OKLink vs Mempool.space
A detailed head-to-head comparison of OKLink and Mempool.space — pricing, features, and which one wins for different use cases.
OKLink
Multi-chain block explorer from OKX covering 30+ chains including Bitcoin, Solana, and all EVM networks
OKLink is the multi-chain block explorer built by OKX, one of the world's largest crypto exchanges, and is unique in offering a single explorer interface that spans Bitcoin, Ethereum, Solana, Aptos, S…
Full review →Mempool.space
Open-source Bitcoin explorer and real-time mempool visualizer
Mempool.space is the most popular open-source Bitcoin block explorer and mempool visualizer, and it has become the default tool for understanding Bitcoin fee markets. Its signature feature is a live, …
Full review →Feature Comparison
| Feature | OKLink | Mempool.space |
|---|---|---|
| Transaction History | ✓ | ✓ |
| Contract Verification | ✗ | ✗ |
| Token Tracking | ✓ | ✗ |
| Nft Tracking | ✓ | ✗ |
| Api Access | ✓ | ✓ |
| Multi Chain Support | ✓ | ✗ |
| Gas Tracker | ✓ | ✓ |
| Source Code Viewer | ✗ | ✗ |
| Address Labels | ✓ | ✗ |
| Private Notes | ✗ | ✗ |
OKLink Pricing
OKLink
Free
Free
- ✓30+ chains
- ✓Unified multi-chain search
- ✓Bitcoin ordinals
- ✓Whale tracking
- ✓API access (rate limited)
Mempool.space Pricing
Mempool.space
Free
Free
- ✓Open-source Bitcoin explorer
- ✓Live mempool + fee estimation
- ✓Lightning Network exploration
- ✓Mining pool statistics
- ✓Self-hostable; enterprise tier available
Verdict: Which Should You Choose?
OKLink is the better pick if you need single interface spanning 30+ chains — unique multi-chain search experience. Mempool.space wins when best-in-class bitcoin fee estimation and mempool visualization. Both are production-ready — the right choice depends on your team's workflow and budget.