--- type: "firecrawl-provider" description: "The Harmonized Tariff Schedule of the United States from the USITC HTS REST API (hts.usitc.gov/reststop): the current revision's identity and dates, every HTS line (4-, 6-, 8- and 10-digit numbers, group headings, descriptions, units, General/Special/Column 2 duty rates, footnotes) one chapter per page, one line by HTS number, and keyword search. Current revision only: the API serves no archived revisions as data." use_when: "The Harmonized Tariff Schedule of the United States from the USITC HTS REST API (hts.usitc.gov/reststop): the current revision's identity and dates, every HTS line (4-, 6-, 8- and 10-digit numbers, group headings, descriptions, units, General/Special/Column 2 duty rates, footnotes) one chapter per page, one line by HTS number, and keyword search. Current revision only: the API serves no archived revisions as data." categories: "Public records" capabilities: 4 credits_per_call: 5 --- # USITC Harmonized Tariff Schedule (HTSUS) on Firecrawl Alexandria The Harmonized Tariff Schedule of the United States from the USITC HTS REST API (hts.usitc.gov/reststop): the current revision's identity and dates, every HTS line (4-, 6-, 8- and 10-digit numbers, group headings, descriptions, units, General/Special/Column 2 duty rates, footnotes) one chapter per page, one line by HTS number, and keyword search. Current revision only: the API serves no archived revisions as data. - Categories: Public records - Category index: [Public records category](https://firecrawl.dev/alexandria/agents/categories/public-records) - Provider key: `hts-usitc-gov` - Access: Firecrawl credits - Cost: 5 credits per call ## More - [Human guide](https://firecrawl.dev/app/alexandria/hts-usitc-gov) - [OpenAPI spec](https://firecrawl.dev/alexandria/agents/providers/hts-usitc-gov/openapi.json) ## Capabilities - [Records get](https://firecrawl.dev/alexandria/agents/providers/hts-usitc-gov/tariff-schedule/records_get): One HTS line by its number: exports the 4-digit heading's range (`exportList?from=HHHH&to=HHHH.99.99.99`) and returns the matching row in the same shape as `records_list`, with `parent_htsno` computed within the heading. Accepts the dotted form (`8541.43.00.10`) or bare digits (`8541430010`) with 4, 6, 8 or 10 digits, and the `:` id that `records_list` gives unnumbered headings (one chapter export). A number the current revision does not carry is `not_found`. Collection contract name: `records/get`. - [Records list](https://firecrawl.dev/alexandria/agents/providers/hts-usitc-gov/tariff-schedule/records_list): Every HTS line of the current revision, segmented by chapter: `exportList?from=CC00&to=CC99&format=JSON&styles=false` for one two-digit chapter per segment, paged by `limit` rows. Before each page the current revision name is re-read (`reststop/currentRelease`) and compared with the one pinned in the cursor; if it moved the call fails with `invalid_input` and issue code `publication_changed` on `/continuation` instead of mixing revisions (the server always serves the current revision; it ignores `release=`). Chapter 77 is reserved and empty; empty chapters are skipped. Rows are mapped per the collection contract: `htsno` as `source_record_id` (unnumbered headings get `:` and a `parent_htsno`), derived `hts_level`, `hs6`, `statistical_suffix`, `chapter`. Collection contract name: `records/list`. - [Search](https://firecrawl.dev/alexandria/agents/providers/hts-usitc-gov/tariff-schedule/search): Keyword search of the current revision through `reststop/search?keyword=`: substring match on article descriptions and HTS numbers, the server returns every hit (152 for `copper`) and this function keeps the first `limit`. Hits carry the search endpoint's own fields (`statisticalSuffix`, `effectivePeriod`) plus the derived `hts_level`, `hs6` and `chapter`. No hits is a legitimate empty result. - [Source status](https://firecrawl.dev/alexandria/agents/providers/hts-usitc-gov/tariff-schedule/source_status): Cheap version check of the Harmonized Tariff Schedule: