Power your MultiversX app with Kepler — high-performance APIs and real-time event streams built for builders.
Getting started with Kepler takes only a few minutes. You’ll authenticate using an API Key that identifies your project and gives access to all active services.
Visit: kepler.projectx.mx
Follow these steps to get your first live API key:
Log in with your preferred MultiversX wallet.
Choose your plan based on your app’s traffic and data needs.
Create an API Key — give it a name (e.g., my-dapp-mainnet).
Plug it into your app.
Go to the Services tab in your Dashboard to copy the base URLs for Mainnet or Devnet.
Here’s a quick example using curl:
curl --request GET \
--url "https://kepler-api.projectx.mx/mainnet/api/transactions?size=3" \
--header "Api-Key: 0a1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d"This returns the 3 latest transactions from the mainnet API.
Explore your available services on the Dashboard (API, ElasticSearch, Event Notifier, Gateway, Herotag DB, Webhooks).
For deeper integration examples, check the Core Features section in this documentation.
Monitor your credit usage and active keys in Kepler Dashboard → API Keys.
Integrate securely
Never expose your API key in public code or repositories.
Use environment variables or a secrets manager for production apps.
Reference official MultiversX structures For transaction, address, and token schema details, see the MultiversX Docs.
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