing multi-currency from day one

Where Stripe Has Friction

• Higher effective rates at scale: 2.9% + $0.30 standard does not negotiate easily for sub-enterprise volumes
• Risk-driven account holds and closures that affect higher-ticket coaching, subscription, and similar verticals
• Support is ticket and chat-first: Limited phone access for most merchants
• Multi-location retail and complex in-person scenarios require third-party POS layers and are not Stripe’s strength

Stripe is often a benchmark but not always ideal for multi-location retail or complex in-person plus online setups where Coastal Pay’s direct POS integrations are stronger.

How Does PayPal (and Braintree) Fit Into a 2,000+ App Ecosystem?

PayPal serves a specific function: brand-trust wallet acceptance layered on top of a primary processor.

PayPal’s Reach

• Universal plugin coverage across essentially every mainstream e-commerce cart and POS
• Third-party integration / partner directory through PayPal’s official partner program
• Official Zapier connector letting PayPal events feed thousands of downstream tools
• Wallet brand recognition across the U.S. consumer base (PayPal + Venmo)

Braintree’s Developer Layer

Braintree, owned by PayPal, offers a deeper API and SDK toolkit for marketplaces, subscriptions, and custom checkouts. More technical to set up than Stripe but with strong wallet integration.

Where PayPal/Braintree Fit

• Consumer-facing brands wanting PayPal/Venmo wallet checkout as an option
• Existing processor stacks that need to add wallet acceptance
• Marketplaces and B2C subscriptions using Braintree as a developer-friendly alternative to Stripe

Common Friction Points

• Sudden account limitations and dispute holds (well-documented in merchant reviews)
• 2.99% + $0.49 standard PayPal pricing is among the highest of the big providers
• “Not as described” disputes on intangible services tend to favor the buyer

Coastal Pay’s Approach

Coastal Pay supports PayPal and Venmo as alternative payment methods alongside cards, ACH, Apple Pay, Google Pay, Klarna, Afterpay, and Coinbase within the same merchant account at the standard rate. Use PayPal where it helps conversion without making it your primary processor.

Here’s How Square Connects in Retail, Restaurant, and Service Environments

Square’s strength is bundled POS-first ecosystem for small U.S. businesses.

Square’s Native Coverage

• Square POS, Online Store, Invoicing, Appointments, and Loyalty
• Square App Marketplace with restaurant, retail, and service-specific integrations
• Native integrations with major accounting platforms (QuickBooks, Xero) and e-commerce

iPaaS Reach

Official Square connector on Zapier reaches 9,000+ apps for marketing, CRM, and accounting automation, well beyond the 2,000+ threshold.

Square Excels For

• Single-location or few-location U.S. retail
• QSR and food service operations using Square for Restaurants
• Service businesses (salons, gyms, mobile services) using Square Appointments
• Hobby-scale or very small merchants who value simplicity over flexibility

Where Square Has Friction

• Locked into Square’s ecosystem: Hard to use Square Payments without Square POS, and vice versa
• Multi-location operations outgrow Square’s centralized management capabilities
• PayFac sub-account risk: Account freezes on volume spikes are well-documented
• Limited support for non-Square POS: If you want Lightspeed or Clover, Square is not the answer

For multi-location, mixed in-person and online businesses that want to keep their existing POS or ERP and just improve payments, Coastal Pay is typically the better fit.

How Does Adyen Handle Large, Global and Enterprise-Grade Integrations?

Adyen is built for enterprise-scale, multi-country commerce.

Adyen’s Enterprise Network

• Deep platform integrations with Salesforce Commerce Cloud, Adobe Commerce (Magento), SAP, Oracle, and major omnichannel platforms
• Global acquiring in 30+ countries with 150+ local payment methods
• Partner ecosystem of certified integration partners for complex commerce deployments
• Integrately connector reaching 1,500+ additional apps via automation
• Sophisticated risk and fraud tools for enterprise transaction volumes

Adyen Excels For

• Global brands operating in multiple currencies and countries
• Large omnichannel retailers with unified in-person, online, and B2B flows
• Enterprises with centralized IT, formal procurement, and 12+ month implementation timelines
• Mid-market and enterprise companies that have outgrown PayFacs

Where Adyen Has Friction

• Long procurement and implementation cycles (6 to 18 months typical)
• Minimum volume thresholds that exclude smaller merchants
• Steep technical setup requiring dedicated engineering investment
• Less suited to mid-market merchants wanting fast deployment without global complexity

For mid-market enterprises needing scale without global-complexity overhead, Coastal Pay’s faster onboarding, instant approvals (~2 minutes), and U.S.-focused integration depth often deliver more practical value.

