Client registration and visit confirmation system (MVP)

Budget: 1350 PLN Deadline: 4 days

Ready to create a client appointment system with SMS confirmation for visits — a working MVP, without unnecessary functionality, just what your business needs right now.

What I see for the task: client database → appointment form → automatic SMS sending with a confirmation link → status "confirmed/pending/canceled" in the admin panel. This is a typical scheme for beauty salons, medical centers, service stations — where clients often forget about their appointments and do not show up.

Technical side:
• Backend on Node.js + Express, MySQL for storing clients and appointments
• Sending SMS via Twilight API or TurboSMS — we will choose the optimal service for your country
• Cron job sends reminders 2 hours before the appointment and requests confirmation via a short link
• Simple admin panel with a list of appointments by days and statuses

Experience: I created a similar CRM for a car wash — appointments by locations, SMS reminders via TurboSMS, after implementation the number of no-shows dropped by ~40%. The logic is the same and repeatable — quick launch without surprises.

✅ Work without adventures: we start with agreeing on the database structure and integrating the SMS service (I already have ready solutions).

After delivery — I do NOT disappear. If a question arises or you want to add a new field or function in a month — I will help without additional payment.

Write to me — and in 10 minutes I will outline the technical plan for the first stage:
— which specific fields in the database,
— which SMS service suits you,
— in what format the list of appointments should be in the admin panel. Expand

Budget: 750 PLN Deadline: 1 day

Hello!

We can develop an MVP client booking system for you with the possibility of further scaling without the need to rewrite the architecture when adding new modules.

1. Are you planning to add online client booking and a personal account in the next stages to incorporate this into the architecture from the start?
2. Is it necessary to store the history of SMS, confirmations, and changes to bookings for subsequent auditing of employee actions?

—
About us

We are dZENcode – a full-cycle IT development company: from design and programming to integrations and post-release support of digital solutions.
We create projects from scratch, as well as connect to existing solutions that need refinement, development, or technical support.

You can find detailed information about our services and rates on our official website: Freelancehunt

Take a look – after that we can discuss the details and agree on the next step.

⚠️ After clarifying all the details, we will determine the scope of work, the suitable format of cooperation: task-based, outsourcing, or outstaffing – and the final cost.

With us, projects are guaranteed to reach release:
• 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 contract with the company! Expand

Budget: 15000 PLN Deadline: 7 days

Alexandr, for such an MVP, it is important to immediately establish the correct structure: a shared customer database, separate records for points of sale, a convenient list of visits by days, and a confirmation status next to each record. I have worked on backend services and API integrations, so I can help with the SMS operator and one-time links without unnecessary complexity. I will design the system so that it can be easily expanded into a full-fledged calendar. Shall we discuss the details?

Budget: 1500 PLN Deadline: 3 days

Hello!
I am ready to take on your project and will complete it urgently.
I have extensive experience with similar tasks, and there will be no difficulties.
If I have piqued your interest, feel free to write; I am happy to collaborate!

Budget: 1800 PLN Deadline: 12 days

Alexander, good afternoon. I have worked on systems of this type — client database, appointment scheduling, and auto-confirmation via API. Live working examples (not mockups):
— CRM automation for processing applications: guardlabs.online/demo/crm-recruiting/
— order reception and processing bot: guardlabs.online/demo/kava/

The plan for the first stage (MVP) according to your specifications:
1. User authorization + roles.
2. Client database — adding/editing, searching.
3. Appointment scheduling — creating/editing, confirmation status.
4. List of appointments and a simple calendar by days.
5. Switching between points of sale (shared database, separation by points).
6. SMS integration via API: one-time links for confirming/canceling appointments.

I am laying out the structure with the expectation of phased expansion with new modules, as you plan. Stack: Laravel + HTML/CSS/JS. The timeline for the first stage is 12 working days. Before starting, we will clarify the SMS provider and the final structure of the database. Expand

Budget: 1500 PLN Deadline: 10 days

Good day, for such an MVP I would approach it with a clear architecture: authorization, a shared customer database, records by sales points, and a simple daily list with status filtering. I would also consider SMS integration via API, one-time links for confirmation/cancellation, and displaying the status next to each record. I have 8 years in web development and have built systems with admin panels and APIs. I can quickly assemble a working version and lay the foundation for a future calendar.

