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Official Request – Fiken Integration We are looking for assistance in setting up a simple and efficient integration between our operations platform and Fiken. Scope: * When a service is marked as completed in our operations system, customer and order data should automatically be transferred to Fiken through the API. * An invoice should then be automatically created in Fiken, either as a draft or sent directly to the customer. * The goal is to eliminate all manual invoice creation and data entry. Our operations platform already contains all necessary information, including customer details, pricing, addresses, and order information. It is important to note that we are not looking to build a complete invoicing platform or accounts receivable system. The project is strictly focused on creating a seamless integration between our existing platform and Fiken. Please also provide: * An estimated implementation timeline * Any information you would need from us to get started * Relevant experience with Fiken integrations
Project ID: 40496393
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I can build this operations-to-Fiken integration so invoices are created automatically the moment a service is marked complete — no manual data entry at all. I'll set up a webhook or event listener on your operations platform that triggers when a job is completed, then use Fiken's REST API to create or match the customer contact, and generate the invoice (as draft or auto-sent, your choice) with all line items, pricing, and VAT pulled directly from your existing order data. The integration will be lightweight and focused — just the bridge between your platform and Fiken, nothing more. To get started I'd need your Fiken API token, access to your operations platform's API or webhook documentation, and a sample payload from a completed service. I can start immediately.
$10 USD in 1 day
7.0
7.0
58 freelancers are bidding on average $55 USD for this job

Hello, With my team at Our Software, we not only have extensive experience in web design and development that has honed our skills with HTML, PHP, and Software Development but also a track record of successful integration projects like the one you've described. Some of the work we've done includes seamless connections between various platforms and accounting systems, including similar integrations involving Fiken. This project is something we are perfectly equipped to handle. Our solutions not only focus on automating manual processes as required here but also ensuring smooth data flow and integrity. We understand the significant time-saving and efficiency benefits that such integration can bring to businesses. As for implementation timeline, having worked on several similar projects before, we estimate it would take us X weeks to complete it thoroughly while keeping you updated at every step. Finally, what sets us apart is not just our technical expertise but our commitment to "WOW" factor in all our undertakings, big or small. We don't just believe in completing projects; we believe in turning your dreams into reality. Your satisfaction will always be paramount to us and by choosing us, you are choosing a partner who will ensure your business reaches new heights through innovative solutions. Thanks!
$30 USD in 1 day
8.6
8.6

Hi, You’re not looking for an invoicing system , you’re looking to remove a recurring operational bottleneck, and that’s exactly the kind of integration I build. I can connect your operations platform to Fiken so that once a service is marked completed, the customer and order data flow automatically into Fiken and the invoice is created as a draft or sent directly, based on your workflow. I’ve built API-driven automations with PHP, MySQL, and custom backend logic, so I can map your existing data cleanly, validate the transfer, and make sure the process is reliable and easy to maintain. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. If you’d like, I can start by reviewing your current data structure, Fiken API access, and invoice rules, then outline the integration flow within 1-2 business days. Could you share whether you want invoices created as drafts by default, or sent automatically once the service is completed? Best regards, Asad
$30 USD in 3 days
8.3
8.3

Hi, This is exactly the type of focused automation project I enjoy working on. Since your operations platform already contains customer information, pricing, addresses, and order details, the most efficient approach is to create a lightweight integration layer that automatically sends the required data to Fiken whenever a service reaches the completed status. The workflow would monitor completed jobs, validate the required customer and order information, create or update customer records if necessary, and generate invoices in Fiken either as drafts or automatically ready for delivery based on your preferred process. My focus would be on building a reliable and maintainable integration with proper logging, validation, and error handling so that invoice creation becomes fully automated while minimizing operational risk. The solution can be designed to fit your existing platform architecture without introducing unnecessary complexity or attempting to replace Fiken's accounting functionality. For a project of this scope, implementation is typically completed within a few days once API access, documentation, and sample data are available. I can also provide clear documentation covering the integration flow and future maintenance considerations. Best, Justin
$1,000 USD in 7 days
6.7
6.7

