LumenQuery Blog
Insights, tutorials, and updates from the LumenQuery team
Stellar Protocol 27 "Zipper": What Developers Need to Prepare Before the July Mainnet Vote
SDF published the Protocol 27 upgrade guide on June 4. Here is what changes, what breaks, which SDK versions you need, and how to test on the testnet before the mainnet vote.
Recent Articles
Circle CCTP on Stellar: How Cross-Chain USDC Transfers Change the Developer Opportunity
Circle CCTP went live on Stellar on May 19, enabling native USDC movement between Stellar and other supported chains. Here is what it means for builders and how to integrate.
DTCC + Stellar: Why Tokenized Securities Could Become Stellar's Biggest Institutional Catalyst
DTCC announced that DTC-tokenized assets are expected to become available on Stellar in 1H 2027, with potential asset classes including Russell 1000 constituents, ETFs, and U.S. Treasuries.
Alchemy Adds Stellar Support: What It Means for RPC Infrastructure Competition
Alchemy announced Stellar support on April 16, adding another major player to the managed RPC market. We analyze what this means for developer infrastructure and how LumenQuery compares.
How to Build a Stellar Payment Status Page with LumenQuery APIs
A practical developer guide to building a live payment status page that shows confirmations, failed transactions, ledger settlement progress, and real-time payment tracking using the Horizon API.
All Articles
Stellar API Rate Limits Explained: How to Design Apps That Don't Break in Production
Public Horizon endpoints rate-limit aggressively. Learn how rate limits work across Stellar infrastructure, how to architect around them, and when to upgrade from free endpoints to managed API access.
How to Track Token Velocity on Stellar for Stablecoins and RWAs
Token velocity reveals whether an asset is being used or just held. Learn how to measure it on Stellar for USDC, EURC, and tokenized real-world assets using the Horizon API and LumenQuery analytics.
Building Compliance-Friendly Stellar Apps: Logging, Auditing, and Transaction Traceability
For fintech, institutional, and RWA applications on Stellar, compliance is not optional. This guide covers transaction logging, audit trails, traceability patterns, and how to build apps that regulators can trust.
How to Build a Stellar Payment Dashboard Using Horizon API Data
A step-by-step developer tutorial showing how to display account balances, payment history, ledger info, and transaction status using the Stellar Horizon API.
What Is Soroban RPC and Why It Matters for Stellar Smart Contracts
New to Soroban? This guide explains what Stellar RPC is, how it differs from Horizon, and why it is essential for building and interacting with smart contracts on Stellar.
Stellar for Stablecoin Payments: Why Low Fees and Fast Settlement Matter
USDC has 2.1 million holders on Stellar. MoneyGram settles remittances on it. Here is why Stellar is becoming the default rail for stablecoin payments.
How to Track Live Stellar Transactions in Real Time
Stream decoded Stellar transactions as they happen using SSE, Horizon cursors, and the LumenQuery live transaction viewer. Includes working code examples.
Building a Blockchain Explorer for Stellar: Core Data You Need
Accounts, ledgers, transactions, assets, operations — the five pillars of a Stellar explorer. Here is how to query and display each one.
Stellar Smart Contract Events Explained for Soroban Developers
Soroban contract events are your primary observability tool. This guide covers how to emit, query, filter, and monitor events in production.
How API Rate Limits Affect Blockchain Applications in Production
Rate limits are the silent killer of blockchain apps. Learn how they work, how to optimize your usage, and when to upgrade from free to paid infrastructure.
Using Natural Language Search to Query Stellar Blockchain Data
Type "top 10 XLM holders" and get results. LumenQuery's natural language query turns plain English into Horizon API calls — no SDK knowledge required.
Horizon API vs Stellar RPC: Which One Should Your App Use?
Horizon indexes historical blockchain data. Stellar RPC gives you real-time contract state and simulation. Here is when to use each, and when you need both.
How to Build a Production-Ready Stellar App Without Running Your Own Node
Running your own Horizon or Soroban node means disk management, ledger lag monitoring, and 24/7 uptime. Managed infrastructure lets you skip all of that and ship faster.
Soroban Smart Contract Monitoring: What Developers Should Track in Production
Your contract is deployed. Now what? We cover the events, errors, storage changes, and latency metrics you should be watching — and how to set up alerts before something breaks.
Real-Time Stellar Transaction Monitoring for Exchanges, Funds, and Compliance Teams
Watchlists, whale alerts, suspicious flow detection, and webhook notifications. How institutional teams monitor the Stellar network in production.
How to Query Stellar Accounts, Ledgers, and Transactions with JavaScript
A practical tutorial using the Stellar SDK and Horizon API. Fetch balances, parse operations, page through results, and handle errors — with working code examples.