Here’s Why Coastal Pay Was Built as an “Integration-First” Gateway

Coastal Pay’s product strategy puts integrations at the center rather than treating them as an afterthought.

The 2,000+ Integration Directory

Coastal Pay’s integration directory spans:

• POS systems: Clover, Lightspeed Retail and Restaurant, Toast, NCR, Aldelo, TouchBistro, Square (via supported gateway integrations), and dozens of vertical-specific systems
• E-commerce platforms: WooCommerce, BigCommerce, Magento (Adobe Commerce), Volusion, OpenCart, Shift4Shop, custom carts via API
• ERP and accounting: NetSuite, QuickBooks, Xero, Sage, Microsoft Dynamics
• CRM and marketing: HubSpot, Salesforce, Pipedrive, ActiveCampaign, Klaviyo
• Scheduling and booking: Calendly, Acuity, Mindbody, Vagaro
• Healthcare and pharmacy: Compatible practice management and pharmacy POS systems
• Hospitality: Compatible PMS systems, F&B POS, and event management tools
• Coaching and education: Kajabi, ClickFunnels, GoHighLevel, Kartra, Thinkific, Teachable

Channel Coverage in One Gateway

The same Coastal Pay merchant account powers in-person POS, e-commerce checkout, payment links, email invoicing, virtual terminal, tap-to-pay on mobile, and recurring billing. No separate gateway subscription for any channel.

Developer Assets

• Gateway documentation with implementation examples
• API and SDK access for custom integrations
• Webhooks for real-time event push to your CRM, ERP, or analytics
• Sandbox environment for testing before production
• Live integration support team at 888-266-1715 – not self-serve-only docs

Alternative Payment Methods Bundled

Apple Pay, Google Pay, ACH, Venmo, Coinbase, Klarna, Afterpay, and PayPal all run inside the same integration footprint at the standard rate. No separate vendor relationships or duplicated implementations.

Pricing That Reflects the Integration-First Strategy

Flat 2.5% + $0.15 per transaction with the gateway included at $0/month. No per-connector add-on fees. No setup fees. Dual pricing option available to effectively eliminate processing cost on card transactions.

Which Payment Gateway With 2,000+ Integrations Is Best for You?

Gateway Comparison Summary

Scenario-Based Recommendations

SaaS or Platform Company With Strong Engineering Team

Top fit: Stripe. Consider Adyen if you are scaling internationally. Coastal Pay is a strong alternative if you also have meaningful in-person or invoicing volume and want lower rates with bundled gateway.

Single-Location Retail or Restaurant Under $30K/Month

Top fit: Square for absolute simplicity. Coastal Pay wins once you cross approximately $15K to $20K/month or want to keep your existing POS while improving payments.

Multi-Location Retail, Restaurant, or Hospitality

Top fit: Coastal Pay. Centralized multi-property reporting, 2,000+ integrations supporting Clover, Lightspeed, Toast, and major hospitality PMS systems, and flat 2.5% + $0.15 with no per-location gateway fees.

Healthcare, Pharmacy, or Vertical-Specific Practice

Top fit: Coastal Pay for direct integrations with vertical practice management and POS systems. Stripe and Square typically lack these specific connectors.

B2B With ERP-Centric Operations

Top fit: Coastal Pay for NetSuite, QuickBooks, Xero, and Microsoft Dynamics integrations with flat-rate pricing. Adyen for very large multinational B2B.

Coaching, Education, or High-Ticket Services

Top fit: Coastal Pay for integrations with Kajabi, ClickFunnels, GoHighLevel, and Kartra plus true merchant account stability vs PayFac freeze risk.

Global, Multi-Country, Enterprise

Top fit: Adyen. Coastal Pay’s enterprise team can support U.S. operations of multinational brands with custom interchange-plus pricing.

How Do You Implement the Right Gateway Without Breaking Existing Systems?

