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By Subs
Subs offers an SDK to help businesses manage blockchain subscriptions using Stellar's Soroban smart contracts.
Subs SDK is an all-in-one development toolkit specifically designed to enable developers to create, manage, and optimize subscription-based Dapps on Stellar. With a focus on recurring crypto payments, Subs SDK simplifies the integration of blockchain-based subscription services, making it easier for businesses to leverage Stellar’s technology to offer subscription models without complexity.
Managing recurring payments and subscriptions in blockchain environments can be a complex and time-consuming process, particularly for businesses that are accustomed to traditional payment systems. There is a lack of straightforward solutions that combine ease of use with the security and transparency of decentralized payments, making it difficult for companies to adopt blockchain-based subscription models efficiently.
Subs provides a comprehensive SDK that simplifies the creation and management of recurring payment services on Stellar. The Subs SDK offers the following key components:
1. Recurring Payments Automation: - Description : Subs SDK simplifies the creation and management of automated, recurring payment systems on Stellar. This allows businesses to handle subscription models with ease, ensuring that customers' payments are processed automatically without manual intervention. With features like smart contract automation, developers can build robust, scalable recurring billing systems in no time. - Avantage : Simplifies payment collection and subscription management for businesses, with transparent on-chain validation.
2. Flexible Subscription Models: - Description : The SDK supports a variety of subscription models, including daily, weekly, monthly, or yearly subscriptions, with the ability to customize trial periods, SEP-41 token types, and pricing structures. It also allows for "buy-now, pay-later" schemes and partial payments. - Avantage : Businesses can tailor subscription plans to their specific needs, increasing flexibility and customer satisfaction.Additionally, Subs ensures that all smart contracts are regularly maintained and "bumped" to prevent automatic deletion, so businesses don't have to worry about contract expiration or disruption of services.
3. Sponsored Transactions for End-Users: - Description : Subs SDK integrates a sponsored transaction system where businesses can absorb transaction fees, allowing users to subscribe without worrying about network fees. This is particularly useful in onboarding new crypto users who may be unfamiliar with Stellar's native gas fees. Additionally, users could benefit from a faucet option, where merchants can provide the XLMs needed to activate their addresses and sponsor transactions, further simplifying the onboarding process. - Avantage : This approach improves user experience by removing common friction points in blockchain transactions, increasing subscription rates. By offering both sponsored transactions and a merchant-supported faucet, we make it easier for new users to engage with the platform and participate in the ecosystem.
4. Multi-Currency Support and Cross-Chain Compatibility: - Description : Subs SDK will support multiple tokens such as stablecoins like USDC. - Avantage : This feature will attract businesses that operate globally and need to cater to users using different currencies.
5. Data Privacy and Decentralized Security: - Description : Leveraging Stellar's Soroban smart contract framework, Subs SDK ensures all payment transactions and subscription data are securely stored on-chain without exposing sensitive personal information. Data is stored on Aleph and encrypted, similar to how emails are secured, guaranteeing that subscription details are immutable and verifiable. - Avantage : Ensures compliance with data privacy regulations, reassuring businesses and users that their financial and personal data are secure.
6. Developer-Friendly Tools & API Integration: - Description : Subs SDK offers robust API support, that provides real-time insights into subscription performance, customer retention, and payment success rates. - Avantage : Developers can save time and effort by integrating external services and leveraging a complete development toolkit. Additionally, They will have a new way to monetize their work through a subscription model or recurring donation.
By leveraging Stellar's smart contracts, Subs SDK simplifies subscription management, payments, and user interactions without requiring developers to deploy new contracts. With pre-built, audited contracts, it ensures security and ease of use. 1. Subs SDK with Soroban Contract Interactions: - The SDK offers existing Soroban-based smart contracts for subscription management, allowing developers to plug into these contracts without complex deployment. - Interaction with Existing Contracts: Developers can easily call predefined methods for creating subscriptions, processing payments, and managing renewals or cancellations. - Flexible Subscription Logic: The SDK supports various subscription models, fixed-term, recurring, or usage-based, enabling customization without changing the underlying contracts. - Admin Control: Authorized business accounts can manage settings like pricing and trials directly through the established contract, simplifying oversight. - No Deployment Needed: Focused on interaction, the SDK streamlines development, allowing businesses to integrate subscription functionality with reduced complexity.
