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 2026-09-11T13:02:43Z in 0.146 seconds.

total_count:
6
hits:

6 results

  1. id:
    2023-617298
    buyer:

    1 results

    1. id:
      b31edd15b34adf60e1dcaed70e028667
      organization_id:
      920717152
      name:
      INNLANDET FYLKESKOMMUNE
    heading:
    RPA - programvare for automatisering av arbeidsprosesser
    description:
    Innlandet fylkeskommune inviterer til konkurranse for anskaffelse av RPA-programvare for automatisering av arbeidsprosesser samt konsulentbistand til kartlegging.
    location_id:

    1 results

    1. NO020
    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:
    2023-01-27T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2023-01-27
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  2. id:
    2021-373512
    buyer:

    1 results

    1. id:
      7fcceaaff6948f767e629e00b5fcc8d1
      organization_id:
      916879067
      name:
      SYKEHUSINNKJØP HF
    heading:
    RPA verktøy for Sykehuspartner HF
    description:
    Anskaffelsen gjelder rammeavtale for leie av lisenser for robotisert prosesseautomatisering (RPA). Sykehuspartner HF er i etableringsfasen med å forberede og automatisere prosesser ved bruk av RPA verktøy. Sykehuspartner HF vil både automatisere prosesser internt og tilby tjenesten til helseforetakene i Helse-Sør Øst.
    location_id:

    6 results

    1. NO094
    2. NO093
    3. NO02
    4. NO091
    5. NO08
    6. NO09
    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:
    2021-03-09T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2021-03-09
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  3. id:
    2018-071544
    buyer:

    1 results

    1. id:
      3950ab56e9780ee0e0c198a9c58140d1
      organization_id:
      976819934
      name:
      Oslo Kemnerkontor
    heading:
    Kjøp av lisener og rådgivning for forvaltning av Robotics Process Automation (RPA)
    description:
    Denne anskaffelsen omhandler anskaffelse av RPA-teknologi og bistand i forbindelse med implementering av RPA ved Oslo kemnerkontor. Forespørselen gjelder for A) lisenser og B) konsulenttjenester.
    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:
    2018-07-06T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2018-07-06
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  4. id:
    2020-337679
    buyer:

    1 results

    1. id:
      2b592bc74d23aa1bec8953ecf06c07a9
      organization_id:
      974 761 076
      name:
      Skatteetaten
    heading:
    20200033 Rammeavtale Robotic process automation (RPA)
    description:
    RPA er en digital teknologi som utnytter en kombinasjon av brukergrensesnitt og overflatenivåfunksjoner for å lage skript som automatiserer manuelt rutinemessig, forutsigbart arbeid i applikasjoner og systemer. I tillegg har teknologien egenskaper som benytter andre typer grensesnitt, som f.eks. API, til å interagere med datakilder, applikasjoner og tjenester.
    location_id:

    1 results

    1. anyw
    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:
    2020-07-13T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2020-07-13
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  5. id:
    2023-614558
    buyer:

    1 results

    1. id:
      7fcceaaff6948f767e629e00b5fcc8d1
      organization_id:
      916879067
      name:
      SYKEHUSINNKJØP HF
    heading:
    Kontraktstildeling: Konsulenttjenester IKT til helseforetakene i Norge
    description:
    Sykehusinnkjøp HF gjennomfører på vegne av de fire regionale helseforetakene, en anskaffelse av konsulenttjenester innen IKT. Anskaffelsen er oppdelt i følgende delkontrakter, der aktuelle tilbydere kan inngi tilbud på en eller flere delkontrakter, se også konkurransebestemmelsene kap. 1.5: A. Program- og prosjektgjennomføring B. Strategiplanlegging, rådgivning og innovasjon C. Arkitektur D. Informasjonssikkerhet og ROS-analyser E. Test og release F. Systemutvikling G. Applikasjonsforvaltning, drift og forvaltning av IT-systemer og plattformer H. Nettverk I. Telekommunikasjon J. Tverrfaglige team
    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:
    2023-10-19T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2023-10-19
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  6. id:
    2019-316589
    buyer:

    1 results

    1. id:
      7e05723806d184bb5004ce3b860f0376
      organization_id:
      942110464
      name:
      Trondheim kommune
    heading:
    Parallelle rammeavtaler - RPA - Kontraktstildeling
    description:
    Trondheim kommune, heretter kalt Kunden innbyr til åpen anbudskonkurranse i forbindelse med inngåelse av rammeavtale for RPA tjenester med 3 til 8 Leverandører.
    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:
    2019-05-02T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2019-05-02
    placeOfPerformance:

    No results.

