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I operate a UK-based online store in the research-peptides niche and need a dependable, long-term card payment processor that is comfortable working with high-risk merchants. The solution must consistently secure high transaction-approval rates while letting us charge customers in multiple currencies. I’m flexible on how the gateway is connected—whether that’s a ready-made plugin for our existing platform, a custom API build, or a hosted payment page—as long as we can be up and running quickly. Visa and MasterCard acceptance is mandatory; Amex or additional card schemes would be a bonus. Solid fraud-screening tools, chargeback-management support, and transparent rolling-reserve terms are also important to me. Deliverable (needed ASAP): • A live, fully tested payment gateway integrated into our site, capable of processing real transactions in GBP, EUR, and USD at a minimum • Clear documentation covering integration steps, settlement schedule, and risk-management features • One brief hand-over call or written guide so my team can manage the system confidently If you already work closely with high-risk acquirers or PSPs and have a track record of keeping merchants like us stable for the long haul, I’m eager to hear how you can get us live right away.
Project ID: 40627932
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253 freelancers are bidding on average £166 GBP for this job

Hi there, We understand you're looking for a reliable e-commerce payment gateway for your UK-based online store that specializes in research peptides, requiring high transaction approval rates, multi-currency support, and solid fraud protection. With our 17 years of experience in web development and e-commerce solutions, including payment gateway integrations for high-risk merchants, we're confident in our ability to deliver a secure and efficient payment processing system. Our team has worked on similar projects, such as integrating custom payment solutions for online stores using PHP and API development. We'll provide a fully tested payment gateway integrated into your site, clear documentation, and a hand-over guide to ensure your team can manage the system confidently. Can you tell us more about your current platform and any existing payment solutions you've tried, and what were the challenges you faced with them? Feel free to message us to discuss the details! — Webbook Studio
£170 GBP in 3 days
9.3
9.3

Hello, With over a decade of experience in web and software development, my team is well-versed in crafting secure, user-friendly e-commerce platforms tailor-made for businesses just like yours. We specialize in WordPress, WooCommerce, Shopify, and BigCommerce integrations, ensuring that you have a solid, reliable platform to conduct your high-risk transactions. Additionally, our expertise in PHP and database applications will allow us to deliver a customized solution meeting all your unique needs. Our strength doesn't stop at development; we're committed to providing seamless hand-off experiences by furnishing detailed documentation and ensuring your team is well-acquainted with the system's management. Furthermore, as you highlighted the importance of long-term support, we offer solid after-launch assistance that guarantees you operational stability for an extended period. We understand the significance of transparent rolling-reserve terms, consistent transaction approval rates, and robust fraud-screening tools for your high-stakes industry. As such, our designs always prioritize these aspects without compromising on speed or security. Let's join forces - I'm confident together we can design a dependable e-commerce payment gateway capable of processing transactions in multiple currencies swiftly. Thanks!
£30 GBP in 1 day
8.6
8.6

Hi, I reviewed your need for a dependable high-risk eCommerce payment gateway for a UK store, processing live Visa and MasterCard transactions in GBP, EUR, and USD. I’ll integrate a PHP-based checkout flow using Website Design and eCommerce best practices, whether via a plugin, custom API, or hosted payment page, focusing on high approval rates. I’ll also ensure fraud-screening, chargeback-management support, and clear rolling-reserve handling are wired into the payment and reporting experience. For stable, long-term operations, I’ll deliver clean integration, thorough testing, and clear documentation for settlement and risk-management, plus a smooth hand-over guide. Let’s discuss here now.
£250 GBP in 30 days
8.5
8.5

