Codex API: pricing, API and features
Unified GraphQL API for on-chain token prices, OHLCV bars, trades, pools, holders, wallets, launchpads and prediction markets across 80+ networks, with WebSocket subscriptions and webhooks.
Visit Codex API ↗ Plain link, no affiliate. Category: Market data APIs.
At a glance: Codex API (Codex Data Inc.) — pricing: freemium; free tier: Yes; REST: No; MCP: Yes; open source: unknown.
Pricing
- Model
- freemium
- Free tier
- Yes — 'Almost free' plan: 10,000 requests/month, 5 requests/second.
- Plans
- Almost free: month (10,000 requests/month, 5 req/s); Growth: month (From 1M requests/month, 300 req/s; tiers on pricing page (not machine-readable)); Enterprise: custom (Custom)
- Notes
- Usage counted per query response; subscription messages count per message delivered. Card payments via Stripe; crypto on request.
Verified on 2026-10-30 · Source: https://docs.codex.io/concepts/rate-limits.md
Access & auth
- Authentication
- api-key
- KYC required
- unknown
- Notes
- API key from dashboard.codex.io sent in Authorization header.
Verified on 2026-10-30 · Source: https://docs.codex.io/llms.txt
Coverage
- Exchanges
- Indexes DEX exchanges (20,000+ exchange entries per FAQ)
- Chains
- 80+ networks (EVM and non-EVM incl. Solana)
- Assets
- 75M+ tokens
Verified on 2026-10-30 · Source: https://docs.codex.io/extra/faq.md
Capabilities
- Capabilities
- price-data, historical-data, dex-data, trades-data, onchain-metrics, screening, alerts
Verified on 2026-10-30 · Source: https://docs.codex.io/llms.txt
Interfaces
- REST API
- No
- WebSocket
- Yes
- SDKs
- typescript
- Official MCP server
- Yes
- Other
- GraphQL over HTTP POST and graphql-ws WebSocket subscriptions; webhooks; docs MCP server for authoring queries (not a data MCP)
Verified on 2026-10-30 · Source: https://docs.codex.io/llms.txt
Open source & self-hosting
- Open source
- unknown
- Licence
- proprietary
- Self-host
- No
- Repository
- https://github.com/codex-data/sdk
Verified on 2026-10-30 · Source: https://docs.codex.io/sdk.md
FAQ
Does Codex API have a free tier?
Yes. 'Almost free' plan: 10,000 requests/month, 5 requests/second. (verified 2026-10-30)
Does Codex API offer an API?
REST: No. WebSocket: Yes. Official MCP server: Yes. Verified 2026-10-30.
Is Codex API open source or self-hostable?
Open source: unknown; licence: proprietary; self-host: No. Verified 2026-10-30.
What are alternatives to Codex API?
Other market data apis in our directory: 0xArchive, AllTick Market Data API, Amberdata Market Data API, Aster Futures API (market data), binance (Siebly.io SDK).
Related market data apis
0xArchive
Historical and live market-data archive for Hyperliquid and Lighter (order books, funding, liquidations, fills) served via REST, WebSocket replay, Parquet exports, SDKs and an MCP server.
AllTick Market Data API
Commercial REST and WebSocket market-data API covering stocks, forex, crypto, metals, oil and indices, with tick, order book and K-line data.
Amberdata Market Data API
Institutional digital asset data API (market, derivatives, on-chain) with REST, WebSocket and bulk delivery; Kaiko announced its acquisition of Amberdata and docs remain live.
Aster Futures API (market data)
Aster DEX futures API docs: public REST and WebSocket market data for USDT perpetuals (klines, depth, trades, mark price/funding, liquidation stream) plus authenticated trading endpoints.
binance (Siebly.io SDK)
Community TypeScript/JavaScript SDK for Binance REST, WebSocket and WebSocket API across spot, margin, options and USD-M/COIN-M futures, with typed responses and automatic reconnects.
Binance Connector (Python)
Official MIT-licensed collection of auto-generated Python SDK packages for Binance APIs (spot, margin, futures, options, copy trading, algo, staking and more), with REST and WebSocket clients.