Error codes (3)

Last updated Apr 23, 2026 Pay per crawl error responses include a crawler-error header with a specific error code. The following table provides a complete reference of all possible error codes:

Error Code HTTP Status What to do
CrawlerForbidden 403 The site owner has blocked your crawler. You cannot access this content.
StrongAuthRequired 400 Include valid Web Bot Auth headers with strong authentication in your request.
InvalidSignature 400 Include both signature-input and signature headers in your request. Refer to Web Bot Auth documentation.
InvalidCrawlerPriceValue 400 Check that your crawler-exact-price or crawler-max-price header value is properly formatted (for example, USD 0.01).
MissingCrawlerPrice 402 Include either crawler-exact-price or crawler-max-price header in your request.
PaymentFailed 403 Verify your payment processing is configured correctly in Pay Per Crawl settings. Contact Cloudflare support if the issue persists.
InvalidCrawlerExactPrice 402 Update your crawler-exact-price to match the crawler-price value from the response header.
InvalidCrawlerMaxPrice 402 Increase your crawler-max-price to meet or exceed the crawler-price value from the response header.
ConflictingPriceHeaders 400 Use only one price header per request. Remove either crawler-max-price or crawler-exact-price.
InvalidContentPrice 502 The origin returned an invalid price. This is a site owner configuration issue. Try again later or contact the site owner.
InternalError 500 A server error occurred. Retry your request with exponential backoff.

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Error codes (3) - 图1Docs

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description: Create a Cloudflare account for Pay Per Crawl. title: Set up your account image: https://developers.cloudflare.com/ai-crawl-control/features/pay-per-crawl/use-pay-per-crawl-as-ai-owner/set-up-cloudflare-account/og.png?v=feb1e2a176bfc8c8

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