As an experienced eCommerce specialist, I understand the unique challenges that high-risk merchants in niche markets face. Over the last nine years, I've worked with diverse payment gateways, including those serving similar industries as yours, like peptides. My extensive experience with different gateways and their APIs makes me confident that I can quickly integrate a reliable solution for your online store, regardless of your preferred connection method. Not only can I ensure your ecommerce site is up and running ASAP, but my skills also extend to fraud-screening tools and chargeback-management systems. I'm adept at designing and developing transparent interfaces that would help you manage your rolling-reserve terms efficiently. With a keen eye for risk management, my work aims to minimize any potential hiccups while maximising transaction approval rates. In addition to these technical skill sets, my commitment to providing efficient documentation and support - backed-up by positive reviews from over hundreds of clients – would be an asset during this project. My aim is always to equip clients with the knowledge and resources they need to confidently maintain their systems post-handover. I genuinely care about the success of every project I undertake and won't just rush through the work. Let's collaborate for a long-lasting solution tailored specifically for your high-risk e-commerce platform.
£200 GBP in 7 days
8.3
8.3

Hello, I’d be happy to assist with setting up a reliable payment processing solution for your e-commerce platform, including gateway integration, testing, and documentation. I have experience working with payment gateway integrations, APIs, e-commerce platforms, and secure transaction workflows. I can help evaluate suitable payment providers, implement the required integration method, and ensure the checkout process is stable and user-friendly. What I can provide: Payment gateway integration through plugin, API, or hosted checkout solution. Support for multi-currency transactions (GBP, EUR, USD). Visa and Mastercard payment setup. Secure checkout implementation. API configuration and testing. Transaction flow verification. Fraud prevention and security feature configuration where supported by the chosen provider. My approach: I will first review your current website platform, existing checkout system, and technical requirements to determine the most suitable integration approach. The implementation will focus on reliability, security, maintainability, and a smooth customer payment experience. I can also assist with troubleshooting, optimization, and future payment-related updates after the initial setup. I’m available to begin immediately and would be happy to discuss your current store setup and preferred payment architecture. Thank you, and I look forward to working with you. Best regards ADEEL
£135 GBP in 7 days
8.1
8.1

Hi As a seasoned team of developers and problem solvers, we strongly believe in transforming ideas into reliable digital solutions for businesses. Having specialized in building scalable web applications and eCommerce stores like yours, we understand the unique challenges associated with high-risk payment processing. Our wide array of skills spanning backend (PHP, Node.js, Python, Django), frontend (React.js, Angular.js, Vue.js) development as well as CMS & eCommerce expertise make us particularly suited for your project. Additionally, our team boasts strong experience in developing secure payment gateways capable of handling multiple currencies. We are also well-versed in integrating fraud-screening tools and offering chargeback-management support to keep your business stable in the long run. Our commitment to quality is demonstrated by our ISO 9001 and ISO 27001 certifications which ensure consistent results coupled with sound security practices that will undoubtedly give your customers peace of mind during transactions. Most notably, our customer-first approach involves deep understanding of your business goals, translating them into tailor-made robust solutions. With us on board, you can be assured of a live, fully-tested payment gateway integrated into your site that facilitates seamless real-time transactions. Thanks...
£250 GBP in 7 days
8.0
8.0

Hello, I can help integrate a reliable payment gateway solution for your e-commerce store with proper API/plugin setup, testing, and documentation. I have experience with payment gateway integrations, eCommerce platforms, APIs, fraud-prevention workflows, and secure transaction handling. I can evaluate your current setup, recommend a suitable processor, and implement the integration for smooth multi-currency payments. I can assist with: Payment gateway/plugin or custom API integration Visa/Mastercard payment setup GBP, EUR, and USD transaction support Secure checkout implementation Fraud screening and transaction flow testing Payment documentation and handover guidance I’ll focus on a stable, secure implementation and ensure the system is properly tested before going live. Ready to review your platform details and get started. Best regards RAHEEL
£135 GBP in 7 days
8.1
8.1

Hi, I will integrate a stable high-risk payment gateway into your site using a custom API. I recently launched a similar secure merchant processor for a niche vendor. Estimated timeline: 2-5 days Budget: £250 Let's discuss and get started. Ajharul
£135 GBP in 7 days
7.9
7.9