Budget: 1200 PLN Deadline: 10 days

Hello. Oleksandr, I see here not just a record, but a working MVP system with a client database, visits, multi-branches, and SMS confirmation via API. I can immediately lay out the architecture so that the list by days can easily be replaced with a calendar without rework. I work with Laravel and Vue, so I will quickly set up authorization, switching between points of sale, and confirmation statuses next to each record. I can propose the structure of the first stage right now.

Budget: 80 PLN Deadline: 3 days

Alexandre, for such an MVP, it is important to immediately establish a convenient structure: a shared client database, separation by points of sale, records by days with confirmation status. I can implement authorization, CRUD for clients and visits, as well as SMS integration via API with one-time links for confirmation/cancellation. I work with Laravel, HTML/CSS/JS and have created similar web systems with phased launches. Let's discuss how to best assemble the first version.

Budget: 2000 PLN Deadline: 7 days

Hello, I worked on a CRM system for a beauty salon — client database, appointments, SMS reminders via API, confirmation statuses. We covered 500+ clients and reduced no-shows by 40%.

I’m curious to know: will the system be used by several administrators simultaneously, or will each point of sale have a separate user?

I suggest we get in touch; I will provide you with free technical consultation and we can create a development plan + I will tell you about my team!

Budget: 362 PLN Deadline: 5 days

Good day. I looked at the technical specifications — I understood that for the MVP, a client database is needed, a list of appointments by days (with time, client, service, employee, and confirmation status), switching between points of sale with a shared client database, and SMS with a one-time link for confirming/canceling the visit. Such a list will later replace a full calendar without breaking the database structure — so I will immediately lay out the tables for appointments and points of sale with scalability in mind. I will implement authorization, CRUD for appointments, a point switcher, and a confirmation page via token from the link, the status of which will be immediately pulled next to the appointment. Please let me know which SMS operator (TurboSMS, SMS Fly, alphaSMS, or another) you plan to work with — this will affect the implementation of the integration. I am ready to deliver a working MVP in approximately 5 days.

Budget: 1000 PLN Deadline: 10 days

Hello!

The task is clear: a compact system for maintaining a client database, appointment records, and confirmations via SMS through a one-time link, with switching between points of sale. Specifically, as an MVP that can be immediately put into real operation and then expanded with modules.

I immediately see the key points of stage 1:
— a general client database with separate appointment lists for each point;
— records with time/service/employee/status, so that the daily list can later be replaced by a calendar without reworking;
— integration with an SMS operator and sending confirmation links;
— a one-time link with a limited duration: the client confirms or cancels the visit, and the status is pulled next to the record.

I will do it on Laravel + Vue, neatly and with an eye on further expansion. I am ready to take it on.

Please let me know which SMS operator you plan to work with (country/service) as the details of integration depend on this. I will provide a reasonable estimate for the timeline and budget for this volume; everything is compact here. Expand

Budget: 8000 PLN Deadline: 15 days

I create booking systems and calendars. During the development period, I will provide a test server (virtual machine) that can be used for demonstration and testing. In my repo, there are samples of a similar platform; if necessary, I can provide links to demo (test) sites of the system with a calendar, appointment management, and appointment creation both from the admin panel (manager or owner panel) and from the public widget.

Budget: 770 PLN Deadline: 7 days

Good day! I am ready to develop an MVP of a client booking system with authorization, a client database, records, SMS API integration, and visit confirmations via a one-time link. I will implement a clear and scalable architecture so that in the future it will be easy to add a calendar and new modules. I am ready to discuss the details and start working soon.

Budget: 1000 PLN Deadline: 15 days

Good day.

The main thing for you is to lay down the correct architecture of the MVP so that new modules can be added in future releases without rewriting the system.

The first stage involves a shared client database, separate records for points of sale, authorization, a list of records by days, integration with SMS via API, one-time links for confirming or canceling visits, and instant status updates next to the record.

I will immediately structure the data in such a way that in the future, the list of records can be replaced with a full-fledged calendar without changing the business logic and API. I will also provide secure one-time tokens with a limited validity period and protection against link reuse.

Separately, we should agree on the SMS provider. If one has not been chosen yet, I can help select an option so that it can be easily replaced in the future without changing the core logic of the system.

Before starting work, I will prepare the database structure and the scheme for the first stage of the MVP for free. After approval, I will immediately proceed to implementation. This will not take much time but will ensure that the architecture fully aligns with your project development plans. Expand

Budget: 4500 PLN Deadline: 14 days

An MVP with one-time links for confirmation is a classic scenario for a web system with a database, authorization, and SMS integration. I will develop it on a backend stack (Python or Node.js depending on your preferences) with a relational database for clients and records, the frontend will be simple and minimalist — a list of records by days with a filter by points of sale, integration with an SMS operator through their API for sending confirmation links, and the confirmation mechanism will be implemented through unique tokens in the URL. I will support the code for free for two weeks after launch — I will help with minor adjustments and settings. Ready to start.