the current revision from `reststop/releaseList` (exactly one entry has `status: current`) with its name as `publication_id`, title, publication and effective dates, the previous revision and the publisher's PDF/JSON file URLs. The publisher posts no hash and the API sends no ETag, so `content_hash` and `record_count` are null: `publication_id` is the change key (a new revision every ~2 weeks). Collection contract name: `source/status`. ## 1. Choose this provider when The Harmonized Tariff Schedule of the United States from the USITC HTS REST API (hts.usitc.gov/reststop): the current revision's identity and dates, every HTS line (4-, 6-, 8- and 10-digit numbers, group headings, descriptions, units, General/Special/Column 2 duty rates, footnotes) one chapter per page, one line by HTS number, and keyword search. Current revision only: the API serves no archived revisions as data. ## 2. Minimal request Call `POST https://api.firecrawl.dev/v2/scrape` with `{ alexandria: { provider, capability, options } }`. For a batch, send `{ alexandria: [...] }` with up to 10 calls. ```json { "provider": "hts-usitc-gov", "capability": "tariff-schedule/records_get", "options": { "htsno": "8541.43.00.10" } } ``` ## 3. Add provider options Use only the options needed for the task: - `htsno` (string, required): HTS number, dotted or bare digits (4, 6, 8 or 10 digits), or a `:` heading id from `records_list`. Example: `:` ## 4. Request through your preferred interface ### JavaScript ```javascript const result = await firecrawl.scrape({ alexandria: { provider: "hts-usitc-gov", capability: "tariff-schedule/records_get", options: { htsno: "8541.43.00.10", }, }, }); ``` ### Python ```python result = firecrawl.scrape_alexandria({ "provider": "hts-usitc-gov", "capability": "tariff-schedule/records_get", "options": { "htsno": "8541.43.00.10" } }) ``` ### cURL ```sh curl https://api.firecrawl.dev/v2/scrape \ -H "Authorization: Bearer $FIRECRAWL_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "alexandria": { "provider": "hts-usitc-gov", "capability": "tariff-schedule/records_get", "options": { "htsno": "8541.43.00.10" } } }' ``` ### CLI ```sh firecrawl scrape 'hts-usitc-gov/tariff-schedule/records_get' \ --options '{"htsno":"8541.43.00.10"}' ``` ### MCP Call the FCX MCP retrieve tool with this object: ```json { "provider": "hts-usitc-gov", "capability": "tariff-schedule/records_get", "options": { "htsno": "8541.43.00.10" } } ``` Ask for only the returned fields needed by the task. ## 5. Full request shape ```json { "provider": "hts-usitc-gov", "capability": "tariff-schedule/records_get", "options": { "htsno": "8541.43.00.10" } } ``` ## 6. Response data The response includes `success`, `provider`, `capability`, `creditsCost` and `data`. This example shows the provider payload in `data`: ```json { "additional_duties": null, "chapter": "85", "description": "Crystalline silicon photovoltaic cells of a kind described in statistical note 12 to this chapter", "footnotes": [], "general": "", "hs6": "854143", "hts_level": 10, "htsno": "8541.43.00.10", "indent": 3, "other": "", "parent_htsno": "8541.43.00", "publication_id": "2026HTSRev21", "quota_quantity": null, "retrieved_at": "2026-10-18T05:54:10Z", "source_record_id": "8541.43.00.10", "source_url": "https://hts.usitc.gov/reststop/exportList?from=8541&to=8541.99.99.99&format=JSON&styles=false", "special": "", "statistical_suffix": "10", "superior": false, "units": [ "No.", "W" ] } ``` ## API reference-derived contract The following capability contract is generated from the same normalized Alexandria API reference exposed in the API spec. ### Records get - Capability: `tariff-schedule/records_get` - Description: One HTS line by its number: exports the 4-digit heading's range (`exportList?from=HHHH&to=HHHH.99.99.99`) and returns the matching row in the same shape as `records_list`, with `parent_htsno` computed within the heading. Accepts the dotted form (`8541.43.00.10`) or bare digits (`8541430010`) with 4, 6, 8 or 10 digits, and the `:` id that `records_list` gives