2. Subs SDK with API: - Fetch data from Existing Contracts: The API facilitates easy access to subscription contracts, enabling businesses to query statuses and manage payments. - Webhooks for Notifications: Real-time notifications for important events, such as payments and cancellations, enhance business responsiveness. - Gasless Transactions: The API enables businesses to absorb transaction costs, improving user experience by eliminating blockchain fee concerns.
3. Subscription Management Platform: - Subs offers a hosted frontend platform that businesses can use to redirect users for payment and subscription management without direct SDK integration. - User Redirection for Signup: Businesses can redirect users to the Subs platform for easy subscription management. - Self-Hosted Management: Users can handle subscriptions, canceling, renewing, or upgrading, without using the SDK, offering flexibility. - Multi-Tier Subscription Options: The frontend supports different subscription plans, with actions processed through Soroban's smart contracts. - Business Dashboard: A simple dashboard provides insights into active subscriptions and payment statuses, giving businesses a complete overview without needing coding skills.
Yes
$139.5K
To measure the success of Subs SDK, we will focus on a series of quantifiable KPIs that evaluate our impact across adoption, developer engagementand business metrics. Additionally, we will track the broader impact of Subs in terms of increasing financial access, enabling businesses to implement recurring payments globally, and improving financial inclusion.
Our go-to-market strategy for Subs SDK on Stellar is designed to ensure widespread adoption and effective usage across multiple sectors. We are primarily focusing on ecosystem partnerships and financial institution onboarding to drive growth. Given our B2B focus, we are targeting startups, SaaS platforms, content creators, and fintech companies that can benefit from integrating subscription-based payment systems.
We aim to partner with startups and businesses across the Stellar ecosystem to integrate Subs SDK for managing recurring payments. By collaborating with various Web3 and Web2 companies, we aim to establish Subs as the go-to solution for businesses looking to adopt subscription models on Stellar.
Integrator for Subscription Development: We will provide hands-on integration services to help startups and businesses efficiently implement subscription models using Subs SDK. Our team will assist with setting up recurring payments and managing subscriptions directly through Soroban smart contracts.
Technical Consulting: We will offer expert consulting services to guide businesses through the integration process, ensuring they can smoothly integrate blockchain-based subscription services with their existing platforms.
We are targeting global financial institutions in regions such as Latin America, Africa, and Southeast Asia to help them integrate Subs SDK for recurring payments and subscription services. These regions are experiencing rapid growth in fintech adoption, and many financial institutions are looking for innovative blockchain solutions to handle recurring payments and financial products. Subs SDK offers a powerful tool for financial products like subscription services, automated recurring payments, and lending models.
**Target Audience:**We are engaging with major banking groups and fintech companies across these regions to introduce Subs SDK as a solution for developing subscription-based financial services. Our focus is on banks, microfinance institutions, and digital payment platforms that can leverage blockchain for recurring payment systems, including micro-lending, insurance premiums, and bill payments.
Our marketing strategy focuses on building awareness and credibility for Subs SDK in both the blockchain and traditional financial sectors. We will leverage a mix of content marketing, social media, and community engagement to grow our presence.
By executing this go-to-market strategy, Subs SDK will position itself as the leading toolkit for managing recurring payments and subscriptions on Stellar.
At Subs, our vision is to deliver a global subscription management solution that integrates seamlessly with Stellar's blockchain infrastructure. Through our market research, we've identified a significant demand for recurring payment systems across various industries, especially in regions where traditional banking systems are either inefficient or inaccessible. This is why we believe Stellar, with its focus on cross-border payments and financial inclusion, is the ideal platform to power our subscription solution.
Market Research and Identified Needs Through our preliminary market research, we’ve observed key trends in the adoption of subscription services across multiple world sub-regions, particularly in markets that are expanding their digital financial infrastructure. Our research focused on businesses operating in regions like Latin America, Africa, and Southeast Asia, where cross-border payments and recurring financial services like micro-lending, mobile payments, and subscription models are rapidly growing.
We chose Stellar for two main reasons:
Stellar’s focus on financial inclusion aligns with our goal to bring decentralized recurring payments to regions where traditional financial services are underdeveloped. By leveraging Stellar’s Soroban smart contracts, we are offering a blockchain solution that will empower businesses to manage recurring payments and subscriptions, especially in markets where banking services are less reliable.