Budget: 1900 PLN Deadline: 10 days

Hello.
I am a Senior developer with ten years of experience.

Full life cycle - from design and MVP to real operation in combat conditions. I have worked on large projects such as online taxi, express delivery, and hypermarket. In each of them, I created my internal CRM system for working with clients, and making the required MVP for you will not be a problem.

I guarantee results and quality; working with me, you won’t have to worry about quality and results. I always create easily extensible MVPs that can be improved and worked on for many years.

Developing such an MVP will take about 50 hours - just over a week, and you will receive the result. I work through escrow, feel free to write, and we can discuss all the details. I am looking for long-term cooperation and project development over many years.

Budget: 1500 PLN Deadline: 14 days

Good day.
I propose to implement it on Next + NestJS. For calendar scheduling, we can integrate Calendly.
I am ready to discuss the details and start working.
I would appreciate the collaboration.

Budget: 4000 PLN Deadline: 28 days

Good day, Alexander.
I can offer you a booking system of my own development for a grooming salon.
I will show you an example. In any case, this will require adaptation for your project, but you will be able to assess the possibilities.
Feel free to reach out.

Budget: 1000 PLN Deadline: 10 days

Good day. The first stage will take a minimum of one or two weeks. Initially, it will be a simple form, a simple admin panel, integration with Twilio (to be discussed). This looks like a long-term project - ready for further support.

Budget: 1500 PLN Deadline: 5 days

Hello ⭐️! I am a highly qualified web developer with over ✅ 7 years of experience in development and modern web technologies.

Recent projects:
✔️https://homenly.com
✔️https://confidence-tech.com
✔️https://homexcrm.com
✔️https://omgfirms.com
✔️https://skyhigh-lviv.com/
✔️https://sweet-sdpearls.de/
✔️https://novobudova.pro
✔️https://aquahub.org.ua
✔️https://boostylabs.com
✔️https://ol.zp.ua
✔️https://emporio-sports.cz

My stack includes:
✅ Frontend: HTML, CSS, JavaScript, React.js, Vue.js, Angular
✅ CMS: Wordpress(woo), OpenCart, Prestashop, Webflow
✅ Backend: PHP, Laravel, CodeIgniter, Python, Django, Flask, Node.js, Next.js
✅ Databases: MySQL, PostgreSQL
✅ Other skills: Git, API integration

Why choose me?
✔️ Fast and quality execution: Your tasks will be completed on time and with impeccable quality.
✔️ API integration: Need seamless integration of third-party APIs? I will take care of that.
✔️ Custom solutions: I take your ideas and turn them into successful web solutions tailored to your business needs.

Let's collaborate and create something amazing together! Expand

Budget: 1000 PLN Deadline: 10 days

Hello.
I will develop the service according to the specifications.
Thank you.
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Budget: 1000 PLN Deadline: 10 days

I am a NextJs, React, NestJs developer. I am ready to take on this task.

Budget: 1500 PLN Deadline: 10 days

Hi there,
I'm Hiroshi, a developer based in Japan who builds backend and admin systems on React and Node.
Two clients get booked for 3pm with the same stylist, because two points of sale create the appointment in separate tabs at the same moment and neither one sees that the slot is already taken, and the owner only finds out about the double booking when both clients show up at once.
I understand the priority at this stage is not the calendar itself, it is a solid MVP foundation that can grow with new modules later without reworking the structure.
What I would own is the full backend and admin system behind it.
User authorization, a client database shared across all points of sale, a daily list of appointments showing client name, service, employee and confirmation status, switching between points of sale, and integration with an SMS provider for one time confirmation and cancellation links.
There is a point worth building into the database structure from day one.
Booking a specific employee at a specific time needs protection against double booking enforced at the database level, not only checked in application code, and the one time confirmation link needs to be random, time limited, and handled idempotently, so a repeated click or a retried SMS API call never leaves the appointment in a conflicting state.
I have built similar systems with roles, confirmations and action auditing at MoveSave, where I acted as CTO, and that experience is in my portfolio.
I hope we can talk here about the details of the project, and one question would help right away with scoping.
Is an SMS provider already chosen with available API documentation, or is selecting and integrating one also part of this project.
An MVP is only as good as its ability to hold up when two staff members and a queue of clients hit it at the same time, and that is exactly what I build into the foundation from day one. Expand

Budget: 2500 PLN Deadline: 20 days

Hello. I have been working with React and Node.js for over 9+ years. I am ready to implement on Next.js/Nest.js.

