# Infoway Real-time Market Data API

**Canonical:** https://apis.io/providers/infoway-real-time-market-data-api/  
**Website:** https://docs.infoway.io/  
**APIs profiled:** 5

Infoway is a real-time and historical financial market-data provider covering equities (US, Hong Kong, China A-shares, Japan, South Korea, India), forex, cryptocurrencies across 30+ exchanges, and commodities/futures. It ships two surfaces from the host data.infoway.io: a REST/HTTP API for symbol reference data, trading calendars, last-trade ticks, order-book depth and candlestick (K-line) history, and a WebSocket streaming API that pushes trades, depth, candles and multilingual news with millisecond latency. Both authenticate with a single API key whose entitlements follow the plan it was issued against (Free through Professional). Infoway publishes per-endpoint OpenAPI 3.0.0 definitions on its ReadMe developer hub, official Python, Node.js and Java SDKs, an llms.txt documentation index, and a stdio MCP server exposing 17 financial-data tools with a provider-authored Agent Skill.

## Kin Score — 47.5 / 100 (developing)

Scored 2026-08-12 under rubric 0.11.0. Trend: flat (+0.0 from 47.5).

| Facet | Score |
|---|---|
| Discoverability | 81.5 |
| Contract Quality | 57.2 |
| Governance | 11.5 |
| Operational Transparency | 21.1 |
| Developer Ergonomics | 65.2 |
| Commercial Clarity | 44.7 |

Regulatory layer — **Securities & Market Data**: 41.7 (matched via tags).

## Agent readiness — 44.1 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | documented |
| OpenAPI Examples | verified |
| Rate Limit Signal | documented |
| Event Surface Described | derived |
| Agent Skills | yes |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## APIs (5)

- **Infoway WebSocket Streaming API** — Persistent WebSocket connection for real-time trades, order-book depth, candlesticks and multilingual news. Integer protocol-code framing (10000 subscribe trade, 10002 trade pus...
- **Infoway Financial Data MCP Server** — Official Model Context Protocol server (PyPI infoway-mcp-server) exposing 17 tools over stdio for real-time quotes, depth, K-line, market temperature and breadth, global indexes...
- **Infoway Real-time Market Data API Common API** — The Common API from Infoway Real-time Market Data API — 7 operation(s) for common.
- **Infoway Real-time Market Data API Crypto API** — The Crypto API from Infoway Real-time Market Data API — 3 operation(s) for crypto.
- **Infoway Real-time Market Data API Stock API** — The Stock API from Infoway Real-time Market Data API — 3 operation(s) for stock.

## MCP servers (1)

- **infoway-real-time-market-data-api-mcp.yml**

## Security (2)

- **Infoway Real Time Market Data Api Authentication** — apiKey · 3 schemes
- **Infoway Real Time Market Data Api Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

stock-api, forex-api, crypto-api, commodities-api, futures-api, market-data, real-time-data, websocket, financial-data, fintech, historical-data

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/infoway-real-time-market-data-api/). Scores are computed from the provider's own public artifacts under a published rubric.