Hello, I came across your Operations-Fiken Integration Setup and I am very interested in working with you. I have reviewed your requirements and full understand the scope of expectations. I specialize in PHP, HTML, and have successfully delivered similar projects before. I am committed to delivering high-quality work with reliability, clarity and professionalism. I work transparently throughout the project progress, deadlines and expectation stay clear at every stage. I would be glad to disucss further details and am ready to start immediately. Looking forward to hearing from you. Regards. Anum
$30 USD in 1 day
5.8
5.8

Hello there, I can build a focused Fiken API integration that sends completed service/customer/order data from your operations platform and automatically creates invoice drafts or sent invoices. I can complete this in about 1–2 days after reviewing your platform API/webhook access, Fiken credentials, invoice fields, and preferred draft/send workflow.
$30 USD in 2 days
5.9
5.9

Hello dear, Greetings from MD. Toriqul Islam! We are a dedicated Web Design & Development team with over 10+ years of industry experience. I’m Engineer Toriqul Islam, an experienced Computer Science & Engineering graduate from RUET. We specialize in building modern, scalable, and user-friendly digital solutions tailored to business needs. What I Offer We help businesses grow online by delivering: • Clean, modern, and responsive website designs • High-performance and scalable web applications • User-focused UI/UX for better engagement and conversion My Technical Expertise We work across a wide range of technologies, including: • Frontend: HTML5, CSS3, Bootstrap, JavaScript, jQuery, Angular, React • Backend: Node.js, PHP, Laravel, .NET, CodeIgniter, Ruby on Rails, Python • CMS & Platforms: WordPress • Database: MySQL, MongoDB • Mobile Development: React Native, Flutter, and more Why choose me? ✔️ Clean, optimized, and well-documented code ✔️ Reusable and scalable components ✔️ On-time delivery with complete requirement fulfillment We are confident in our ability to turn your ideas into a powerful digital product. Let’s discuss your project and make it a success. Looking forward to working with you! Best Regards, Md. Toriqul Islam
$45 USD in 2 days
6.1
6.1

Fiken's API uses company-slug-scoped endpoints and Norwegian MVA codes on every transaction line. Knowing the kontoplan structure matters more here than generic PHP/REST skills. For this job: OAuth setup, sync logic for your operational data, field mapping to the correct kontoplan accounts with the right MVA codes, and basic error logging so silent failures surface. Three days, $30, one deliverable. What's on the source side, a custom PHP app or an existing system?
$30 USD in 3 days
5.5
5.5

With over a decade of experience in web and mobile app development, particularly in HTML and MySQL, I am the professional you need to execute this project effectively. My skillset matches your requirements perfectly. In addition to my proficiency in WordPress, UI/UX Design and Optimization, I have prior experience with Fiken integrations. I understand the importance of data accuracy, timeliness and the value. Remember that sincerity is important for a good pitch; with this technical ability and thoroughness would be my approach to this task. I ensure that no customer or order data will be lost during integration. This also means that all monetary transactions will happen smoothly from draft invoice creation to successful payments logged. As for the timeline, given the preliminaries you've provided, I anticipate the project would take roughly x weeks to identify requisites from your existing system, plan integration and develop both systems in synergy. However, I'd love to discuss specifics further once we connect. To re-emphasize my value: I'd not just integrate your platform with Fiken but guarantee reduced workload and minimal errors. Let's come together on this project; our synergy will not only integrate our platforms but create expanded possibilities for your business operation through optimized functionalities in Fiken. Let’s build a seamless and efficient system together!
$20 USD in 7 days
5.2
5.2

Dear Client, I’m a Full-Stack Developer with 10+ years of experience building API integrations, business automation systems, and custom web applications. I hold a B.Sc. in Computer Science and Engineering from BUET and specialize in creating reliable workflows that eliminate manual processes. I understand you need a seamless integration between your operations platform and Fiken, where completed services automatically transfer customer and order data, generate invoices, and optionally send them to customers. I have experience developing similar integrations involving accounting platforms, invoicing systems, REST APIs, webhooks, data synchronization, and workflow automation. My approach focuses on secure data transfer, accurate invoice creation, error handling, and maintainable integration architecture. My expertise in PHP, Laravel, Python, APIs, MySQL, automation workflows, and third-party integrations enables me to deliver exceptional results. Feel free to share your platform details, API documentation, and workflow requirements. I’m ready to discuss the implementation timeline and integration approach. Looking forward to hearing from you. Best regards, Md Ruhul Ajom
$10 USD in 3 days
5.4
5.4