Why Real-World Asset Tokenization Is Growing on Stellar
From Franklin Templeton's BENJI to $2B+ in onchain RWAs, Stellar has become a top-three chain for tokenized assets. Here is why institutions keep choosing it.
Stellar API Rate Limits Explained: How to Choose the Right Plan for Your App
Public Horizon endpoints rate-limit aggressively. We break down usage patterns from hobby projects to enterprise integrations and help you pick the right tier.
How to Monitor Stellar Network Health: Ledgers, TPS, Latency, and RPC Availability
Whether you run a validator or just depend on the network, understanding Stellar's health metrics matters. Here is what to watch and how to set up monitoring.
Stellar Is Powering Bermuda's Plan for a Fully Onchain Economy
SDF announced on May 12 that Stellar will underpin Bermuda's effort to move government and financial payments onchain. Here is what the partnership means for the network and for builders.
Onchain RWAs on Stellar Surpass $2 Billion: Inside the Network's Biggest Growth Story
Real-world asset tokenization is Stellar's defining narrative in 2026. With SDF's strategic investment in Ascend and over $2B in onchain RWAs in Q1, here is where things stand.
Figure Launches YLDS on Stellar: What Tokenized Yield Means for Institutional Adoption
Figure's YLDS token went live on Stellar on May 5, adding another institutional-grade tokenized yield product to the network. We break down the mechanics and implications.
XLM at $0.16 in May 2026: On-Chain Strength Behind a Quiet Price
Stellar Lumens is trading around $0.16 with market chatter focused on the $0.16-$0.17 range. We look at what the on-chain data says beneath the surface-level price action.
Franklin Templeton and Stellar Mark 5 Years of BENJI: The Tokenized Money Market Fund That Started It All
BENJI, the first U.S.-registered money market fund on a public blockchain, celebrates five years on Stellar. We explore what this milestone means for RWA tokenization and why institutional finance keeps betting on Stellar.
XLM at $0.159: Stellar Holds Steady at #19 by Market Cap in May 2026
Stellar Lumens trades around $0.159 with a $4.7B market cap, holding its position in the top 20. We break down the on-chain fundamentals, volume trends, and what the current valuation says about the network.
Stellar in 2026: How SDF Is Positioning the Network Around Payments, DeFi, and Asset Tokenization
From cross-border remittances to tokenized treasuries and institutional DeFi, the Stellar Development Foundation is doubling down on real-world use cases. Here is where the network stands today.
XLM Technical Analysis: Can Stellar Break Above $0.20, or Is $0.14 Support the Next Test?
Market chatter is focused on whether XLM can clear the $0.18-$0.20 resistance zone. We examine the key levels, on-chain signals, and broader crypto sentiment shaping the next move.
MoneyGram and Stellar Extend Partnership to Scale Real-World Stablecoin Utility Globally
MoneyGram and SDF announced a multi-year partnership extension to scale stablecoin-powered remittances across 200+ countries. With $4.2B in USDC volume and 500K agent locations, the developer opportunity is massive.
Why Regulatory Clarity Is the Most Bullish Case for Stellar and XLM
From the GENIUS Act to XLM's commodity classification, regulatory clarity is unlocking institutional adoption at scale. Here's why Stellar's compliance-first design gives it a structural advantage.
XLM Price Analysis: What Whale Accumulation and On-Chain Metrics Tell Us
A 7.03 billion XLM exchange outflow, growing network usage, and improving regulatory clarity paint an interesting picture. We analyze the on-chain data behind the accumulation thesis.
Stellar (XLM) and the $236B Economy Redefining How Value Moves Online
With $55.6B in payment volume, $1B+ in tokenized RWAs, and the x402 protocol enabling AI agent micropayments, Stellar is building the infrastructure for a new kind of economy.
Stellar Hits Record 14.1 Million Transactions in a Single Day
The Stellar network reached a historic milestone with over 14.1 million transactions processed in 24 hours, signaling explosive growth in on-chain activity and real-world adoption.
Protocol 26 (Yardstick): Stellar's Next Major Upgrade Goes Live on Testnet
The testnet for Stellar's Protocol 26 upgrade, codenamed Yardstick, went live on April 16, 2026. Here's what developers need to know ahead of the mainnet vote in May.
Mercado Bitcoin and RedSwan Bring $300M in Real World Assets to Stellar
Mercado Bitcoin announced a $200M RWA issuance and RedSwan brought $100M in tokenized real estate to Stellar, marking a major milestone for institutional adoption.
MiCAR-Compliant EURAU Stablecoin Launches on Stellar for European Settlement
A new euro-denominated stablecoin, EURAU, has been integrated on Stellar for institutional settlement, fully compliant with the EU's Markets in Crypto-Assets Regulation (MiCAR).
LOBSTR Wallet Adds XRP Ledger Support: Cross-Chain Utility Expands
LOBSTR, one of the most popular Stellar wallets, has added support for the XRP Ledger, giving users seamless access to assets across both networks from a single interface.
