- Free allowance
- Keyless CDX server, full-text and URL search API, Memento API, image search and replay of the Portuguese web archive, each limited per IP address
- Verdict
- caveatusable, with a named limit or an unprobed read path
- Cost
- free tier
- Identity
- anonymousno card, no phone
- Binding limit
- request-rateCDX server and the full-text and URL search API 250 requests a minute per IP address; Memento and image search 400 a minute; replay at /wayback 4,000 a minute; an IP address over any of these limits is blocked permanently; a 429 answer...
- Evidence
- documented8 sources; a first-party page was read and the sentence quoted
- Freshness
- stale on 2026-11-30checked 2026-10-30 (live); stale on 2026-11-30
| Free tier | keyless CDX server, full-text and URL search API, Memento API, image search and replay of the Portuguese web archive, each limited per IP address unit requests; metered on request-count |
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| Price | none stated |
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| Limits | - request-rate (binding) CDX server and the full-text and URL search API 250 requests a minute per IP address; Memento and image search 400 a minute; replay at /wayback 4,000 a minute source
- request-rate (binding) an IP address over any of these limits is blocked permanently; a 429 answer means slow down source
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| Binding | request-rate 250 CDX requests a minute per IP address, and a permanent block past the limit |
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| Identity | anonymous keyless; the limits are counted per IP address |
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| Egress | not applicable: the archived body |
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| Per-object cap | not applicable: the unit is a capture |
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| Retention | no expiry stated |
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| Interface | rest CDX server answering JSON lines, the Arquivo.pt API for full-text and URL search, the Memento API, image search, replay at /wayback and /noFrame/replay, and CDXJ index files for bulk access |
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| Tooling | plain HTTP with no key; the CDX server takes output=json and limit parameters |
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| Composes with | It has no closest operation, so it answers only a listing |
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| Reliability | the CDX endpoint answered 200 with a capture row and no key, with x-ratelimit-policy 250;w=60 |
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| Notes | It holds far fewer pages than the Wayback Machine but more of the non-English web. |
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| Evidence note | documented per-IP limits read on the vendor's API page; the CDX endpoint read with no key |
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| Parsed numbers | - has-free-tier 1
- request-rate 250 requests / minute
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