I understand that your main challenge is to streamline the invoicing process by automating the transfer of data from your operations platform to Fiken. This integration aims to eliminate manual entry, ensuring efficiency and accuracy. With over 12 years of experience in full-stack development and API integrations, I am well-equipped to facilitate this setup. Utilizing technologies like Node.js for backend integration and React.js for any necessary frontend adjustments, I can ensure a seamless connection with Fiken’s API. My expertise also includes automation tools such as Appium and Selenium, which may prove beneficial in testing the integration thoroughly. To get started, I would need access to your operations platform’s API documentation and any specific requirements you have for the invoice creation process in Fiken. As for the timeline, I estimate that this integration could be implemented within 2-3 weeks, depending on your specific needs. Could you please clarify if there are any additional features or customization you envision for this integration?
$30 USD in 7 days
4.4
4.4

As an experienced full-stack developer, my expertise in PHP and MySQL makes me a great fit for this project. I understand the importance of efficiency and automation in business operations, and I am well-equipped to set up the needed Fiken integration for you. With my in-depth knowledge of APIs and developing seamless connections between different platforms, I am confident I can successfully transfer customer and order data from your operations platform to Fiken, creating invoices either as drafts or sending them directly to clients. Importantly, this will significantly reduce manual efforts on invoicing and data entry. Drawing from my past experience working on similar integrations with Fiken, I understand the specific nuances involved, which ensures that I can deliver not just a functional solution, but also one that aligns perfectly with your needs. My diligent work ethic means that I can provide an accurate estimate on the timeline after acquainting myself with the specific requirements. Let's get started; together we'll create a streamlined process that eliminates manual invoicing while leveraging your existing system's capabilities.
$30 USD in 1 day
4.0
4.0

I can assist with setting up a straightforward and efficient Fiken integration tailored to your business operations. I understand the need for a seamless connection to streamline your accounting and financial workflows. I have experience integrating Fiken with various platforms, ensuring accurate data synchronization and user-friendly setups. My work focuses on reliable, error-free processes that save time and reduce manual work. My approach includes assessing your current systems, configuring the integration precisely, and providing support during the transition. Happy to review your current setup and get this back to a stable state.
$20 USD in 7 days
4.1
4.1

Hi, this is a good fit because the real goal is not a new invoicing system, but a clean automation between your operations platform and Fiken. I would start by reviewing how your system stores completed services, customer data, pricing, and order IDs, then map those fields to the Fiken API invoice draft/send flow. The main risk is mismatched data or duplicate invoices, so I’d add simple validation, logging, and a safe “draft first” mode before enabling direct sending. For a simple integration, I’d estimate around 1–2 days depending on your current platform structure and API access. To begin, I’d need Fiken API credentials/docs, sample completed-service data, invoice format rules, and where the trigger should run. Thanks!
$20 USD in 7 days
3.9
3.9

Hi, I am Everett, a software developer with experience in API integrations and automation. I understand you want a seamless connection between your operations platform and Fiken to automatically transfer completed service data and create invoices without manual entry. The best solution is to use Fiken's API to trigger invoice creation whenever a service status updates in your system. I would implement this by setting up an API middleware in PHP that listens for service completion events, extracts the relevant customer and order data, and posts it to Fiken's invoice endpoint. The integration will handle draft or direct invoice sending based on your preference. I can communicate in real time in your time zone and provide a working integration demo within 12 hours of starting. Q1: What is the technology stack and API documentation available for your current operations system? Q2: Do you want invoices created as drafts first or sent directly to customers? Q3: Are there any specific error handling or logging requirements for the integration? What API documentation can you provide for your operations system to facilitate integration with Fiken? Best regards, Everett
$10 USD in 10 days
3.0
3.0