unnumbered headings (one chapter export). A number the current revision does not carry is `not_found`. Collection contract name: `records/get`. - Instructions: Look up the description, units and duty rates of one HTS number. - Cost: 5 credits per call - Capability file: [Records get](https://firecrawl.dev/alexandria/agents/providers/hts-usitc-gov/tariff-schedule/records_get) Accepted options: - `htsno` (string, required): HTS number, dotted or bare digits (4, 6, 8 or 10 digits), or a `:` heading id from `records_list`. Example: `:` Response schema example: ```json { "additional_duties": null, "chapter": "85", "description": "Crystalline silicon photovoltaic cells of a kind described in statistical note 12 to this chapter", "footnotes": [], "general": "", "hs6": "854143", "hts_level": 10, "htsno": "8541.43.00.10", "indent": 3, "other": "", "parent_htsno": "8541.43.00", "publication_id": "2026HTSRev21", "quota_quantity": null, "retrieved_at": "2026-10-18T05:54:10Z", "source_record_id": "8541.43.00.10", "source_url": "https://hts.usitc.gov/reststop/exportList?from=8541&to=8541.99.99.99&format=JSON&styles=false", "special": "", "statistical_suffix": "10", "superior": false, "units": [ "No.", "W" ] } ``` ### Records list - Capability: `tariff-schedule/records_list` - Description: Every HTS line of the current revision, segmented by chapter: `exportList?from=CC00&to=CC99&format=JSON&styles=false` for one two-digit chapter per segment, paged by `limit` rows. Before each page the current revision name is re-read (`reststop/currentRelease`) and compared with the one pinned in the cursor; if it moved the call fails with `invalid_input` and issue code `publication_changed` on `/continuation` instead of mixing revisions (the server always serves the current revision; it ignores `release=`). Chapter 77 is reserved and empty; empty chapters are skipped. Rows are mapped per the collection contract: `htsno` as `source_record_id` (unnumbered headings get `:` and a `parent_htsno`), derived `hts_level`, `hs6`, `statistical_suffix`, `chapter`. Collection contract name: `records/list`. - Instructions: Full collection of the schedule: start with no cursor (chapter 01) or at a chapter, follow `next_cursor` until it is null. - Cost: 5 credits per call - Capability file: [Records list](https://firecrawl.dev/alexandria/agents/providers/hts-usitc-gov/tariff-schedule/records_list) Accepted options: - `chapter` (string): Chapter to start at, `01`..`99` (two digits). Default `01`. Not with `continuation`. Pattern: ^[0-9]{2}$. Example: `01` - `continuation` (string): `next_cursor` from the previous page; pins the revision, chapter and row offset. Example: `next_cursor` - `limit` (number): Rows per page. Default 500; 5000 returns any chapter in one page (chapter 99, the largest, has about 3,350 rows). Example: `500` Response schema example: ```json { "chapter": "01", "next_cursor": "2026HTSRev21:01:12", "offset": 0, "publication_id": "2026HTSRev21", "records": [ { "additional_duties": null, "chapter": "01", "description": "Live horses, asses, mules and hinnies:", "footnotes": [], "general": "", "hs6": null, "hts_level": 4, "htsno": "0101", "indent": 0, "other": "", "parent_htsno": null, "publication_id": "2026HTSRev21", "quota_quantity": null, "retrieved_at": "2026-10-18T05:54:07Z", "source_record_id": "0101", "source_url": "https://hts.usitc.gov/reststop/exportList?from=0100&to=0199&format=JSON&styles=false", "special": "", "statistical_suffix": null, "superior": false, "units": [] }, { "additional_duties": null, "chapter": "01", "description": "Horses:", "footnotes": [], "general": "", "hs6": null, "hts_level": null, "htsno": null, "indent": 1, "other": "", "parent_htsno": "0101", "publication_id": "2026HTSRev21", "quota_quantity": null, "retrieved_at": "2026-10-18T05:54:07Z", "source_record_id": "01:1", "source_url": "https://hts.usitc.gov/reststop/exportList?from=0100&to=0199&format=JSON&styles=false", "special": "", "statistical_suffix": null, "superior": true, "units": [] }, { "additional_duties": null, "chapter": "01", "description": "Purebred