# Last-Modified Present Matches records that have a value in webdata.http.headers.last_modified. Source: https://docs.deepinfo.com/reference/discovery/domain-search/examples/webdata-http-headers-last-modified/ Last updated: 2026-09-26 --- `POST https://api.deepinfo.com/v1/discovery/domain-search?page_size=25` Example 27 of 40 in **Filters › Webdata & HTTP** · [Domain Search Examples](/reference/discovery/domain-search/examples/) · endpoint: [Domain Search](/reference/discovery/domain-search/) Tags: `field` `webdata.http.headers.last_modified` · `operator` `exists` Matches records that have a value in `webdata.http.headers.last_modified`. In the response, look at `results[].webdata.http.headers.last_modified`. ## Request | Parameter | In | Value | |---|---|---| | `page_size` | query | `25` | | `filters.must[0].name` | body | `webdata.http.headers.last_modified` | | `filters.must[0].type` | body | `exists` | | `filters.must[0].value` | body | `true` | ```bash curl -X POST 'https://api.deepinfo.com/v1/discovery/domain-search?page_size=25' \ -H 'apikey: YOUR_API_KEY' \ -H 'Accept: application/json' \ -H 'Content-Type: application/json' \ -d '{ "filters": { "must": [ { "name": "webdata.http.headers.last_modified", "type": "exists", "value": true } ] } }' ``` ## Response ### 200 · OK > Shortened for this page: results: 3 of 25 shown `Content-Type: application/json` · `ratelimit-limit: 1000` · `ratelimit-remaining: 999` · `ratelimit-reset: 1` · `x-ratelimit-limit-hour: 100000` · `x-ratelimit-limit-minute: 10000` · `x-ratelimit-limit-second: 1000` · `x-ratelimit-remaining-hour: 99863` · `x-ratelimit-remaining-minute: 9992` · 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2026 21:27:56 GMT" }, { "name": "etag", "value": "\"faf0-638d031f279d1-gzip\"" }, { "name": "vary", "value": "Accept-Encoding" }, { "name": "content_length", "value": "9479" }, { "name": "x_varnish", "value": "39491502354 39457426137" }, { "name": "age", "value": "562" }, { "name": "via", "value": "1.1 webcache1 (Varnish/trunk)" }, { "name": "accept_ranges", "value": "bytes" }, { "name": "connection", "value": "keep-alive" } ], "access_control_allow_headers": null, "access_control_allow_methods": null, "access_control_allow_origin": null, "cache_control": null, "clear_site_data": null, "content_encoding": "gzip", "content_security_policy": null, "content_type": "text/html", "cross_origin_embedder_policy": null, "cross_origin_opener_policy": null, "cross_origin_resource_policy": null, "expect_ct": null, "feature_policy": null, "last_modified": "Mon, 30 Jun 2025 20:51:42 GMT", "permission_policy": null, "referrer_policy": null, "server": "Apache", "set_cookie": null, "strict_transport_security": null, "x_content_type_options": null, "x_download_options": null, "x_frame_options": null, "x_permitted_cross_domain_policies": null, "x_powered_by": null, "x_xss_protection": null }, "cookies": [] } } } ] } ``` ## Related Examples - [Feature-Policy Present](/reference/discovery/domain-search/examples/webdata-http-headers-feature-policy/) - [Permission Policy Present](/reference/discovery/domain-search/examples/webdata-http-headers-permission-policy/) - [Expect-CT Present](/reference/discovery/domain-search/examples/webdata-http-headers-expect-ct/) - [Clear-Site-Data Present](/reference/discovery/domain-search/examples/webdata-http-headers-clear-site-data/) - [Access-Control-Allow-Methods Present](/reference/discovery/domain-search/examples/webdata-http-headers-access-control-allow-methods/) - [Access-Control-Allow-Headers Present](/reference/discovery/domain-search/examples/webdata-http-headers-access-control-allow-headers/)