search_doffin

Search Norwegian public procurement notices on Doffin.

Signature: search_doffin(query: string, optional, default ''; types: list of string (comma-separated), optional, default None; statuses: list of string (comma-separated), optional, default None; contract_nature: list of string (comma-separated), optional, default None; cpv_codes: list of string (comma-separated), optional, default None; locations: list of string (comma-separated), optional, default None; buyer: list of string (comma-separated), optional, default None; winner: list of string (comma-separated), optional, default None; date_from: string, optional, default None; date_to: string, optional, default None; sort_by: string, optional, default 'RELEVANCE'; page: integer, optional, default 1; hits_per_page: integer, optional, default 10; include_placeholders: yes/no, optional, default False; limit: integer, items, optional, default 25; offset: integer, items, optional, default 0)

Direct GET

For navigating agents: open the HTML page with parameters in the URL. The result is fetched and displayed without screenshots or form filling.

Open this validated HTML GET URL

https://allemannsdata.com/wiki/kilder/doffin/search_doffin/?query=&types={types}&statuses={statuses}&contract_nature={contract_nature}&cpv_codes={cpv_codes}&locations={locations}&buyer={buyer}&winner={winner}&date_from={date_from}&date_to={date_to}&sort_by=RELEVANCE&page=1&hits_per_page=10&include_placeholders=false&limit=25&offset=0

Replace {query}, {types}, {statuses}, {contract_nature}, {cpv_codes}, {locations}, {buyer}, {winner}, {date_from}, {date_to}, {sort_by}, {page}, {hits_per_page}, {include_placeholders} with values. Remove unused optional parameters from the URL.

For software and dashboards: Read the operation descriptor. The JSON GET template is https://allemannsdata.com/wiki/api/v1/kilder/doffin/search_doffin?query=&types={types}&statuses={statuses}&contract_nature={contract_nature}&cpv_codes={cpv_codes}&locations={locations}&buyer={buyer}&winner={winner}&date_from={date_from}&date_to={date_to}&sort_by=RELEVANCE&page=1&hits_per_page=10&include_placeholders=false&limit=25&offset=0. Open this exact request as JSON.

ParameterRequirementJSON typeDescription
queryoptionalstringFree-text search (Norwegian or English), e.g. "IT-drift", "snørydding", "rammeavtale konsulent". Start here.
typesoptionalunionFilter by notice type. Parent types: PLANNING, COMPETITION, RESULT. Specific types: ANNOUNCEMENT_OF_COMPETITION, DYNAMIC_PURCHASING_SCHEME, QUALIFICATION_SCHEME, ANNOUNCEMENT_OF_INTENT, PRE_ANNOUNCEMENT, ADVISORY_NOTICE, NOTICE_ON_BUYER_PROFILE, ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT, CHANGE_OF_CONCLUSION_OF_CONTRACT, CANCELLED_OR_MISSING_CONCLUSION_OF_CONTRACT. Use ["COMPETITION"] + statuses=["ACTIVE"] for open tenders.
statusesoptionalunionACTIVE (open for bids), EXPIRED, AWARDED, CANCELLED.
contract_natureoptionalunionWORKS, SERVICES and/or SUPPLIES.
cpv_codesoptionalunion8-digit CPV codes, e.g. ["45000000"]. Matches the code and its children. Find codes with search_cpv_codes(). Best combined with a free-text query.
locationsoptionalunionNUTS-style location ids, e.g. ["NO060"] (Trøndelag), or "anyw" for non-location-bound. See list_location_codes().
buyeroptionalunionBuyer organization full name(s) exactly as written on notices, e.g. ["Trondheim kommune"]. Resolved to Doffin's internal buyer id via a free-text lookup; names that match no buyer are reported in "note" and, if none match, no results are returned (rather than an unfiltered search). Pass the 32-hex buyer id from a result's buyer field directly to skip the lookup.
winneroptionalunionDoffin's internal supplier id (32-hex). Winner names cannot be used - they are not present in search results to resolve against.
date_fromoptionalunionPublication date lower bound, "YYYY-MM-DD".
date_tooptionalunionPublication date upper bound, "YYYY-MM-DD".
sort_byoptionalstringRELEVANCE (default), PUBLICATION_DATE_DESC, PUBLICATION_DATE_ASC, DEADLINE, ESTIMATED_VALUE_ASC, ESTIMATED_VALUE_DESC.
pageoptionalinteger1-based page number.
hits_per_pageoptionalinteger1-50 (default 10).
include_placeholdersoptionalbooleanBy default, hits whose buyer fields look like unfilled eForm template values (org id 123456789, placeholder buyer names) are dropped from the results as junk. Set True to keep them, each flagged with "possible_placeholder": true.
limitoptionalintegerGateway page size; default 25, maximum 100.
offsetoptionalintegerNumber of list items to skip; default 0.
Generated JavaScript, Python and response structure

Use JSON when the user requests code, machine-readable data, value extraction or further computation. Use the HTML GET page to identify the correct source and verify parameters.

