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Overview
Welcome
Data Catalog
⊙ Explorer
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⊙ Developer
⊙ Datastreams
⊙ Assistant
Changelog
Overview
Getting Started
Data Tips
Real-Time Data Overview
Real-Time Data Delivery Interfaces
Chain & Endpoint Availability
Prices
Prices Overview
POST
Token Latest Price
POST
Token Price Historical
POST
Token Price Stats
POST
Token Price at Timestamp
Wallets
Wallet Overview
POST
Wallet Transactions
POST
Latest Fungible Token Balances
POST
Latest NFT Balances
POST
Latest Solana NFT Balances
POST
Historical Fungible Token Balances
Wallet Holdings API Overview
POST
Holdings History
POST
PnL by Wallet
POST
PnL by Wallet & Token
NFT
NFT Data Overview
GET
NFT Tokens by Contract
GET
NFT Token by Contract and Token ID
GET
NFT Contract
GET
NFT Collections
GET
NFT Listings by Contract Address
GET
NFT Listings by Token ID
GET
NFT Activities by Token ID
GET
NFT Activities by Contract Address
Data Transformations
Data Transformations Overview
Filter Data Sources
Filters
Workflows
Direct Data Access
Overview
POST
Custom SQL API
Solana
Bitcoin
Ethereum
Polygon
Arbitrum
Base
Optimism
Oasys
Monad Testnet
Deep Dives
Deep Dive: Building A Bitcoin Wallet
On this page
Data Freshness
Query Engine
Schema Catalog
Developer Features
Data Quality
Block Re-Org Handling
Overview
Allium Developer enables engineers to query both raw and enriched blockchain data to power real-time applications and workflows.
Allium App: Developer Interface
Data Freshness
Allium Developer
offers fast query speed (50-100ms) and
real-time data freshness (3-4s)
at
engineers
’ fingertips.
Query Engine
Allium Developer runs on
ClickHouse
for Solana and
Postgres
for all other chains.
Schema Catalog
Allium Developer provides real-time access to all blockchains listed on this
page
.
Developer Features
Allium Developer supports the following features to power your applications and workflows:
Real-Time Wallet APIs
Pre-defined, optimized queries for common use cases, providing instant access to frequently requested blockchain data.
Prices APIs
The Prices API provides real-time token prices and historical price data derived from Allium’s real-time DEX trade feeds.
NFT APIs
Allium’s NFT APIs can be used to retrieve comprehensive (meta)data about NFT collections, ownership, transfers, and activity.
Custom SQL API
Power your applications to fetch account history, balances and any on-chain data and not be limited by rigid static APIs.
Data Quality
We run complex consistency checks every 5 minutes to ensure that we are storing correct data from our providers.
Block Re-Org Handling
We capture real-time re-org and immediately correct the affected entities (blocks, transactions, etc).
Getting Started
Assistant
Responses are generated using AI and may contain mistakes.