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USD
I will integrate 2d 3d secure payment gateway subscription crypto payment stripe paypal
Falade
About this gig
Do you need payment gateway integration or checkout troubleshooting? I integrate, configure, test and fix payment gateway issues on websites and web apps.
What I can help with :
- Payment gateway integration, API setup, checkout errors, webhook fixes, refunds and payment confirmation.
- Stripe, PayPal, Square, Adyen, Braintree, Authorize.Net, Worldpay, Checkout.com, 2Checkout/Verifone, Mollie, Paddle, GoCardless, Amazon Pay, BlueSnap, Nuvei, Cybersource and Skrill.
- Crypto payment gateway setup for BTC, ETH, USDT and USDC with BitPay, NOWPayments, CoinGate or BTCPay Server.
- 3D Secure (3DS2), SCA, card authentication and secure checkout.
- Subscription payments, recurring billing, renewals, cancellations and failed-payment fixes.
- BNPL integration with Klarna, Afterpay/Clearpay, Affirm, Zip and PayPal Pay Later.
Payment methods
Visa, Mastercard, American Express, Discover, Apple Pay, Google Pay, ACH, SEPA Direct Debit, Bacs, iDEAL, Bancontact, Alipay and WeChat Pay. etc..
I work with WooCommerce, WordPress and custom websites, depending on compatibility. Tell me your platform, preferred payment gateway and what you need fixed or added before ordering. Ill confirm compatibility first.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Falade
Falade
Maximizing checkout conversions with secure payment integrations
- FromUnited States
- Member sinceAug 2026
- Avg. response time1 hour
Languages
English, Spanish, French, German
Broken checkouts and disconnected software drain your operational efficiency.
As a developer specializing in CMS platforms and backend systems, I build secure third-party API integrations that sync your data automatically without manual workarounds. I integrate payment gateways like Stripe, PayPal, Square, and Apple Pay into Shopify, Wix, WooCommerce, and custom setups.
My core tech stack includes Node.js, Python, PHP, and REST/GraphQL APIs to engineer absolutely stable workflows.
Let's eliminate your technical friction today. Message me your project goals before ordering.
FAQ
Do you provide or approve payment gateway accounts?
No. You must have your own merchant account with the chosen provider. I handle the technical integration, but account approval and payment-method eligibility are controlled by the provider.
Will testing charge real money?
I normally test in sandbox or test mode first. Live testing is done only when necessary, your account is approved, and you agree to the test plan in advance.
Can you integrate multiple gateways or build a custom checkout?
Yes, where the platform and provider APIs support it. Multiple gateways, complex custom checkout flows, or several advanced features require a scope review and a custom offer before ordering