5-Step Implementation Checklist

1. Map systems in scope. Inventory every POS, e-commerce cart, ERP, CRM, accounting, reporting, and vertical system that touches payments.
2. Identify current payment flows. Document where card data is captured, tokenized, stored, refunded, and reported.
3. List required software integrations. For each system, confirm it is in the gateway’s directory or can be connected via API or iPaaS.
4. Validate sandbox compatibility. Run test transactions through each integration before going live.
5. Phase rollout. Sandbox testing → pilot location or channel → full deployment with monitoring and rollback plan.

Validating Coverage on Coastal Pay’s Integration List

For each system you identified, check the Coastal Pay Integrations directory. If a system is not listed:

• Check if it supports the Coastal Pay API directly
• Confirm whether Zapier or similar iPaaS bridges the gap
• Engage Coastal Pay’s integration support to build a custom connector if needed

Phased Rollout Approach

• Week 1 to 2: Sandbox configuration and test transactions across each integration
• Week 3 to 4: Pilot rollout to one location or one channel; monitor authorization rates, settlement timing, and reconciliation accuracy
• Week 5 to 8: Full deployment to remaining locations or channels; maintain parallel processing on the old provider for 30 days as a safety net
• Week 9+: Full cutover with monitoring dashboards in place

Coastal Pay’s Migration Support

Coastal Pay’s enterprise team designs migration plans tailored to volume, locations, and tech stack, including statement audits to confirm savings before commitment.

What You Need to Know About Coastal Pay’s 2,000+ Integrations and Next Steps

Key Takeaways

• 2,000+ direct software integrations across POS, e-commerce, ERP, CRM, healthcare, hospitality, coaching, and B2B verticals
• Instant approval in approximately 2 minutes through SignUp Link for most U.S. low-risk merchants
• Bundled gateway at $0/month with flat 2.5% + $0.15 per-transaction pricing
• Omnichannel coverage: in-person POS, e-commerce, payment links, email invoicing, virtual terminal, tap-to-pay on mobile
• Alternative payment methods bundled at the same rate
• Live U.S. integration support at 888-266-1715

How to Start

1. Browse the Coastal Pay Software Integrations directory and check which of your current tools are listed
2. Send your tech stack to the Coastal Pay team for an integration check if any system is unclear
3. Request a custom payment processing proposal for enterprise volumes (typically $100K+/month) with pricing and architecture tailored to your stack
4. Or click “Get Approved in 2 Minutes” to start the standard SignUp Link flow with flat 2.5% + $0.15 pricing

Talk to Coastal Pay About Your Tech Stack

See If Your Software Is Already Integrated

Request an Enterprise Proposal

Or call: 888-266-1715

Frequently Asked Questions

What are the best payment gateways with over 2,000 software integrations?

The major gateways that clear the 2,000+ bar are Stripe, Square, PayPal/Braintree, Adyen, and Coastal Pay. Each is strongest in different scenarios: Stripe for SaaS, Square for U.S. small retail/restaurants, PayPal for wallet recognition, Adyen for global enterprise, and Coastal Pay for multi-location and integration-heavy U.S. merchants wanting one provider for card-present plus online with no separate gateway fees.

Which gateway has the most software integrations?

Including iPaaS connectors, Stripe, Square, and PayPal effectively exceed 9,000 reachable tools via Zapier. Coastal Pay markets 2,000+ direct software integrations plus API and iPaaS extensibility. For integration depth (not just reach), Coastal Pay and Adyen typically rank highest for enterprise multi-system commerce stacks.

Does Coastal Pay integrate with my POS or e-commerce platform?

Coastal Pay’s 2,000+ integration directory covers major POS (Clover, Lightspeed, Toast, NCR), e-commerce (WooCommerce, BigCommerce, Magento, Shopify via supported paths), accounting (QuickBooks, Xero, Sage), CRMs (HubSpot, Salesforce), and vertical-specific software. If your system is not directly integrated, the Coastal Pay API supports custom builds.

How does Coastal Pay’s integration model compare to Stripe’s?

Stripe is developer-first, optimized for SaaS and platforms. Coastal Pay is integration-first for commerce merchants, with 2,000+ direct connections to POS, retail, restaurant, hospitality, healthcare, and B2B systems plus live U.S. integration support. Coastal Pay’s flat 2.5% + $0.15 pricing with no separate gateway fee is typically lower than Stripe’s 2.9% + $0.30 standard rate.