API Pricing
Prepaid monthly plans for the labeling API. 1 address = 1 label. No overages, no surprises — upgrade any time.
Contact us to pay in crypto.
Free forever
- ✓ 10 labels / month
- ✓ 1 req / sec rate limit
- ✓ 1 address / call
$0.98 per 1,000 addresses
- ✓ 50,000 labels / month
- ✓ 5 req / sec rate limit
- ✓ 1 address / call
$0.60 per 1,000 addresses
- ✓ 250,000 labels / month
- ✓ 5 req / sec rate limit
- ✓ 5 addresses / call
$0.50 per 1,000 addresses
- ✓ 1,000,000 labels / month
- ✓ 5 req / sec rate limit
- ✓ 20 addresses / call
Enterprise — 1M+ labels
Custom volume, rate limits and pricing — negotiated to your needs. At high volume the per-address price drops to as low as $0.10 per 1,000 addresses.
Don't want to write code?
Bulk export is for teams that just need a labeled file — no API keys, no integration. Send us your list, get back a labeled CSV, JSON or Parquet. Volume pricing down to $0.10 / 1,000.
How we compare
The cost to label the same list across providers. Everyone prices differently — here's the monthly bill for what you'd actually run.
| Provider | Model | 1K addresses | 1M addresses |
|---|---|---|---|
| ChainLabelthat's us | Per address | $49 | $499 |
| Arkham | Free API (gated) | $0* | Not for bulk |
| Nansen | Credits ($10/1K) | ~$49 + credits | Cost-prohibitive |
| MetaSleuth | Daily-capped sub | ~$699 | ~$1,900 |
| Block explorers | Web-only, no API | Manual | No bulk API |
List-price estimates as of Sep 2026; models differ, so confirm current pricing with each vendor. Read the full breakdown →