Example for generated JavaScript and Python

https://allemannsdata.com/wiki/api/v1/kilder/doffin/search_doffin?query=&types={types}&statuses={statuses}&contract_nature={contract_nature}&cpv_codes={cpv_codes}&locations={locations}&buyer={buyer}&winner={winner}&date_from={date_from}&date_to={date_to}&sort_by=RELEVANCE&page=1&hits_per_page=10&include_placeholders=false&limit=25&offset=0

Replace URL placeholders and remove unused optional parameters.

JavaScript in a dashboard

const url = "https://allemannsdata.com/wiki/api/v1/kilder/doffin/search_doffin?query=&types={types}&statuses={statuses}&contract_nature={contract_nature}&cpv_codes={cpv_codes}&locations={locations}&buyer={buyer}&winner={winner}&date_from={date_from}&date_to={date_to}&sort_by=RELEVANCE&page=1&hits_per_page=10&include_placeholders=false&limit=25&offset=0";
const response = await fetch(url);
if (!response.ok) {
  const failure = await response.json();
  throw new Error(`${failure.error.code}: ${failure.error.message} ${failure.suggestion}`);
}
const result = await response.json();
const data = result.data;

Python without additional packages

import json
from urllib.request import urlopen

url = "https://allemannsdata.com/wiki/api/v1/kilder/doffin/search_doffin?query=&types={types}&statuses={statuses}&contract_nature={contract_nature}&cpv_codes={cpv_codes}&locations={locations}&buyer={buyer}&winner={winner}&date_from={date_from}&date_to={date_to}&sort_by=RELEVANCE&page=1&hits_per_page=10&include_placeholders=false&limit=25&offset=0"
with urlopen(url) as response:
    result = json.load(response)
data = result["data"]

Response structure

{
  "source": "doffin",
  "operation": "search_doffin",
  "parameters": {},
  "data": {},
  "entities": [],
  "_meta": {"retrieved_at": "...", "sources": [], "cache": {}},
  "_links": {"self": "...", "source": "...", "wiki": "...", "feedback": "..."}
}
Form for manual use

The form is a fallback for people and browser agents that cannot open the GET URL directly.

Type: string. Free-text search (Norwegian or English), e.g. "IT-drift", "snørydding", "rammeavtale konsulent". Start here.
Type: list of string (comma-separated). Filter by notice type. Parent types: PLANNING, COMPETITION, RESULT. Specific types: ANNOUNCEMENT_OF_COMPETITION, DYNAMIC_PURCHASING_SCHEME, QUALIFICATION_SCHEME, ANNOUNCEMENT_OF_INTENT, PRE_ANNOUNCEMENT, ADVISORY_NOTICE, NOTICE_ON_BUYER_PROFILE, ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT, CHANGE_OF_CONCLUSION_OF_CONTRACT, CANCELLED_OR_MISSING_CONCLUSION_OF_CONTRACT. Use ["COMPETITION"] + statuses=["ACTIVE"] for open tenders.
Type: list of string (comma-separated). ACTIVE (open for bids), EXPIRED, AWARDED, CANCELLED.
Type: list of string (comma-separated). WORKS, SERVICES and/or SUPPLIES.
Type: list of string (comma-separated). 8-digit CPV codes, e.g. ["45000000"]. Matches the code and its children. Find codes with search_cpv_codes(). Best combined with a free-text query.
Type: list of string (comma-separated). NUTS-style location ids, e.g. ["NO060"] (Trøndelag), or "anyw" for non-location-bound. See list_location_codes().
Type: list of string (comma-separated). Buyer organization full name(s) exactly as written on notices, e.g. ["Trondheim kommune"]. Resolved to Doffin's internal buyer id via a free-text lookup; names that match no buyer are reported in "note" and, if none match, no results are returned (rather than an unfiltered search). Pass the 32-hex buyer id from a result's buyer field directly to skip the lookup.
Type: list of string (comma-separated). Doffin's internal supplier id (32-hex). Winner names cannot be used - they are not present in search results to resolve against.
Type: string. Publication date lower bound, "YYYY-MM-DD".
Type: string. Publication date upper bound, "YYYY-MM-DD".
Type: string. RELEVANCE (default), PUBLICATION_DATE_DESC, PUBLICATION_DATE_ASC, DEADLINE, ESTIMATED_VALUE_ASC, ESTIMATED_VALUE_DESC.
Type: integer. 1-based page number.
Type: integer. 1-50 (default 10).
Type: yes/no. By default, hits whose buyer fields look like unfilled eForm template values (org id 123456789, placeholder buyer names) are dropped from the results as junk. Set True to keep them, each flagged with "possible_placeholder": true.