Hi, High-risk payment processing is not just about integration. The right approach is selecting a PSP with strong approval rates, multi-currency support, fraud protection, and stable acquiring to minimize declines and chargebacks. My Approach: • Integrate a high-risk payment gateway with Visa, Mastercard, and multi-currency support (GBP, EUR, USD). • Configure fraud detection, webhook handling, chargeback workflows, and secure checkout. • Deliver a fully tested integration with documentation and a smooth handover. One question: Which platform is your store built on (Shopify, WooCommerce, Magento, or custom)? Please ping me to get started and deliver outstanding results. Thanks!!!
£210 GBP in 7 days
8.1
8.1

Hey, I’ve carefully reviewed your project, and I understand you’re looking for a reliable payment solution that can handle high-risk transactions with strong approval rates and multi-currency support. I can help you build this with a secure approach while focusing on stability, compliance, and a smooth customer payment experience. I will work directly on the required payment setup to integrate the gateway, configure GBP/EUR/USD processing, test transactions, and provide clear documentation for settlements and risk controls. I believe in clear communication, careful implementation, and delivering a system your team can manage confidently. I have hands-on experience with similar projects and would be happy to share relevant examples during our discussion. One quick question: Do you already have a preferred PSP/acquirer, or would you like guidance selecting one suitable for your merchant category? Portfolio: https://www.freelancer.com/u/Hammadhassan21 Best Regards, Hammad Hassan
£200 GBP in 10 days
7.9
7.9

Hi, I can help you integrate a reliable high-risk payment gateway for your UK-based research-peptides store with support for Visa, MasterCard, and multi-currency processing (GBP, EUR, and USD). I have experience integrating payment gateways through plugins, custom APIs, and hosted payment pages, with a focus on fast deployment, fraud prevention, and chargeback management. I can deliver a fully tested live gateway, clear integration documentation, settlement and reserve details, and a simple handover guide for your team. My priority is a stable long-term setup with strong approval rates and transparent risk management. I’m available to start immediately. Best,
£135 GBP in 7 days
7.7
7.7

Hello, I'm really interested in helping you set up a reliable payment gateway for your UK-based online store in the research-peptides niche. It sounds like you need a solution that can handle high-risk transactions, support multiple currencies, and offer robust fraud screening and chargeback management. With 7+ years of experience in payment processing and API development, I’m confident I can provide a seamless integration tailored to your needs. I can work with existing plugins, build a custom API, or set up a hosted payment page, ensuring you can start processing transactions quickly and efficiently. I will also provide clear documentation and a brief handover guide to empower your team in managing the system. Just one question to clarify—do you have any specific preferences for fraud detection tools or chargeback management features you’d like to include? Best regards, Ivan Mandinski
£135 GBP in 2 days
7.6
7.6

Hi! My name is Marjan and I'm here to offer you my services as a skilled applicant with over a decade of experience working on Freelancer.com. l believe I am the best fit candidate for this project due to my extensive experience; I would like to have a discussion to get to know that we both are on the same page. Once the scope will be locked, I will start working on it right away.
£135 GBP in 7 days
6.9
6.9

Hello! As per your project description, you are looking to integrate a reliable payment solution for a UK based high risk e commerce business, with support for multiple currencies, strong fraud controls, chargeback management, transparent reserve terms, and a smooth customer checkout experience. The priority is to establish a compliant and dependable payment workflow that can be maintained reliably for the long term. My focus will be on reviewing your existing platform and selecting an appropriate payment integration approach, whether through an approved plugin, API integration, or hosted checkout. The implementation can support GBP, EUR, and USD transactions while incorporating appropriate payment verification, fraud screening, transaction monitoring, settlement tracking. I specialize in e commerce integrations, payment APIs, hosted checkout systems, transaction workflows, secure backend integrations, webhook handling, fraud prevention workflows, multi currency checkout, and technical documentation. Let’s connect to review your existing platform, merchant requirements, supported products, currencies, and compliance constraints so we can determine the most suitable payment integration approach. Best regards, Nikita Gupta
£300 GBP in 7 days
6.9
6.9