breeding animals", "footnotes": [], "general": "Free", "hs6": "010121", "hts_level": 8, "htsno": "0101.21.00", "indent": 2, "other": "Free", "parent_htsno": "0101", "publication_id": "2026HTSRev21", "quota_quantity": null, "retrieved_at": "2026-10-18T05:54:07Z", "source_record_id": "0101.21.00", "source_url": "https://hts.usitc.gov/reststop/exportList?from=0100&to=0199&format=JSON&styles=false", "special": "", "statistical_suffix": null, "superior": false, "units": [] }, { "additional_duties": null, "chapter": "01", "description": "Males", "footnotes": [], "general": "", "hs6": "010121", "hts_level": 10, "htsno": "0101.21.00.10", "indent": 3, "other": "", "parent_htsno": "0101.21.00", "publication_id": "2026HTSRev21", "quota_quantity": null, "retrieved_at": "2026-10-18T05:54:07Z", "source_record_id": "0101.21.00.10", "source_url": "https://hts.usitc.gov/reststop/exportList?from=0100&to=0199&format=JSON&styles=false", "special": "", "statistical_suffix": "10", "superior": false, "units": [ "No." ] }, { "additional_duties": null, "chapter": "01", "description": "Females", "footnotes": [], "general": "", "hs6": "010121", "hts_level": 10, "htsno": "0101.21.00.20", "indent": 3, "other": "", "parent_htsno": "0101.21.00", "publication_id": "2026HTSRev21", "quota_quantity": null, "retrieved_at": "2026-10-18T05:54:07Z", "source_record_id": "0101.21.00.20", "source_url": "https://hts.usitc.gov/reststop/exportList?from=0100&to=0199&format=JSON&styles=false", "special": "", "statistical_suffix": "20", "superior": false, "units": [ "No." ] }, { "additional_duties": null, "chapter": "01", "description": "Other", "footnotes": [], "general": "Free", "hs6": "010129", "hts_level": 8, "htsno": "0101.29.00", "indent": 2, "other": "20%", "parent_htsno": "0101", "publication_id": "2026HTSRev21", "quota_quantity": null, "retrieved_at": "2026-10-18T05:54:07Z", "source_record_id": "0101.29.00", "source_url": "https://hts.usitc.gov/reststop/exportList?from=0100&to=0199&format=JSON&styles=false", "special": "", "statistical_suffix": null, "superior": false, "units": [] }, { "additional_duties": null, "chapter": "01", "description": "Imported for immediate slaughter", "footnotes": [], "general": "", "hs6": "010129", "hts_level": 10, "htsno": "0101.29.00.10", "indent": 3, "other": "", "parent_htsno": "0101.29.00", "publication_id": "2026HTSRev21", "quota_quantity": null, "retrieved_at": "2026-10-18T05:54:07Z", "source_record_id": "0101.29.00.10", "source_url": "https://hts.usitc.gov/reststop/exportList?from=0100&to=0199&format=JSON&styles=false", "special": "", "statistical_suffix": "10", "superior": false, "units": [ "No." ] }, { "additional_duties": null, "chapter": "01", "description": "Other", "footnotes": [], "general": "", "hs6": "010129", "hts_level": 10, "htsno": "0101.29.00.90", "indent": 3, "other": "", "parent_htsno": "0101.29.00", "publication_id": "2026HTSRev21", "quota_quantity": null, "retrieved_at": "2026-10-18T05:54:07Z", "source_record_id": "0101.29.00.90", "source_url": "https://hts.usitc.gov/reststop/exportList?from=0100&to=0199&format=JSON&styles=false", "special": "", "statistical_suffix": "90", "superior": false, "units": [ "No." ] }, { "additional_duties": null, "chapter": "01", "description": "Asses", "footnotes": [], "general": "6.8%", "hs6": "010130", "hts_level": 10, "htsno": "0101.30.00.00", "indent": 1, "other": "15%", "parent_htsno": "0101", "publication_id": "2026HTSRev21", "quota_quantity": null, "retrieved_at": "2026-10-18T05:54:07Z", "source_record_id": "0101.30.00.00", "source_url": "https://hts.usitc.gov/reststop/exportList?from=0100&to=0199&format=JSON&styles=false", "special": "Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)", "statistical_suffix": "00", "superior": false, "units": [ "No." ] }, { "additional_duties": null, "chapter": "01", "description": "Other:", "footnotes": [], "general": "", "hs6": "010190", "hts_level": 6, "htsno": "0101.90", "indent": 