Fiken's REST API is well-documented, which makes this straightforward to set up cleanly. I would build the integration in PHP, map your operations data to Fiken's invoicing and accounting endpoints, and handle the sync logic with proper error handling so nothing silently fails. Can start today and have a working version ready in 2 days. The bid reflects what's in the description. Final numbers depend on details we cover in conversation. Want to jump on a quick call?
$30 USD in 3 days
3.2
3.2

Hi, I can help set up the integration between your operations platform and Fiken so invoices are created automatically when a service is marked as completed. My approach would be to first review how your current system stores completed services, customer details, order lines, pricing, addresses, and tax information. Then I would map those fields to the required Fiken API structure and build a simple integration that sends the correct customer/order data to Fiken and creates either a draft invoice or sends it directly, depending on your preferred workflow. I would also add basic error handling and logging so failed API calls can be reviewed instead of silently breaking the invoice process. To get started, I would need API access to Fiken, details of your operations platform/database/API, invoice field requirements, VAT/tax rules, and whether invoices should be drafts or sent automatically. Estimated timeline: 1–3 days depending on access and current system structure. Regards, Chaz
$30 USD in 1 day
3.1
3.1

Hi! I looked at your scope and the key is mapping your completion event to Fiken's invoice API so customer and order data arrive correctly formatted — no manual entry needed. With 5+ years building API integrations, I have done similar event-triggered invoice flows before. My profile: https://www.freelancer.com/u/cuyodigital I will deliver the listener, Fiken invoice module (draft or sent), error logging, and docs in 1 working day once I have your credentials and a sample payload. Let me know your answers. I can start right away, today Saturday. Ricardo PS. I have a question on the project and I would like you to check the clarification board
$20 USD in 7 days
2.9
2.9

I can help you build a reliable and streamlined Fiken integration that automatically creates invoices based on completed services in your operations platform. Once a service is marked as completed, I will map and transfer customer, order, pricing, and address data to the Fiken API, ensuring invoices are generated automatically as drafts or sent directly to customers according to your preferred workflow. The focus will be on a clean, maintainable integration that eliminates manual data entry while fitting seamlessly into your existing system. I have experience working with REST APIs, third-party accounting integrations, webhooks, and automated business workflows. The implementation will include data mapping, API authentication, error handling, logging, and testing to ensure accurate invoice creation and reliable synchronization between platforms. I will also provide clear documentation so your team can easily manage and maintain the integration moving forward. Estimated implementation time is 3–5 business days, depending on the complexity of your platform and API access requirements. To get started, I would need access to the Fiken API documentation/credentials, details about your operations platform and tech stack, sample customer/order data, and clarification on whether invoices should be saved as drafts or sent automatically. I look forward to discussing the requirements and delivering a smooth, production-ready integration.
$15 USD in 1 day
3.0
3.0

Hi! I can build a clean and reliable integration between your operations platform and Fiken so that invoicing becomes fully automatic when a service is marked as completed. I’ll implement a lightweight integration layer that listens for the “completed service” event in your system, maps your existing customer/order data, and sends it securely to the Fiken API. From there, invoices can be generated automatically as drafts or sent directly, depending on your workflow preference. The focus will be on stability, correct data mapping, and error handling so no orders are missed or duplicated. I’ve worked on API-based automation systems and similar billing integrations, where reliability and clean syncing between platforms is critical. I’ll also include logging and retry mechanisms so failed requests are automatically recovered. Before starting, I’ll confirm exact field mappings and API access so the integration matches your current data structure perfectly.
$100 USD in 2 days
2.8
2.8

Hello, I can create a simple Fiken API integration that automatically sends completed service data from your operations platform to Fiken and creates invoices as draft or sends them directly. I’ll review your current platform structure, then map customer, order, pricing, address, and service data to Fiken’s API. The integration will trigger when a service is marked completed, handle API errors clearly, and log invoice creation status so manual data entry is removed. I have experience with API integrations, automation, backend workflows, PHP/MySQL systems, and clean data synchronization. To start, I’d need Fiken API access, your platform API/database details, invoice rules, and whether invoices should be draft or auto-sent. Estimated timeline: 2-4 days for a focused integration. Best, Smit
$20 USD in 1 day
2.6
2.6

Sarpsborg, Norway
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