Hi there! I'm Markiyan, a full stack developer and CEO of a web agency, and I'd love to help you integrate a high-risk e-commerce payment gateway for your UK-based online store. I understand you need a dependable payment processor that can handle high transaction-approval rates, multiple currencies, and solid fraud-screening tools. I've worked on similar projects, including a British online store for baking and cake decorating supplies with Shopify and ERP Integration, and I'm confident my team can deliver a live, fully tested payment gateway integrated into your site. With 10+ years of experience in web development and a 5.0 rating on Freelancer, I've built relationships with high-risk acquirers and PSPs, and I'm familiar with payment gateway integration, including PayPal API, and fraud detection. I can deliver a fully functional payment gateway capable of processing real transactions in GBP, EUR, and USD, along with clear documentation and a brief hand-over call to ensure your team can manage the system confidently. One question: do you have a preferred acquirer or PSP in mind, or would you like me to recommend some options based on your specific needs? Feel free to message me to discuss the details! — Markiyan
£180 GBP in 3 days
6.9
6.9

Hi there, Finding the right payment gateway for a high risk business isn't just about getting payments to work it's about choosing a solution that remains stable, supports strong approval rates, and can grow with your business over the long term. I will help you identify and integrate a payment solution that fits your requirements, supports multi-currency transactions, and provides the security and risk-management features needed for reliable day-to-day operations. The solution will focus on:: = Visa & MasterCard support with GBP, EUR, and USD processing = A secure integration using the most suitable method for your platform (plugin, API, or hosted payment page) = Fraud prevention and chargeback management capabilities = Reliable transaction processing with transparent configuration = Complete testing before launch to ensure everything works smoothly Once the integration is complete, I will provide clear documentation and guidance so your team can confidently manage the payment system moving forward. I would be happy to discuss your current platform and help you get a reliable payment solution live as quickly as possible. Sushma Singh
£99 GBP in 5 days
6.8
6.8

As an e-commerce specialist with extensive experience in payment gateway integration, I understand the importance of a seamless and secure transaction process for high-risk industries. Over my 8+ years in the field, I've worked closely with various acquirers and PSPs, navigating complex platforms, creating custom APIs, and integrating hosted payment pages. technical dexterity, and the adaptability demanded by a multi-currency environment. My steadfast commitment to quality coincides perfectly with your requirement for consistent high transaction-approval rates and transparent rolling-reserve terms. Let's connect via Freelancer chat to further discuss how I can pronto bring your profitable enterprise fully live while maintaining utmost security and compliance.
£100 GBP in 7 days
6.9
6.9

Hi, I am a software engineer. I can integrate a ecommerce payment gateway into your website.
£20 GBP in 7 days
7.2
7.2

Hi, I had a look at your project. Getting a reliable payment solution for a research peptides business is usually the difficult part. Once that's sorted, connecting it to your website is fairly straightforward. I've worked on payment gateway integrations before, and I'm happy to help with both the setup and the integration so you're not left dealing with different providers on your own. Before I suggest anything, can I ask two things? 1. Which platform is your website built on? 2. Do you already have a payment provider in mind, or are you looking for someone to recommend one as well? If you already have a provider, I can get the integration done quickly. If not, we can first look at the options that are more suitable for your business. Thanks, Sagar P.
£135 GBP in 7 days
6.9
6.9

Hello! We can build and connect a reliable payment gateway for your store. 1. Which platform is your store currently running on? 2. Do you already have a preferred PSP or acquirer in place? — About us We are dZENcode – a full-cycle IT company for digital product development: from design and programming to integrations and post-release support. We build projects from scratch and also work on existing solutions that need further development, improvements, or technical support. You can find detailed information about our services and rates on our official website: https://dzencode.com. Please review it – after that, we can discuss the details and agree on the next step. ⚠️ After clarifying all details, we will define the scope, the suitable cooperation format – task-based, outsourcing, or outstaffing – and the final cost. Projects are guaranteed to reach release with us: • 10+ years providing IT services; • 90+ in-house specialists; • 250+ public reviews since 2015; • We support products under SLA after launch; • We work under NDA and a company contract!
£135 GBP in 7 days
6.7
6.7

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