Fillout · Rate Limits

Fillout Rate Limits

Fillout REST API endpoints are limited to no more than 30 requests per second per account / API key. Above the limit, requests are rejected with HTTP 429. Plan-level monthly response caps act as a secondary, business- level throttle.

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

It captures 5 rate-limit definitions, measuring requests and responses/month.

Limit state is signalled in the Retry-After response header, and an exhausted limit returns HTTP 429.

This profile was written by API Evangelist and has not been verified against a page the provider published; treat every limit as unconfirmed until a dated transcription replaces it.

The profile also includes 2 backoff/retry policies defined and response codes documented for throttled.

Tagged areas include Forms, Surveys, No-Code, Airtable, and Notion.

5 Limits Exhausted: HTTP 429 Retry-After
Method: generated, dated 2026-05-08.
Written by API Evangelist on 2026-05-08 and not verified against a page the provider published. Treat every limit as unconfirmed until a dated transcription replaces it.
View Source
FormsSurveysNo-CodeAirtableNotionRate LimitingQuotasThrottling

Limits

REST API per account/API key account
requests · 1s
30
Free plan responses account
responses/month
1000
Starter plan responses account
responses/month
2000
Pro plan responses account
responses/month
5000
Business plan responses account
responses/month
-1
Unlimited.

Policies

Backoff Strategy
Honor Retry-After on 429; use exponential backoff with jitter.
Region selection
EU agent and self-hosted return their own base URL via the dashboard.

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

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