Description: This milestone involves developing the Soroban-based smart contract that powers the core functionality of Subs. The smart contracts will manage recurring payments, subscription creation, cancellation, renewal, and other core processes. The contract will be optimized for scalability and security to handle high transaction volumes on Stellar.
**How to Measure Completion:**Completion will be measured by deploying the smart contract on Stellar’s testnet. The contract will undergo internal testing to ensure it handles subscription lifecycles (e.g., automated payments, renewals, cancellations) and security audits to verify its robustness.
Description: Develop the first version of the core layer of Subs SDK, which will allow developers to interact with the pre-deployed Soroban smart contracts. The SDK will provide methods for businesses to create, manage, and monitor subscriptions without needing to write new contracts.
**How to Measure Completion:**Completion will be measured by releasing this version of the SDK with full documentation and integration examples on GitHub. Testing will ensure the SDK’s ability to interact with the smart contracts, handle subscription-related functions, and manage user payments.
Description: Develop a subscription page to allow users to subscribe.
**How to Measure Completion:**Completion will be measured by the deployment of the frontend.
Estimated date of completion: December 20, 2025 Budget: $7,220
Description: Add stellar to Subs API that will enable businesses to integrate the subscription management features of Subs into their own backend systems. The API will allow businesses to handle subscription data, payment datas, gasless transactions & faucet system…
How to Measure Completion: Completion will be measured by releasing API documentation with stellar endpoints and examples. The API should be able to interact with the Soroban smart contracts and be used by beta testers during the testnet phase.
Description: Develop a stellar frontend version platform that allows businesses and users to manage subscriptions without needing to integrate the SDK directly into their own systems. The platform will be hosted and will provide businesses with the ability to redirect users for subscription management (e.g., signups, cancellations, renewals).Additionally, the platform will be clonable if desired, giving businesses the flexibility to customize it for their specific needs.
**How to Measure Completion:**Completion will be measured by the deployment of the frontend. It will include basic features for subscription management and interactions with the smart contracts. User feedback from testing on testnet will be collected and used for further refinement.
Description: Launch Subs SDK, API, and frontend platform on Stellar’s testnet. This will be the beta phase where select businesses and developers will be able to test the full suite of features, including SDK interactions, smart contract automation, and frontend usability for subscription management.
**How to Measure Completion:**Completion will be measured by a successful testnet deployment and feedback from beta testers. Performance metrics such as subscription creation, recurring payments, and transaction success rates will be evaluated.
**Estimated Date of Completion:**February 28, 2025 Budget:$19,670
Description: Deploy the Subs SDK, API, and frontend platform on the Stellar mainnet. This will mark the official release, allowing businesses to use Subs for live subscription payments and recurring billing on the Stellar blockchain.
**How to Measure Completion:**Completion will be measured by a successful mainnet deployment. Key performance indicators such as the number of businesses using Subs, the total value of recurring payments, and the number of transactions processed will be tracked to measure success.
Description: Following the mainnet launch, this phase will focus on refining the Subs SDK, API, and frontend platform based on user feedback.
**How to Measure Completion:**Completion will be measured by successful implementation of additional features and improvements. We will also track customer satisfaction through feedback and usage metrics (e.g., increased transactions, reduced failures).
**Estimated Date of Completion:**April 30, 2024 Budget:$17,090
1) Ferdinand Attivi - CEO & Co-founder Ferdinand is a blockchain expert with over six years of experience in the industry. He has a background in architecture and development, specializing in smart contracts, decentralized applications (Dapps), and blockchain integration. Ferdinand co-founded Subs after identifying a critical need for decentralized recurring payment systems that operate seamlessly on blockchain networks. He has been instrumental in building the core architecture of Subs on several blockchain testnets and is now leading the integration of Subs SDK with Stellar’s Soroban smart contracts. His expertise in decentralized solutions and his commitment to innovating subscription management tools have made him a driving force behind Subs.
2) Esteban Pinon - CTO & Co-founder Esteban holds a Master's degree in computer science and has a strong background in blockchain infrastructure, testing, and deployment. With expertise in managing complex blockchain infrastructures and deploying Dapps, he oversees the development of the Subs protocol and all technical integrations. Esteban has played a crucial role in ensuring the scalability and security of Subs, handling testing and infrastructure deployment for the entire protocol. His focus on ensuring that smart contracts perform optimally across multiple blockchains, including Stellar, has made him a cornerstone of the technical team.
Esteban Pinon
Ferdinant Attivi
Elom
Esteban
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