Arkham · Rate Limits

Arkham Rate Limits

Arkham enforces per-second request rate limits (Standard 20 rps, Heavy 1 rps on resource-intensive endpoints) plus per-billing-period Intel label lookup limits that cap unique labeled addresses. Both scale up on custom plans. x402 limits are enforced per paying wallet.

Arkham Rate Limits is the machine-readable rate-limit profile for Arkham on the APIs.io network, conforming to the API Commons Rate Limits specification.

It captures 5 rate-limit definitions, measuring requests_per_second and unique_labeled_addresses.

The profile also includes response codes documented for throttled.

Tagged areas include Rate Limiting and Blockchain Intelligence.

5 Limits Throttle: 429
Rate LimitingBlockchain Intelligence

Limits

Standard endpoints plan
requests_per_second · second
20
Heavy endpoints plan
requests_per_second · second
1
Intel label lookups — Trial account
unique_labeled_addresses · billing_period
10000
Intel label lookups — Individual (paid) account
unique_labeled_addresses · billing_period
1000000
Intel label lookups — Organization (paid, per seat) seat
unique_labeled_addresses · billing_period
10000000

Sources

Work with this as data

Every rate limit here is available over the APIs.io API and to AI agents over MCP.

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Tools for rate limits

4 MCP tools reach this
  • find_rate_limitsBrowse and filter every rate limit in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This rate limit 
curl "https://apis.io/api/v1/rate-limits/arkham-rate-limits"
All rate limits 
curl "https://apis.io/api/v1/rate-limits?limit=25"

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