XLM Outpaces the Crypto Market: What's Driving Stellar's Strong Performance
Stellar Lumens (XLM) has shown remarkable strength with weekly gains outpacing the average cryptocurrency. We analyze the catalysts behind the rally and what it means for the ecosystem.
How the Stellar Foundation Is Driving Real World Asset Adoption on Chain
Explore how SDF is positioning Stellar as the go-to blockchain for tokenized real world assets, from treasury bills and bonds to carbon credits, and what this means for developers and institutions.
The Stellar Foundation Roadmap for 2026: Key Milestones and What Developers Should Know
A deep dive into SDF's 2026 roadmap including 5000 TPS targets, Stellar RPC unification, state archival improvements, and how each milestone impacts your applications and integrations.
Using the Stellar RPC to Access Real-Time Blockchain Data
A hands-on guide to querying real-time ledger state, simulating transactions, and streaming events using the Stellar RPC. Includes code examples, method reference, and best practices for production apps.
How Stellar Is Expanding the Developer Ecosystem in 2026
From Soroban smart contracts to improved SDKs, better tooling, and grant programs, discover how SDF is building a thriving developer community and what opportunities exist for builders.
From Soroban to Stellar RPC: What the Rebrand Means for Developers
Explore the recent shift from Soroban RPC to Stellar RPC, why SDF made the change, and how this unified data access strategy simplifies querying real-time network state and smart contract interactions.
Building Real-Time Apps on Stellar: Horizon API vs Stellar RPC
A comparative guide showing when to use Horizon (historical data, deep indexing) versus Stellar RPC (real-time state, transaction simulation), plus code snippets and practical use cases.
How Stellar's Roadmap to 5000 TPS Impacts Your API Integrations
Break down SDF's scalability goals for ~5000 TPS and what changes developers should expect in Horizon and RPC infrastructure—including performance, redundancy, and future-proofing applications.
Top 5 Horizon & RPC Use Cases for Financial Apps in 2026
Popular real-world use cases: cross-border payments, token issuance, DEX integration, real-time monitoring, and smart contract management—with real API patterns for each.
How to Build a Stellar Blockchain Explorer Using Horizon API (Step-by-Step Guide)
Build a fully functional Stellar blockchain explorer from scratch. Learn to fetch transactions, query accounts, parse operations, and display ledger data using the LumenQuery Horizon API.
Soroban JSON RPC Explained: How to Query Smart Contracts on Stellar
Master Soroban JSON-RPC for smart contract development on Stellar. Learn contract calls, event queries, simulation, and when to use Horizon vs Soroban RPC with production-ready infrastructure.
Best Stellar API Providers in 2026 (Comparison Guide)
Compare Stellar API providers: self-hosted Horizon, public endpoints, and managed services. Performance benchmarks, pricing, and feature comparisons to help you choose the right infrastructure.
How to Monitor a Stellar Validator or Horizon Node in Production
Set up comprehensive monitoring for Stellar validators and Horizon nodes. Covers Prometheus, Grafana dashboards, alerting strategies, RPC health checks, and ledger lag detection.
Using Claude Code to Interface with JSON-RPC APIs
Learn how to leverage Claude Code, Anthropic's AI-powered CLI tool, to interact with JSON-RPC APIs like Stellar's Soroban RPC. Build, test, and debug blockchain applications faster with AI assistance.
Getting Started with Claude Code: The AI-Powered Development Tool
Discover how Claude Code can transform your development workflow. From installation to advanced features, learn everything you need to start building software with AI assistance.
Stellar Lumen and the Future of Decentralized Applications
Explore how Stellar's unique architecture, Soroban smart contracts, and focus on real-world utility position XLM as a foundation for the next generation of decentralized applications.
Building in Web3: The Essential Role of RPC Nodes
Understand why RPC nodes are the backbone of Web3 development, how they work, and best practices for integrating reliable blockchain infrastructure into your decentralized applications.
The Future of Stellar: What's Next for the Lumen Blockchain in 2026 and Beyond
From Soroban smart contracts to institutional adoption, explore the technological roadmap and strategic direction shaping Stellar's future as a leading blockchain platform.
XLM and the Retail Revolution: How Stellar Could Transform Everyday Payments
Discover why Stellar Lumens (XLM) is uniquely positioned to bridge the gap between cryptocurrency and mainstream retail adoption, from point-of-sale integration to cross-border shopping.
5 Powerful Use Cases for the Stellar Horizon API in Fintech
Discover how businesses are leveraging the Stellar network through LumenQuery to build cross-border payments, tokenization platforms, and more.
Getting Started with LumenQuery: A Complete Guide
Learn how to integrate LumenQuery into your application and start building on the Stellar network in minutes.
Start Building on Stellar
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