Result

Source: Doffin and TED. Retrieved 2026-09-12T03:38:20Z in 0.146 seconds.

total_count:
6
hits:

6 results

  1. id:
    2023-612954
    buyer:

    1 results

    1. id:
      61d8d35467c71442f93ef5bd1a5669dd
      organization_id:
      821 311 632
      name:
      Vestland fylkeskommune
    heading:
    GSV Loen – Solvik, tilkomstveg Leitekvia og bustadfelt Solvik
    description:
    Stryn kommune samanmed Vestland fylkeskommune innbyr til å delta i konkurransen om bygging av ny gang- og sykkelveg frå Loen til Solvik, samt ny kommunal tilkomstveg med fortau til Leitekvia, og nytt bustadfelt i Solvik med kommunale veger og nytt kommunalteknisk VA anlegg. For Vestland fylkeskommune omfattar anskaffelsen bygging av ca. 1 km komplett gang- og sykkelveg. For Stryn kommune omfattar anskaffelsen bygging av ca. 1 km ny kommunal tilkomstveg og nytt bustadfelt.
    location_id:

    1 results

    1. NO0A2
    estimatedValue:
    not reported by source
    type:
    ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. RESULT
    2. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    status:
    not reported by source
    issueDate:
    2023-06-28T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2023-06-28
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  2. id:
    2024-113954
    buyer:

    1 results

    1. id:
      46a2be9f3ab71bf96cf7390c2d459d45
      organization_id:
      939 760 946
      name:
      Volda Kommune
    heading:
    Carport Volda omsorgssenter
    description:
    Anskaffinga gjeld omlegging av dagens parkeringsareal ved Volda omsorgssenter med blant anna oppføring av 16 bilparkeringsplassar med Carport. Det visast til Vedlegg 5 «Kravspesifikasjon» for ei nærare beskriving av arbeidet som skal inngå i prosjektet.
    location_id:

    1 results

    1. NO0A3
    estimatedValue:
    currencyCode:
    NOK
    amount:
    3200000.0
    type:
    ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. RESULT
    2. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    status:
    not reported by source
    issueDate:
    2024-09-30T13:54:57Z
    deadline:
    not reported by source
    sentToTed:
    no
    publicationDate:
    2024-10-01
    placeOfPerformance:
    procurementStrategicLabels:

    No results.

  3. id:
    2022-396157
    buyer:

    1 results

    1. id:
      8c8bcdbf3420a112e6716a0295bf72c6
      organization_id:
      925 768 480
      name:
      Nordplan AS
    heading:
    Amfi og servicebygg Volda
    description:
    Volda kommune skal etablere amfi mot elv på eksisterande molo i Volda sentrum, samt nytt service bygg med oppgradering av VA.
    location_id:

    1 results

    1. NO0A3
    estimatedValue:
    not reported by source
    type:
    ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. RESULT
    2. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    status:
    not reported by source
    issueDate:
    2022-03-11T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    no
    publicationDate:
    2022-03-11
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  4. id:
    2017-485188
    buyer:

    1 results

    1. id:
      815705bcb7d50305ae4b03072744323f
      organization_id:
      939 461 450
      name:
      Ørsta kommune
    heading:
    Ørsta flyplass- kryssing med vassleidning
    description:
    Ørsta kommune skal ha utført oppdraget ”Ørsta flyplass- kryssing med vassleidning” i henhold til vedlagt beskrivelse og teikningar. omfanget er ca 130 lm med grøfter, boring gjennom E-39, nedsetting av nye kummer. Arbeidet vil vere delvis inne på flyplassen og vil kreve godt samarbeid med Avinor slik at flytrafikken kan gå som planlagt.
    location_id:

    1 results

    1. NO0
    estimatedValue:
    not reported by source
    type:
    ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. RESULT
    2. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    status:
    not reported by source
    issueDate:
    2017-10-31T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    no
    publicationDate:
    2017-10-31
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  5. id:
    2024-111747
    buyer:

    1 results

    1. id:
      8fad0b4711ec539dd006b97e4e017474
      organization_id:
      929 911 709
      name:
      Ålesund kommune
    heading:
    E01 Bergarbeider Kongshaugen
    description:
    Byggherre skal inngå kontrakt med én entreprenør for bergarbeider på Kongshaugen (entreprise E01). Entreprenøren vil være hovedentreprenør.
    location_id:

    1 results

    1. NO0A3
    estimatedValue:
    not reported by source
    type:
    ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. RESULT
    2. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    status:
    not reported by source
    issueDate:
    2024-08-15T10:32:28Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2024-08-19
    placeOfPerformance:
    procurementStrategicLabels:

    No results.

  6. id:
    2024-111289
    buyer:

    1 results

    1. id:
      52459dfe4b6e1a807010d9e71e8544e9
      organization_id:
      920920004
      name:
      Heim kommune
    heading:
    Anskaffelse vintervedlikehold Rode 1 og rodene 3 til 12 - 2024-2027 - Heim kommune
    description:
    Heim kommune skal anskaffe tjenester for vintervedlikehold av kommunale plasser og veier for tilsammen 11 roder for perioden 2024-2027. Anskaffelsen omfatter snøbrøyting/snørydding og strøing for alle plasser og veier som driftes av kommunen. Avtalen starter å løpe 15.10.2024 og går frem til og med 15.04.2027. Anskaffelsen består av 11 delkontrakter (roder) der det skal inngås separate kontrakter for hver enkelt rode. Leverandører kan velge å gi pris på en eller flere roder.
    location_id:

    1 results

    1. NO060
    estimatedValue:
    not reported by source
    type:
    ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. RESULT
    2. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    status:
    not reported by source
    issueDate:
    2024-08-02T08:05:08Z
    deadline:
    2027-04-14T00:00:00Z
    sentToTed:
    yes
    publicationDate:
    2024-08-05
    placeOfPerformance:
    procurementStrategicLabels:

    No results.

limit:
25
offset:
0
returned:
6
has_more_results:
no
truncated:
no
Show all fields in HTML
total_count:
6
hits:

6 results

  1. id:
    2023-612954
    buyer:

    1 results

    1. id:
      61d8d35467c71442f93ef5bd1a5669dd
      organization_id:
      821 311 632
      name:
      Vestland fylkeskommune
    heading:
    GSV Loen – Solvik, tilkomstveg Leitekvia og bustadfelt Solvik
    description:
    Stryn kommune samanmed Vestland fylkeskommune innbyr til å delta i konkurransen om bygging av ny gang- og sykkelveg frå Loen til Solvik, samt ny kommunal tilkomstveg med fortau til Leitekvia, og nytt bustadfelt i Solvik med kommunale veger og nytt kommunalteknisk VA anlegg. For Vestland fylkeskommune omfattar anskaffelsen bygging av ca. 1 km komplett gang- og sykkelveg. For Stryn kommune omfattar anskaffelsen bygging av ca. 1 km ny kommunal tilkomstveg og nytt bustadfelt.
    location_id:

    1 results

    1. NO0A2
    estimatedValue:
    not reported by source
    type:
    ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. RESULT
    2. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    status:
    not reported by source
    issueDate:
    2023-06-28T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2023-06-28
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  2. id:
    2024-113954
    buyer:

    1 results

    1. id:
      46a2be9f3ab71bf96cf7390c2d459d45
      organization_id:
      939 760 946
      name:
      Volda Kommune
    heading:
    Carport Volda omsorgssenter
    description:
    Anskaffinga gjeld omlegging av dagens parkeringsareal ved Volda omsorgssenter med blant anna oppføring av 16 bilparkeringsplassar med Carport. Det visast til Vedlegg 5 «Kravspesifikasjon» for ei nærare beskriving av arbeidet som skal inngå i prosjektet.
    location_id:

    1 results

    1. NO0A3
    estimatedValue:
    currencyCode:
    NOK
    amount:
    3200000.0
    type:
    ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. RESULT
    2. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    status:
    not reported by source
    issueDate:
    2024-09-30T13:54:57Z
    deadline:
    not reported by source
    sentToTed:
    no
    publicationDate:
    2024-10-01
    placeOfPerformance:
    procurementStrategicLabels:

    No results.

