--- title: "api — Fungies blog · Fungies" description: "Every Fungies article tagged “api” — 13 posts on selling software globally." image: "https://fungies.io/og-image.jpg" canonical: "https://fungies.io/tag/api/" --- [← Blog](/latest-news-blog) § Tag 13 entries # #api Everything we have published tagged “api”. Notes on selling software globally — churn, pricing, VAT thresholds, and the mechanics of getting paid from anywhere. July · 20261 entry - [ № 005 2026.07.07Latest ### SaaS Demo Best Practices: The Complete 2026 Guide to Converting 40%+ of Product Demos Discover the 7-step playbook top SaaS companies use to achieve 40%+ demo-to-close rates. Includes 2026 benchmarks from 939 B2B companies, objection handling frameworks, and interactive demo software recommendations. 2026.07.07Adrian Schenberg · 9 minGuides ](/saas-demo-best-practices-2026) April · 202612 entries - [ № 173 2026.04.21Latest ### 10 Best Payment Gateway APIs for Developers in 2026: Complete Comparison Compare the 10 best payment gateway APIs for developers in 2026. Detailed comparison of Stripe, Fungies, Adyen, Paddle, FastSpring, and more with real pricing, features, and use cases. Find the right payment API for your SaaS. 2026.04.21Dawid Woźniak · 13 minGuides ](/best-payment-gateway-apis-developers-2026-2) - [ № 181 2026.04.20 ### How to Integrate a Payment Gateway API: The Complete Developer Guide (2026) Learn how to integrate payment gateway APIs with this complete developer guide. Covers 5-layer architecture, webhook handling, idempotency, error recovery, and production best practices for Stripe, PayPal, and modern payment APIs. 2026.04.20Dawid Woźniak · 9 minGuides ](/payment-gateway-api-integration-guide) - [ № 194 2026.04.18 ### 10 Best Payment SDKs for Developers in 2026: Complete Comparison Compare the 10 best payment SDKs for developers in 2026. From Stripe’s flexibility to Fungies’ built-in tax compliance, find the right payment SDK for your SaaS or digital product with real pricing, setup times, and code examples. 2026.04.18Dawid Woźniak · 11 minGuides ](/best-payment-sdks-developers-2026-2) - [ № 195 2026.04.18 ### 10 Best Payment SDKs for Developers in 2026: Complete Comparison Compare the 10 best payment SDKs for developers in 2026. From Stripe’s flexibility to Fungies’ built-in tax compliance, find the right payment SDK for your SaaS or digital product with real pricing, setup times, and code examples. 2026.04.18Dawid Woźniak · 10 minGuides ](/best-payment-sdks-developers-2026) - [ № 201 2026.04.17 ### Payment API Integration for SaaS: The Complete Developer Guide 2026 Learn how to integrate payment APIs into your SaaS application with this comprehensive developer guide. Covers authentication, webhooks, error handling, security best practices, and production-ready code examples for 2026. 2026.04.17Dawid Woźniak · 9 minGuides ](/payment-api-integration-guide-2026) - [ № 209 2026.04.16 ### 10 Best Payment Gateways for Developers in 2026: API-First Comparison Discover the 10 best payment gateways for developers in 2026. Compare Stripe, Adyen, Braintree, Checkout.com, and more with real API ratings, pricing, and integration insights. 2026.04.16Dawid Woźniak · 9 minGuides ](/best-payment-gateways-developers-2026) - [ № 215 2026.04.15 ### 11 Best Payment Orchestration Platforms for SaaS in 2026: Complete Comparison Compare the 10 best payment orchestration platforms for SaaS in 2026. See pricing, features, and use cases for Solidgate, Primer, Gr4vy, Spreedly, and more. Find the right payment orchestration solution for your business. 2026.04.15Duke Vu · 10 minGuides ](/best-payment-orchestration-platforms-saas-2026) - [ № 220 2026.04.15 ### SaaS Payment Integration: The Complete Developer Guide to Building Secure Payment Systems in 2026 Learn how to implement SaaS payment integration with this complete developer guide. Covers payment architecture, webhook security, dunning strategies, and a 21-day implementation checklist for 2026. 2026.04.15Dawid Woźniak · 12 minGuides ](/saas-payment-integration-guide) - [ № 231 2026.04.14 ### 10 Best Payment Gateway APIs for Developers in 2026: Complete Comparison Discover the best payment gateway APIs for developers in 2026. Compare Stripe, PayPal, Adyen, Square, Braintree and more with real pricing, features, and integration experiences. Find the perfect payment API for your SaaS or digital product. 2026.04.14Dawid Woźniak · 9 minMonetization ](/best-payment-gateway-apis-developers-2026) - [ № 276 2026.04.09 ### 10 Best Payment APIs for SaaS Developers in 2026: Complete Comparison Discover the 10 best payment APIs for SaaS developers in 2026. Compare Stripe, Adyen, Braintree, Mollie, and more with real pricing, features, and use cases. 2026.04.09Dawid Woźniak · 8 minGuides ](/best-payment-apis-saas-developers-2026) - [ № 283 2026.04.08 ### Payment Gateway Integration for Developers: The Complete 2026 Guide Learn payment gateway integration the right way. This developer guide covers API setup, webhook handling, idempotency, error recovery, and common mistakes to avoid when building production payment systems. 2026.04.08Duke Vu · 10 minGuides ](/payment-gateway-integration-developers-guide) - [ 284 № 284 2026.04.08 ### Payment Webhook Implementation: The Complete Developer Guide to Secure Integrations in 2026 Learn how to implement secure payment webhooks in 2026. Complete guide covering HMAC signature verification, idempotency, retry logic, event queues, and production best practices for Stripe, PayPal, and Adyen integrations. 2026.04.08Dawid Woźniak · 10 minGuides ](/payment-webhook-implementation-guide-2026) § End of file [Browse the full archive →](https://fungies.io/latest-news-blog/) ## Stop reading about it. Start selling. Everything we write about — tax, payouts, checkout, recovery — is already handled the moment you open an account. No card, no contract, no setup fee. [Start free](https://app.fungies.io/register) [Book a demo](https://calendly.com/duke-vuh/fungies-io-demo-clone) No upfront costs. No credit card required. ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://fungies.io/#organization","name":"Fungies","legalName":"Fungies Inc.","url":"https://fungies.io/","description":"Merchant of Record for SaaS, games, and digital products. 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