Build a User-Friendly Mass Messaging Web App Using Telnyx API (Send + Receive + Delivery Tracking)

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Description: We are seeking a developer to create a web-based messaging system using the Telnyx API (v2). The platform should allow users to: Send SMS messages to large lists of recipients . 50 - 50,000 Receive SMS replies from recipients. Log delivery status for each recipient, including which messages were successfully delivered and which ones bounced. is this all.of the status that ez text provides Display or export Telnyx error codes or failure messages for any failed deliveries. Be sure to reference error codes provided with the assignment. Offer a user-friendly interface designed for individuals with little or no technical experience. Reference Screenshot from eztext do not include eztext logo or name with request The interface should be intuitive, similar in concept to https://www.eztexting.com/ (screenshots included) Core Features: Send SMS messages using Telnyx Messaging API (v2) Receive incoming messages via webhook Track delivery confirmations, failures, and responses Store or export delivery status logs (CSV or JSON) Include error messages and Telnyx error codes with each failed message Upload recipient lists from CSV (supporting at least 10,000 phone numbers) Simple UI for composing and previewing messages Optional login or password protection We Will Provide: Telnyx API Key SMS-enabled Telnyx phone numbers Messaging Profile ID Screenshots of UI reference (EasyText-style layout) Webhook URL or server access if needed Access to official Telnyx developer documentation Deliverables: Fully functional web-based messaging platform integrated with Telnyx Source code (GitHub, ZIP, or equivalent) Basic setup documentation Short walkthrough or demo of how the system works Ideal Candidate: Experience working with SMS messaging APIs (e.g. Telnyx, Twilio, Plivo, etc.) Strong frontend development and clean UX design skills Ability to explain deliverables clearly Proven experience building tools for non-technical users Ability to provide accurate documentation for API Timeline: We would like to see a working prototype within 1–2 weeks. Our start date for the project is 6/27/25 To Apply: Please include: A short description of how you would approach this project Relevant examples of similar applications you’ve built Web Links Your preferred tech stack for this project Estimated completion time and fixed cost pricing

Keyword: App UX/UI

Price: $1.0

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