  3. id:
    2022-396157
    buyer:

    1 results

    1. id:
      8c8bcdbf3420a112e6716a0295bf72c6
      organization_id:
      925 768 480
      name:
      Nordplan AS
    heading:
    Amfi og servicebygg Volda
    description:
    Volda kommune skal etablere amfi mot elv på eksisterande molo i Volda sentrum, samt nytt service bygg med oppgradering av VA.
    location_id:

    1 results

    1. NO0A3
    estimatedValue:
    not reported by source
    type:
    ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. RESULT
    2. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    status:
    not reported by source
    issueDate:
    2022-03-11T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    no
    publicationDate:
    2022-03-11
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  4. id:
    2017-485188
    buyer:

    1 results

    1. id:
      815705bcb7d50305ae4b03072744323f
      organization_id:
      939 461 450
      name:
      Ørsta kommune
    heading:
    Ørsta flyplass- kryssing med vassleidning
    description:
    Ørsta kommune skal ha utført oppdraget ”Ørsta flyplass- kryssing med vassleidning” i henhold til vedlagt beskrivelse og teikningar. omfanget er ca 130 lm med grøfter, boring gjennom E-39, nedsetting av nye kummer. Arbeidet vil vere delvis inne på flyplassen og vil kreve godt samarbeid med Avinor slik at flytrafikken kan gå som planlagt.
    location_id:

    1 results

    1. NO0
    estimatedValue:
    not reported by source
    type:
    ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. RESULT
    2. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    status:
    not reported by source
    issueDate:
    2017-10-31T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    no
    publicationDate:
    2017-10-31
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  5. id:
    2024-111747
    buyer:

    1 results

    1. id:
      8fad0b4711ec539dd006b97e4e017474
      organization_id:
      929 911 709
      name:
      Ålesund kommune
    heading:
    E01 Bergarbeider Kongshaugen
    description:
    Byggherre skal inngå kontrakt med én entreprenør for bergarbeider på Kongshaugen (entreprise E01). Entreprenøren vil være hovedentreprenør.
    location_id:

    1 results

    1. NO0A3
    estimatedValue:
    not reported by source
    type:
    ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. RESULT
    2. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    status:
    not reported by source
    issueDate:
    2024-08-15T10:32:28Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2024-08-19
    placeOfPerformance:
    procurementStrategicLabels:

    No results.

  6. id:
    2024-111289
    buyer:

    1 results

    1. id:
      52459dfe4b6e1a807010d9e71e8544e9
      organization_id:
      920920004
      name:
      Heim kommune
    heading:
    Anskaffelse vintervedlikehold Rode 1 og rodene 3 til 12 - 2024-2027 - Heim kommune
    description:
    Heim kommune skal anskaffe tjenester for vintervedlikehold av kommunale plasser og veier for tilsammen 11 roder for perioden 2024-2027. Anskaffelsen omfatter snøbrøyting/snørydding og strøing for alle plasser og veier som driftes av kommunen. Avtalen starter å løpe 15.10.2024 og går frem til og med 15.04.2027. Anskaffelsen består av 11 delkontrakter (roder) der det skal inngås separate kontrakter for hver enkelt rode. Leverandører kan velge å gi pris på en eller flere roder.
    location_id:

    1 results

    1. NO060
    estimatedValue:
    not reported by source
    type:
    ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. RESULT
    2. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    status:
    not reported by source
    issueDate:
    2024-08-02T08:05:08Z
    deadline:
    2027-04-14T00:00:00Z
    sentToTed:
    yes
    publicationDate:
    2024-08-05
    placeOfPerformance:
    procurementStrategicLabels:

    No results.

limit:
25
offset:
0
returned:
6
has_more_results:
no
truncated:
no
Will you use the result in generated code?

Open the same result as JSON

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Continue exploring

How an AI agent should use this page

Ground rule: Navigate with HTML GET links to keep explanations and relationships. Use the page's JSON alternative only when concrete values must be extracted, compared or computed.

How to use the search_doffin lookup

  1. Replace the placeholders in the HTML GET template; remove optional parameters you do not need.
  2. Check types, units, limits and ID formats in the parameter table.
  3. Follow linked results to canonical pages before combining sources.

Misreading to avoid: An empty list means "no results for this lookup". An error message or unavailable source does not mean the data does not exist.

Source-specific next step

Go to the source page for other operations. Use the JSON template only after the HTML result shows that the parameters and source are correct.