Kit · Rate Limits

Convertkit Rate Limits

Rate limits enforced by the Kit (formerly ConvertKit) REST API v4.

Convertkit Rate Limits is the machine-readable rate-limit profile for Kit on the APIs.io network, in the API Commons Rate Limits shape.

It captures 3 rate-limit definitions.

Limit state is signalled in the documented, x_ratelimit, ratelimit, and retry_after response headers.

Tagged areas include Email Marketing, Creator Economy, Subscribers, Automation, and Newsletters.

3 Limits documentedx_ratelimitratelimitretry_after
Transcribed from the provider's documentation on 2026-08-13 — developers.kit.com/api-reference/response-codes.
View Source
Email MarketingCreator EconomySubscribersAutomationNewslettersSequencesFormsBroadcastWebhookMCPAgentsAuthenticationMarketing AutomationLanding PagesSegmentationEmail CampaignsSoftware-as-a-ServiceCommerceA2AEmail

Limits

API Key: 120 requests per 60 seconds per API key
· per 60 seconds
Suitable for personal account automation and simple integrations.Some endpoints (bulk operations, purchase creation) require OAuth exclusively.
OAuth 2.0: 600 requests per 60 seconds per OAuth access token
· per 60 seconds
Required for apps distributed through the Kit App Store.Supports Authorization Code Grant flow.Web servers use the refresh token flow.SPAs and mobile apps use PKCE flow.Recommended for public integrations needing higher throughput.
OAuth 2.0 (Kit MCP): 120 requests per 60 seconds per token
· per 60 seconds
The Kit MCP server is rate-limited to 120 req/min per token — one fifth of the 600/60s an OAuth token gets against the REST API directly.

Work with this as data

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

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

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/convertkit-rate-limits"
All rate limits 
curl "https://apis.io/api/v1/rate-limits?limit=25"

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