HTML/CSS to Image · Rate Limits

Htmlcsstoimage Rate Limits

HTML/CSS to Image meters usage by the number of images rendered per month against the account's plan allowance. Concurrency and request throughput limits apply to protect the rendering infrastructure; once a plan's monthly image allowance is reached, additional images are billed as overages rather than hard-blocked. Specific per-plan throughput and concurrency values are not reconciled in this artifact.

Htmlcsstoimage Rate Limits is the machine-readable rate-limit profile for HTML/CSS to Image on the APIs.io network, in the API Commons Rate Limits shape.

It captures 3 rate-limit definitions, measuring images, concurrent_requests, and requests.

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 3 backoff/retry policies defined and response codes documented for throttled.

Tagged areas include Image Generation, HTML to Image, Rendering, Templates, and Rate Limiting.

3 Limits Exhausted: HTTP 429
Method: generated, dated 2026-06-20.
Written by API Evangelist on 2026-06-20 and not verified against a page the provider published. Treat every limit as unconfirmed until a dated transcription replaces it.
View Source
Image GenerationHTML to ImageRenderingTemplatesRate LimitingQuotasThrottling

Limits

Monthly Image Allowance account
images
per plan (50 free up to 1,000,000 on Unlimited)
Number of images included per month by plan; overages billed at $10 per 1,000 images when exceeded.
Concurrency account
concurrent_requests
see provider documentation
Concurrent render limits protect the rendering pipeline; varies by plan.
Request Rate account
requests
see provider documentation
Throughput limits on API requests; varies by plan.

Policies

Overage Billing
Images beyond the monthly allowance are billed as overages at $10 per 1,000 images rather than rejected.
Backoff Strategy
Clients should implement exponential backoff with jitter and honor Retry-After on 429 responses.
Usage Visibility
The GET /v1/usage endpoint returns hourly, daily, and monthly usage so clients can track consumption against the plan allowance.

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

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

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