Expected duration: less than 1 week A developer is needed to build a dynamic landing page on Carrd.io that will parse URL parameters and validate offer codes via a Make webhook. The page will check if an offer ID, member email, and expiry date sent in the URL are active in Airtable. It will call a Make scenario to validate against offer, member, and redemption data and return status messages to the user. The successful candidate will provide thoroughly documented JavaScript, HTML, and CSS to extract parameters, make API calls, and display responses based on validation checks for inactive offers, expired codes, or prior redemptions. The goal is a simple, low-cost solution within existing Carrd Pro Plan, Make, and Airtable plans. I am happy to do the work in Make and Airtable myself but I need workable JS code so I expect it to be a quick job for someone with relevant skills. Budget ~GBP£100.
DETAILED BRIEF:
**Project Overview** I am seeking a freelance developer to assist with the implementation of JavaScript for a landing page built on Carrd.io. The landing page will parse three URL parameters and send them to a webhook in Make for validation. The results will then be returned to the landing page to indicate whether the offer is valid or invalid.
**Current Setup** - **Platform**: Carrd.io for the landing page. - **Webhook**: Currently configured in Make to process incoming data. - **Data Source**: Airtable Base containing promotion and member data.
**Key Requirements** 1. **JavaScript Development**: Provide the necessary JavaScript code for the landing page to handle URL parameters and webhook interactions. 2. **Webhook Configuration**: Review and assist in setting up the Make webhook scenario to ensure it correctly returns responses to Carrd.io.
**Use Case** 1. Diner member is sent a QR code by email 2. Presents this to restaurant staff who scan it using device camera and it opens a browser 3. The url goes to a landing page 4. The url has parameters for Offer Code ("offerID") and member's email address ("email") and expiry date ("expirydate") used for validation checking and additional parameters used to display on the landing page as static text, “offer description” and “offer conditions”.
**Validation Workflow** When the "VERIFY OFFER" button is clicked by restaurant staff on the landing page, the following checks should be performed via Make and Airtable: 1. **Offer Validity**: Check if the offer ID is marked as "Active" in the "Offers" collection. 2. **Member Validity**: Validate the member's email against the "Members" collection to ensure it is "Active". 3. **Redemption History**: Check the "Redemptions Logs" collection to see if the member has previously redeemed the offer using their email and offer ID. 4. **Expiry Check**: Ensure the current date is before or on the expiry date from the URL parameter.
**Response Messages** Based on the validation checks, return the following messages: - If the offer is inactive: "OFFER IS NO LONGER AVAILABLE" - If the member is inactive or not found: "USER NO LONGER A MEMBER" - If the offer has been previously redeemed: "NOT VALID, PREVIOUSLY USED ON [date]" - If the offer is expired: "OFFER EXPIRED" - If valid, create a record in the Airtable's Redemption Log Table with the validation date, member's email, and offer ID.
**Instructions Required** - Detailed, step-by-step instructions for building the landing page, including: - Element IDs - JavaScript code - Configuration settings for Make and Airtable - Simplified language suitable for a non-technical user.
**Considerations** - Aim for a low-code solution to minimize complexity. - Keep costs within existing subscriptions (Carrd, Make, Airtable). - Avoid potential CORS issues. - Anticipate low validation volume.
**Additional Information** Please let me know if you require further details on the current setup or specific technologies in use to provide a competitive quote.
Cálculo Estructura WC Grúa Category: Building Information Modeling, Construction Engineering, Construction Management, Design Optimization, Engineering Drawing, Finite Element Analysis, Mechanical Engineering, Project Management, Structural Engineering, Technical Documentation Budget: €30 - €250 EUR
18-Nov-2025 16:55 GMT
Realistic AI Campaign Imagery Category: AI Art Creation, AI Content Creation, AI Design, AI Image Editing, AI Generated Art, Graphic Design, Illustration, Logo Design, Midjourney, Photoshop Budget: $30 - $250 USD
18-Nov-2025 16:54 GMT
Diseñador Gráfico para Publicidad Digital Category: Photoshop, AI Design, Animation, Graphic Design, Logo Design, Motion Graphics, Video Ads, Video Editing, Video Services Budget: €12 - €18 EUR
Traditional Home Interior Design Category: 3D Modelling, 3D Rendering, Building Architecture, Furniture Design, Home Design, Interior Design, Mood Board Budget: £10 - £20 GBP
18-Nov-2025 16:49 GMT
Pobranie i upload PDF Category: Admin Support, Data Entry, Data Management, Data Processing, Excel, PDF, Web Scraping, Web Search Budget: $30 - $250 USD
18-Nov-2025 16:49 GMT
Corporate Business Website Development Category: CSS, HTML, Java, PHP, Python, Web Development, Web Design, Website Optimization Budget: ₹12500 - ₹37500 INR
18-Nov-2025 16:48 GMT
I need someone to remove the lines on my bed Category: Design Optimization, Furniture Assembly, Furniture Design, Furniture Removal, Home Design, Interior Design, Metal, Project Management, Sewing, Textile Engineering Budget: £10 - £20 GBP
California Academy Emergency Paging System Category: A / V Systems, Broadcast Engineering, Compliance, Network Engineering, Project Planning, Risk Management, Signal Processing, Technical Documentation, Technical Support, User Experience Research Budget: $250 - $750 USD
18-Nov-2025 16:48 GMT
AI Customer Service Automation Category: AI Chatbot Development, Android, API Integration, Chatbot, Java, Natural Language Processing, PHP, Software Testing Budget: €30 - €250 EUR
TÜV-Kommunikation für strukturelle Umbauten Category: Article Writing, Building Regulations, Civil Engineering, Construction Management, German Translator, Project Management, Research Writing, Translation Budget: min €36 EUR