1, "other": "", "parent_htsno": "0101", "publication_id": "2026HTSRev21", "quota_quantity": null, "retrieved_at": "2026-10-18T05:54:07Z", "source_record_id": "0101.90", "source_url": "https://hts.usitc.gov/reststop/exportList?from=0100&to=0199&format=JSON&styles=false", "special": "", "statistical_suffix": null, "superior": false, "units": [] }, { "additional_duties": null, "chapter": "01", "description": "Imported for immediate slaughter", "footnotes": [], "general": "Free", "hs6": "010190", "hts_level": 10, "htsno": "0101.90.30.00", "indent": 2, "other": "Free", "parent_htsno": "0101.90", "publication_id": "2026HTSRev21", "quota_quantity": null, "retrieved_at": "2026-10-18T05:54:07Z", "source_record_id": "0101.90.30.00", "source_url": "https://hts.usitc.gov/reststop/exportList?from=0100&to=0199&format=JSON&styles=false", "special": "", "statistical_suffix": "00", "superior": false, "units": [ "No." ] }, { "additional_duties": null, "chapter": "01", "description": "Other", "footnotes": [], "general": "4.5%", "hs6": "010190", "hts_level": 10, "htsno": "0101.90.40.00", "indent": 2, "other": "20%", "parent_htsno": "0101.90", "publication_id": "2026HTSRev21", "quota_quantity": null, "retrieved_at": "2026-10-18T05:54:07Z", "source_record_id": "0101.90.40.00", "source_url": "https://hts.usitc.gov/reststop/exportList?from=0100&to=0199&format=JSON&styles=false", "special": "Free (A+,AU,BH,CL,CO,D,E, IL,JO,KR,MA,OM,P,PA,PE,S, SG)", "statistical_suffix": "00", "superior": false, "units": [ "No." ] } ], "retrieved_at": "2026-10-18T05:54:07Z", "segment_record_count": 126, "segment_url": "https://hts.usitc.gov/reststop/exportList?from=0100&to=0199&format=JSON&styles=false" } ``` ### Search - Capability: `tariff-schedule/search` - Description: Keyword search of the current revision through `reststop/search?keyword=`: substring match on article descriptions and HTS numbers, the server returns every hit (152 for `copper`) and this function keeps the first `limit`. Hits carry the search endpoint's own fields (`statisticalSuffix`, `effectivePeriod`) plus the derived `hts_level`, `hs6` and `chapter`. No hits is a legitimate empty result. - Instructions: Find candidate HTS numbers for an article by keyword, then `records_get` for the row in its heading context. - Cost: 5 credits per call - Capability file: [Search](https://firecrawl.dev/alexandria/agents/providers/hts-usitc-gov/tariff-schedule/search) Accepted options: - `keyword` (string, required): Word, phrase or HTS number fragment; must contain a non-whitespace character. Example: `` - `limit` (number): Maximum hits to return, in the server's order. Default 100. Example: `100` Response schema example: ```json { "hits": [ { "additional_duties": null, "chapter": "26", "description": "Copper ores and concentrates", "effective_period": null, "footnotes": [], "general": "1.7¢/kg on lead content", "hs6": "260300", "hts_level": 8, "htsno": "2603.00.00", "indent": 0, "other": "8.8¢/kg on copper content + 3.3¢/kg on lead content + 3.7¢/kg on zinc content", "publication_id": "2026HTSRev21", "quota_quantity": null, "retrieved_at": "2026-10-18T05:54:14Z", "source_record_id": "2603.00.00", "source_url": "https://hts.usitc.gov/reststop/search?keyword=copper", "special": "Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)", "statistical_suffix": null, "units": [] }, { "additional_duties": null, "chapter": "26", "description": "Copper content", "effective_period": null, "footnotes": [ { "columns": [ "units" ], "marker": "1", "type": "endnote", "value": "Report value only of stated metal content." } ], "general": "", "hs6": "260300", "hts_level": 10, "htsno": "2603.00.00.10", "indent": 1, "other": "", "publication_id": "2026HTSRev21", "quota_quantity": null, "retrieved_at": "2026-10-18T05:54:14Z", "source_record_id": "2603.00.00.10", "source_url": "https://hts.usitc.gov/reststop/search?keyword=copper", "special": "", "statistical_suffix": "10", "units": [ "Cu kg" ] }, { "additional_duties": null, "chapter": "26", "description": "Lead ores and concentrates", "effective_period": null, "footnotes": [], "general": "1.1¢/kg on