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Financial data infrastructure

Market data.
One API.

Access financial market data across centralized exchanges, decentralized venues, and onchain pools through one consistent API.

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Built for developers, AI agents, and automated systems.

Venue nodesOne connected universe
A universe of venues. One API.Illustrative market-data flow.
Connect your way
JSON-RPC · WebSocket · Agent CLI
Explore market coverage
17 venue integrations
Pay as you build
Prepaid usage credits

The problem

Build your product.
Skip the integration maze.

Every venue brings another connection lifecycle, symbol format, payload schema, and set of edge cases. The integration may launch once; the maintenance never does.

01

Venue-specific APIs

Different protocols, subscription flows, and operational behavior for each integration.

02

Inconsistent schemas

Fields, symbols, timestamps, and market models must be translated before use.

03

Ongoing maintenance

Upstream changes multiply across every adapter, parser, and data pipeline.

Unified market data

One model.
Fewer moving parts.

Gateway provides a consistent public boundary while Market Hub handles venue connections, subscriptions, and normalization behind it.

  • ✓One JSON-RPC request structure
  • ✓Real-time WebSocket subscriptions
  • ✓Canonical market-data fields
  • ✓Venue adapters isolated from clients

Your systems

AIAgents
{ }Applications
↯Bots
JSON-RPC / WebSocket
GatewayPUBLIC API BOUNDARY
Market HubNORMALIZE + AGGREGATE
Venue adapters

Market sources

Order books8 INTEGRATIONS
EVM AMMs3 INTEGRATIONS
Sui AMMs4 INTEGRATIONS
Solana AMMs2 INTEGRATIONS
CONSOLIDATED BBO

BTC/USDC

Perpetual
Venue A
Best bid 63,004.20
Best ask 63,005.10
Venue B
Best bid 63,003.90
Best ask 63,004.80
Venue C
Best bid 63,004.00
Best ask 63,005.30
One venue-independent update
Consolidated bid
63,004.20
Consolidated ask
63,004.80
Illustrative prices for the same instrument. Source identities are not returned in the public BBO response.

Multi-venue aggregation

One derived view.
Across venues.

Request a canonical symbol and market type. Market Hub combines eligible observations into a consistent, venue-independent view.

Order-book venues provide normalized BBO and Trade data. EVM, Sui, and Solana AMMs provide quantity-dependent quotes and observed Swaps for configured pools.

Available

MarketHub.BBO.Subscribe with consolidated best bid and offer data.

Future

Additional aggregation modes and strategy-oriented derived APIs.

Venue coverage

Across venues.
Across market models.

17 venue integrations, including 16 configured in production.
Coverage reviewed on September 12, 2026.

01

Order-book markets

Normalized top-of-book and public executions, with one-minute Candles derived from Trade data.

VenueSpotPerpetualMarket dataDeployment
BinanceConfiguredConfiguredBBO, Trade, CandleProduction
HyperliquidConfiguredConfiguredBBO, Trade, CandleProduction
BTSEConfiguredConfiguredBBO, Trade, CandleProduction
BybitConfiguredConfiguredBBO, Trade, CandleProduction
CoinbaseConfiguredConfiguredBBO, Trade, CandleProduction
dYdX—ConfiguredBBO, Trade, CandleProduction
OKXConfiguredConfiguredBBO, Trade, CandleProduction
LighterSupportedSupportedBBO, Trade, CandleImplemented
02

Onchain AMMs

Quantity-dependent executable quotes for configured pools. These are synthetic Spot observations, not order-book BBO.

VenueNetwork familyMarketMarket dataDeployment
AerodromeEVMSpotExecutable quote, SwapProduction
Uniswap v3EVMSpotExecutable quote, SwapProduction
Uniswap v4EVMSpotExecutable quote, SwapProduction
BluefinSuiSpotExecutable quote, SwapProduction
CetusSuiSpotExecutable quote, SwapProduction
MomentumSuiSpotExecutable quote, SwapProduction
TurbosSuiSpotExecutable quote, SwapProduction
RaydiumSolanaSpotExecutable quote, SwapProduction
MeteoraSolanaSpotExecutable quote, SwapProduction

Production means the venue is configured for Market Hub; it does not guarantee that an upstream connection is currently healthy or that every symbol is available. Implemented integrations are not yet enabled in the production API at the time of review. Supported market types depend on venue configuration. Current runtime status and enabled symbols are discoverable through MarketHub.ListVenues and MarketHub.ListSymbols. Public access focuses on real-time derived aggregation; direct historical dataset access is a future capability.

Developer experience

Your stack.
Our market interface.

Use JSON-RPC for consistent operations, WebSocket for real-time subscriptions, the released Agent CLI for interactive onboarding and discovery, or the public MCP server for agent-facing tools.

  1. 1
    Choose your interface

    Connect through Gateway, install k4k3ru-agent from npm, or use the MCP server at mcp.k4k3ru.com.

  2. 2
    Subscribe with canonical fields

    Choose a market type and normalized symbol.

  3. 3
    Consume derived updates

    Receive one venue-independent view calculated across eligible markets.

Read the API documentation
JSON 
01 {
02   "jsonrpc": "2.0",
03   "id": 1,
04   "method": "MarketHub.BBO.Subscribe",
05   "params": {
06     "marketType": "perp",
07     "symbol": "BTC/USDC"
08   },
09   "auth": {
10     "apiKey": "<API_KEY>",
11     "timestamp": 1786527553,
12     "nonce": "<NONCE>",
13     "signature": "<SIGNATURE>"
14   }
15 }

Schema example based on the current repository contract. Values are illustrative.

Usage credits

Pay for API usage.
Not a subscription.

Credits are prepaid API usage. Calls consume ticks from your balance—without monthly subscriptions or recurring plans.

AVAILABLE PACKAGEAvailable
1USDCBase Mainnet
1,000,000TICKSPrepaid API usage

API usage consumes ticks. Consumption rates vary by operation and are documented separately.

Roadmap

Infrastructure, delivered in layers.

Current direction without fixed release-date commitments.

01Available

Core platform

  • Console for account and API key management
  • Signed JSON-RPC requests
  • Real-time WebSocket aggregation
  • OAuth-authenticated MCP server
  • K4K3RU Agent CLI for macOS and Linux
  • Venue and symbol discovery
  • Usage Credits and USDC payments on Base
02In progress

Market coverage

  • Continuous Venue expansion
  • Continuous Symbol expansion
  • Continuous Chain expansion
  • Aggregation reliability and observability
03In progress

Trade Hub

A separate execution component for unified trading operations. Implementation is underway; its public API is not yet available.

04Future

Products

  • Self-custodial Wallet
  • Exchange

Product details and release timing will be announced separately.

Roadmap items may change based on technical findings, venue availability, operational requirements, and user feedback.

Start building

Your account.
One place to start.

Create an account in Console to explore market data, manage API keys, and view your usage. Use the documentation as you build your integration.

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