Partners & Bonuses
Services we use to build and run APICostCalc. Signing up through our links gets you exclusive discounts and credits — at no extra cost to you.
The developer-friendly cloud. Simple VPS Droplets, managed databases, Kubernetes, and App Platform. Clean pricing, no surprise bills. We host this site on DigitalOcean.
Affordable shared and VPS hosting with solid performance. VPS plans start at $5/month — good for small projects, APIs, and side projects.
Multi-currency account used by thousands of developers and freelancers. Receive USD, EUR, GBP. No-fee international transfers. Virtual cards for API subscriptions. Business accounts available.
Useful when testing APIs from geo-restricted regions, or keeping development traffic private. 6,000+ servers, audited no-logs policy. Also blocks malicious ad domains — handy for developers.
If you're building trading or finance apps, TradingView's charting library and data widgets are the industry standard. The platform also covers crypto, equities, and forex APIs in depth.
One of the fastest APIs in crypto. Low latency WebSocket streams, deep liquidity, HMAC-SHA256 auth. Good CCXT support. Ideal for algo trading bots.
The most feature-complete API in crypto. Spot, futures, options, margin — all endpoints documented. Rate limits generous on VIP tiers. Best liquidity for market data use cases.
Deep liquidity across spot, futures and options. Well-documented REST/WebSocket API with generous rate limits — a solid second exchange for redundancy in trading bots.
One of the widest altcoin selections in the industry with a straightforward REST API. Good choice for integrations that need long-tail token coverage beyond the majors.
Strong in derivatives and copy-trading. REST/WebSocket API covers spot, futures and copy-trade endpoints — useful if you're building on top of its strategy marketplace.
Enormous listing coverage, including many low-cap tokens before other exchanges add them. REST API is stable, if a little more verbose than some competitors.
Consistently among the lowest maker/taker fees in the industry. Simple REST API, popular for fee-sensitive scalping and arbitrage bots.
The industry-standard hardware wallet. Keep API keys and trading capital separate — cold storage for funds you're not actively trading with.
Open-source hardware wallet, one of the original cold-storage devices. Good alternative to Ledger if you prefer open-source firmware.
Auto-imports transactions via API/CSV from 800+ exchanges and wallets, calculates gains/losses, and generates tax reports for 20+ countries. Our pick for tracking API trading activity at tax time.
Similar scope to Koinly — transaction import, gain/loss calculation, and country-specific tax forms. Good alternative if you want a second quote or prefer its UI.