lead content", "hs6": "260700", "hts_level": 8, "htsno": "2607.00.00", "indent": 0, "other": "8.8¢/kg on copper content + 3.3¢/kg on lead content + 3.7¢/kg on zinc content", "publication_id": "2026HTSRev21", "quota_quantity": null, "retrieved_at": "2026-10-18T05:54:14Z", "source_record_id": "2607.00.00", "source_url": "https://hts.usitc.gov/reststop/search?keyword=copper", "special": "Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)", "statistical_suffix": null, "units": [] }, { "additional_duties": null, "chapter": "26", "description": "Copper content", "effective_period": null, "footnotes": [ { "columns": [ "units" ], "marker": "1", "type": "endnote", "value": "Report value only of stated metal content." } ], "general": "", "hs6": "260700", "hts_level": 10, "htsno": "2607.00.00.10", "indent": 1, "other": "", "publication_id": "2026HTSRev21", "quota_quantity": null, "retrieved_at": "2026-10-18T05:54:14Z", "source_record_id": "2607.00.00.10", "source_url": "https://hts.usitc.gov/reststop/search?keyword=copper", "special": "", "statistical_suffix": "10", "units": [ "Cu kg" ] }, { "additional_duties": null, "chapter": "26", "description": "Zinc ores and concentrates", "effective_period": null, "footnotes": [], "general": "Free", "hs6": "260800", "hts_level": 8, "htsno": "2608.00.00", "indent": 0, "other": "8.8¢/kg on copper content + 3.3¢/kg on lead content + 3.7¢/kg on zinc content", "publication_id": "2026HTSRev21", "quota_quantity": null, "retrieved_at": "2026-10-18T05:54:14Z", "source_record_id": "2608.00.00", "source_url": "https://hts.usitc.gov/reststop/search?keyword=copper", "special": "", "statistical_suffix": null, "units": [] } ], "keyword": "copper", "publication_id": "2026HTSRev21", "retrieved_at": "2026-10-18T05:54:14Z", "source_url": "https://hts.usitc.gov/reststop/search?keyword=copper", "total_hits": 152, "truncated": true } ``` ### Source status - Capability: `tariff-schedule/source_status` - Description: Cheap version check of the Harmonized Tariff Schedule: the current revision from `reststop/releaseList` (exactly one entry has `status: current`) with its name as `publication_id`, title, publication and effective dates, the previous revision and the publisher's PDF/JSON file URLs. The publisher posts no hash and the API sends no ETag, so `content_hash` and `record_count` are null: `publication_id` is the change key (a new revision every ~2 weeks). Collection contract name: `source/status`. - Instructions: Before or between `records_list` pages to learn the current revision, or to detect that the schedule moved to a new revision. - Cost: 5 credits per call - Capability file: [Source status](https://firecrawl.dev/alexandria/agents/providers/hts-usitc-gov/tariff-schedule/source_status) Accepted options: Response schema example: ```json { "content_hash": null, "description": "2026 HTS Revision 21", "effective_from": "2026-10-09", "files": [ { "format": "pdf", "name": "finalCopy", "note": "Complete HTS as published (PDF). Archived revisions and change records exist only as PDFs.", "url": "https://hts.usitc.gov/reststop/file?release=2026HTSRev21&filename=finalCopy" }, { "format": "json", "name": "htsdata.json", "note": "Full-schedule JSON export, about 12.6 MB and 2 to 34 s; always the current revision (release= is ignored). records_list reads it one chapter at a time.", "url": "https://hts.usitc.gov/reststop/exportList?from=0100&to=9999&format=JSON&styles=false" }, { "format": "csv", "name": "htsdata.csv", "note": "Full-schedule CSV export; same rows as the JSON export.", "url": "https://hts.usitc.gov/reststop/exportList?from=0100&to=9999&format=CSV&styles=false" } ], "previous_effective_to": "2026-10-09", "previous_publication_id": "2026HTSRev20", "publication_id": "2026HTSRev21", "published_date": "2026-10-07", "record_count": null, "retrieved_at": "2026-10-18T05:54:03Z", "revision_count": 184, "segment_key": "chapter", "source_url": "https://hts.usitc.gov/reststop/releaseList", "status": "current", "target_date": "2026-10-09", "title": "Revision 21 (2026)" } ```