Budget: 1000 PLN Deadline: 1 day

Hello, Alexander!
This is a well-thought-out MVP with a clear roadmap, and I like the phased approach because it allows for maintaining the simplicity of the initial version while preparing the architecture for future expansion.
I would build the system using Next.js, NestJS, PostgreSQL, Prisma, and JWT authentication with a modular structure so that features like a full calendar, notifications, analytics, and additional modules can be added without refactoring the core system.
The MVP will include user authentication, a shared client database, appointment management, switching between service points, daily appointment lists, integration with SMS API, one-time links for confirmation, and real-time status updates.
The one-time confirmation process will use secure tokens with an expiration date, allowing clients to confirm or cancel appointments without creating an account while maintaining a complete audit trail.

The database will separate clients, service points, appointments, staff, and SMS history, simplifying scaling as the system grows.

Such architecture ensures fast application performance, ease of maintenance, and readiness for implementing future features like calendar view, recurring meetings, online booking, and reporting.
I would like to discuss this with you.
Thank you. Expand

Budget: 1200 PLN Deadline: 10 days

Hello. I can complete your task in PHP. I can start right now. Contact me, and we will discuss in more detail. We will agree on the price and deadlines.

Budget: 1500 PLN Deadline: 10 days

Hi,

I can develop the appointment management system with SMS confirmation. I have experience building business management systems, API integrations, and booking platforms.

I understand the MVP scope: user authentication, client database, appointment creation and management, multi-location switching with shared client database, SMS operator API integration for sending confirmation links, one-time link generation for client confirmation or cancellation, and confirmation status display on appointment list.

I recommend Next.js frontend, Node.js backend, PostgreSQL for relational data (clients, appointments, locations), JWT authentication, and SMS API integration (Twilio or your preferred provider). Architecture will support easy calendar upgrade in future stages without restructuring.

I am available immediately. Please share which SMS operator you use so I can confirm API compatibility.

Thanks, Youssef Expand

Budget: 100 PLN Deadline: 1 day

Good day.

I have 7+ years of experience in website and web system development. Your task is clear: a simple, user-friendly MVP system for client appointments, a client database, and visit confirmations via SMS/API.

I propose to implement it on Laravel + MySQL/PostgreSQL to ensure the system is stable, secure, and easily expandable in the future.

What I will do in the first stage:

user authorization;
client database;
creation/editing of appointments;
list of appointments by days;
switching between points of sale;
integration with the SMS operator via API;
one-time links for confirming/canceling visits;
confirmation status next to each appointment.

I work in stages: first the MVP for real use, then we can add a full calendar, roles, analytics, payment, reminders, and other modules. Expand

Budget: 1000 PLN Deadline: 7 days

Hello!!!

I will create a simple minimalist web system for you so that the project can be scaled and new features can be added.

Feel free to reach out.

Budget: 500 PLN Deadline: 5 days

Hello.

I am a NodeJS developer. I can create such a system for you. Write to me, and we will discuss.

Budget: 1000 PLN Deadline: 10 days

Hello.
I can implement and then scale it on a regular basis.
Message me privately - I will provide a link to the created and functioning service, made personally: architecture, front-end, back-end, and deployment.
For your task, I am ready to write a complete technical specification.

Budget: 1000 PLN Deadline: 14 days

Hello! I can implement your client booking system with a database and SMS integration via API. I have experience in developing similar projects in Python. I am ready to discuss the details.

Budget: 12000 PLN Deadline: 30 days

Ready to help you. I have all the necessary experience and have worked with SMS gateways multiple times. Message me privately, I'm sure we can come to an agreement.

Budget: 1000 PLN Deadline: 3 days

Good day!

I will do everything quickly and efficiently, without any problems.

I already have ready-made modules for such systems — a calendar and a list of records, a client database, authorization, switching between points of sale with a shared database. They can be reused, so we will assemble the MVP much faster than from scratch.

I have similar experience: I wrote the backend from scratch for the booking service web.rstays.com — there are bookings, statuses, roles, and integrations. SMS confirmation via a one-time link and working with the operator's API is also not a problem.

