Build your indexer on the cloud and with endless customization

With Zephyr any data aggregation and querying logic can be applied for your application. All on the cloud.
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Documentation

Real-Time & Low-latency

Our servers rely on local Stellar nodes streaming data into our service, granting real-time and low-latency execution of your programs.
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Low-Level Custom Ingestion

Your program receives a raw representation of each ledger transition, you choose how to process or index it.
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Powerful Indexing

Our VMs come equipped with DB interactions functionality and you can have full control of your tables, all while relying on our GraphQL API.
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Custom RPCs

Write custom RPC functionalities using rust and the native soroban sdk as typesystem. Simulation and ledger entries: you now don't have to deal with these from your frontend anymore.
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Alerts, Bots and Web Requests

Our VMs can also forward web requests on your behalf, enabling you to create alerts, send transactions, or any web request.
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ZephyrVM <> Soroban VM

Rely on functionalities of the Soroban VM, directly within the ZephyrVM: utilities, types, and conversions, everything is linked!
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Developer Experience

Develop APIs Like You Build Smart Contracts.

Building your own web3 API has never been as low-level while simple. Through a fork of the Soroban VM and linking work on our VMs side, you can now build off-chain with the very same types (and their implemenations) you use in your smart contracts, you can even import types directly from them.
Documentation
Examples
Dashboard mockup
Dashboard mockup
RPC Functionality

Custom Simulation Endpoints

Define and export functions that can simulate transactions, with little latency as the simulation code is embedded in our VM itself. Simulate multiple calls at once, use the Rust typesystem (with native Soroban SDK), and never again have to deal with unprocessed XDR on you clients, not even for simulation.
Documentation
Examples
RPC Functionality

Custom Ledger Entries Endpoints

Besides simulation, you can implement functions that can read from the ledger, or even iterate over subsets of it. Or even, you can mix up the entries retrieval and simulation functions into one exported endpoint.
Documentation
Examples
Dashboard mockup
Dashboard mockup
Monitoring

Alerts, Monitoring and Web Requests

Define and send framework-agnostic generic web requests. Our VM will take care of landing that request. Along with real-time ledger transitions, being able to simulate contract execution and reading/writing the database,  this creates the perfect environment for on-chain monitoring, strategies and bots.
Documentation
Examples
Accessibility and Performance

Work on Low Level Data

When we say you can work with low level data, we really mean it. Our SDK can do much of the heavy-lifting, and relying on the native Soroban SDK makes working with smart contracts much easier, but your programs are granted access to every single changing piece of the ledger closes + syn read access to the ledger (contract data, code, accounts, offers, etc).
Documentation
Examples
Dashboard mockup

Ready To Start Building?

Are you ready to get started with building Soroban applications with Mercury's help? Check the documentation and join our discord server! Start now, no credit card required.
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Real-Time and Historical Data

Work seamlessly with both real-time and historical data. Whether you need the latest updates or deep historical analysis, Mercury provides instant access to the data you need, when you need it.

Custom Data Retrieval Endpoints

Create custom API endpoints through Zephyr serverless functions. Design your data retrieval logic and return types once and access it anytime, anywhere, without managing infrastructure.

Interactive Dashboards

Visualize your data with ease. Create stunning charts and informative tables to bring your data to life. Our tools make it simple to build and share insightful dashboards.