Bybit API (pybit)
Provides a unified v5 REST and WebSocket API for Bybit's spot, linear/inverse perpetuals, futures, and options markets, with an official Python SDK (pybit).
Score Breakdown
⚙ Agent Friendliness
🔒 Security
HMAC-SHA256 with replay protection; granular key permissions (read/trade/withdraw); IP whitelist support; dedicated testnet available
⚡ Reliability
Best When
Building algorithmic trading agents focused on crypto derivatives and perpetual swaps with a need for a well-documented, unified API across multiple product types.
Avoid When
Targeting US retail users or when regulatory clarity is required — Bybit has geo-blocking for several jurisdictions.
Use Cases
- • Algorithmic trading on crypto perpetuals and options
- • Real-time order book and trade streaming via WebSocket
- • Unified portfolio management across spot and derivatives
- • Market making with high-frequency order placement/cancellation
- • Backtesting-ready historical kline data retrieval
Not For
- • Traditional finance or non-crypto assets
- • On-chain or self-custodied DeFi trading
- • Jurisdictions where Bybit is prohibited (e.g., US, UK without appropriate licensing)
Interface
Authentication
API key + secret with HMAC-SHA256 signature. Keys can be scoped to read-only, trading, or withdrawal. Supports IP whitelisting. Unified Auth across v5 endpoints.
Pricing
API access is free; taker/maker fees start at 0.1%/0.06% for spot, lower for derivatives
Agent Metadata
Known Gotchas
- ⚠ HMAC timestamp must be within 5 seconds of server time — NTP sync critical for agents
- ⚠ orderLinkId required for safe retries to avoid duplicate order creation
- ⚠ WebSocket connections require periodic ping to maintain; reconnection logic needed
- ⚠ v5 unified API is current — older v1/v2/v3 endpoints deprecated
- ⚠ Geo-restrictions apply; agent IP location may cause access denial
- ⚠ Position mode (one-way vs hedge) must be set before placing orders — default varies by account
Alternatives
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Scores are editorial opinions as of 2026-03-07.