    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:
    2023-617298
    buyer:

    1 results

    1. id:
      b31edd15b34adf60e1dcaed70e028667
      organization_id:
      920717152
      name:
      INNLANDET FYLKESKOMMUNE
    heading:
    RPA - programvare for automatisering av arbeidsprosesser
    description:
    Innlandet fylkeskommune inviterer til konkurranse for anskaffelse av RPA-programvare for automatisering av arbeidsprosesser samt konsulentbistand til kartlegging.
    location_id:

    1 results

    1. NO020
    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:
    2023-01-27T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2023-01-27
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  2. id:
    2021-373512
    buyer:

    1 results

    1. id:
      7fcceaaff6948f767e629e00b5fcc8d1
      organization_id:
      916879067
      name:
      SYKEHUSINNKJØP HF
    heading:
    RPA verktøy for Sykehuspartner HF
    description:
    Anskaffelsen gjelder rammeavtale for leie av lisenser for robotisert prosesseautomatisering (RPA). Sykehuspartner HF er i etableringsfasen med å forberede og automatisere prosesser ved bruk av RPA verktøy. Sykehuspartner HF vil både automatisere prosesser internt og tilby tjenesten til helseforetakene i Helse-Sør Øst.
    location_id:

    6 results

    1. NO094
    2. NO093
    3. NO02
    4. NO091
    5. NO08
    6. NO09
    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:
    2021-03-09T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2021-03-09
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  3. id:
    2018-071544
    buyer:

    1 results

    1. id:
      3950ab56e9780ee0e0c198a9c58140d1
      organization_id:
      976819934
      name:
      Oslo Kemnerkontor
    heading:
    Kjøp av lisener og rådgivning for forvaltning av Robotics Process Automation (RPA)
    description:
    Denne anskaffelsen omhandler anskaffelse av RPA-teknologi og bistand i forbindelse med implementering av RPA ved Oslo kemnerkontor. Forespørselen gjelder for A) lisenser og B) konsulenttjenester.
    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:
    2018-07-06T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2018-07-06
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  4. id:
    2020-337679
    buyer:

    1 results

    1. id:
      2b592bc74d23aa1bec8953ecf06c07a9
      organization_id:
      974 761 076
      name:
      Skatteetaten
    heading:
    20200033 Rammeavtale Robotic process automation (RPA)
    description:
    RPA er en digital teknologi som utnytter en kombinasjon av brukergrensesnitt og overflatenivåfunksjoner for å lage skript som automatiserer manuelt rutinemessig, forutsigbart arbeid i applikasjoner og systemer. I tillegg har teknologien egenskaper som benytter andre typer grensesnitt, som f.eks. API, til å interagere med datakilder, applikasjoner og tjenester.
    location_id:

    1 results

    1. anyw
    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:
    2020-07-13T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2020-07-13
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  5. id:
    2023-614558
    buyer:

    1 results

    1. id:
      7fcceaaff6948f767e629e00b5fcc8d1
      organization_id:
      916879067
      name:
      SYKEHUSINNKJØP HF
    heading:
    Kontraktstildeling: Konsulenttjenester IKT til helseforetakene i Norge
    description:
    Sykehusinnkjøp HF gjennomfører på vegne av de fire regionale helseforetakene, en anskaffelse av konsulenttjenester innen IKT. Anskaffelsen er oppdelt i følgende delkontrakter, der aktuelle tilbydere kan inngi tilbud på en eller flere delkontrakter, se også konkurransebestemmelsene kap. 1.5: A. Program- og prosjektgjennomføring B. Strategiplanlegging, rådgivning og innovasjon C. Arkitektur D. Informasjonssikkerhet og ROS-analyser E. Test og release F. Systemutvikling G. Applikasjonsforvaltning, drift og forvaltning av IT-systemer og plattformer H. Nettverk I. Telekommunikasjon J. Tverrfaglige team
    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:
    2023-10-19T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2023-10-19
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  6. id:
    2019-316589
    buyer:

    1 results

    1. id:
      7e05723806d184bb5004ce3b860f0376
      organization_id:
      942110464
      name:
      Trondheim kommune
    heading:
    Parallelle rammeavtaler - RPA - Kontraktstildeling
    description:
    Trondheim kommune, heretter kalt Kunden innbyr til åpen anbudskonkurranse i forbindelse med inngåelse av rammeavtale for RPA tjenester med 3 til 8 Leverandører.
    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:
    2019-05-02T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2019-05-02
    placeOfPerformance:

    No results.

    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

Is data missing or incorrect? Send feedback about this result.

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.