Examples:
https://momicro.com
https://web.rstays.com
https://ai-desk.ai

GitHub: https://github.com/axbuglak

Write to me — we will discuss the details, cost, and timelines.

Sincerely, Oleksiy Buglak Expand

Budget: 500 PLN Deadline: 10 days

Good day!
I have already developed a similar system on Laravel.
I can create an MVP for you in a short time.
Feel free to reach out, and we will discuss all the details.
I will send you an example of a similar project in private.

Budget: 25000 PLN Deadline: 14 days

A web system is needed where the administrator manages a client database, creates records for appointments, and the client receives an SMS with a one-time link to confirm or cancel the visit.

I will create it using Python (FastAPI) + PostgreSQL + a lightweight front end on Vue 3. Three key solutions: one-time tokens for confirmation are stored with TTL and invalidated after the first access to prevent double confirmation; SMS are sent through queues (Celery + Redis) to avoid blocking the UI and to have retries in case of operator failures; multi-point functionality will be implemented using tenant_id at the record level, with a shared client table to avoid duplication. The list of records by days with a timeline will be designed so that a calendar view can be easily integrated later without changing the API.

Which SMS operator do you plan to use, or do you need to find an option for the UA market?

Budget: 2000 PLN Deadline: 20 days

This is an ideal task for the bubble.io platform. There, you can create a project and continuously refine and improve it. You can also create a mobile application there. It's very convenient - everything will be in one box. Write to me. I will tell you more.

Budget: 1000 PLN Deadline: 14 days

Good day!
I have read the specifications completely - a client booking system with SMS confirmation via one-time links, MVP with the possibility of expansion. The task is clear.
I noticed a key detail: one-time links for confirmation/cancellation are tokens in the database with an expiration date. The client clicks the link → the system updates the booking status → the administrator sees the change in real-time. It will be implemented cleanly, without unnecessary complexity.
Stack: Python (FastAPI) + PostgreSQL + Jinja2 for the interface. Or PHP + MySQL if there is a hosting preference. SMS through Turbosms, Alphasms, or another operator of your choice - connected via their REST API.

I will do the following:
Authorization - login/password, sessions, protection
Client database - adding, editing, searching by name/phone
Bookings - creating/editing/canceling, linking to the client, services, employee, time
List of bookings by days - chronological, with name/service/employee/confirmation status
Switching between points of sale - shared client database, separate bookings
SMS integration via operator API - custom text or link
One-time links - confirmation/cancellation by the client, auto-updating status
Simple minimalist interface - convenient on the phone for the administrator

I would like to clarify 2 points:
Which SMS operator do you plan to use - Turbosms, Alphasms, or is one already chosen? This affects the integration.
Is hosting available or do you need a recommendation - the system requires VPS (not shared hosting) for Python/FastAPI.

Cost: from 1000 PLN for MVP / Timeline: 14–16 days.
Please send details about the SMS operator and hosting - let's get started.

—
Denys Ivanchенко · WordPress developer / Python development Expand

Budget: 500 PLN Deadline: 1 day

Good day, Alexandr!
Overall, the task is clear. To provide an accurate response regarding the deadlines and price, I would like to clarify some questions that arose after analyzing your task.
Please write in private messages – we will discuss the details and your wishes.

Budget: 1234 PLN Deadline: 1 day

Hello! I have experience in web system development, integration with SMS services via API, and working with databases (MySQL). I would be happy to help you!

Budget: 1500 PLN Deadline: 7 days

Good day, I am ready to take on the work, I have experience in creating similar websites, as well as with integrations through external APIs.

I am attaching my portfolio website https://dake-cart.xyz/

Budget: 1234 PLN Deadline: 3 days

Good day. I am ready to implement such a system for you. 3 days. 10,000 UAH.

Budget: 1143 PLN Deadline: 14 days

Alexandr, I understand that you need to quickly launch a tool that will eliminate manual appointment confirmations and free up administrators' time. You want to have an easy client database with the ability for online appointment confirmation via SMS link to minimize no-shows. For the MVP, I will focus on creating a clear appointment table linked to locations, set up integration with an SMS service for automatic triggers, and create a simple page for the client where they can click a confirmation button. This will allow real-time updates of appointment status in your database. Which SMS gateway do you plan to use for the messages, or which one have you currently settled on?

Budget: 100 PLN Deadline: 1 day

Good day, I am ready to complete your task quickly and efficiently. I have extensive experience in creating various bots. Please write to me in private messages to discuss the details. I would be happy to help :)