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 2026-09-26T11:46:45Z in 0.139 seconds.

total_count:
6
hits:

6 results

  1. id:
    2022-350136
    buyer:

    1 results

    1. id:
      32a75155b581fd9cc2bc096880d0b0d6
      organization_id:
      964 980 543
      name:
      Sula kommune
    heading:
    Service og vedlikehald på heiser
    description:
    Sula kommune vil med dette innhente tilbod på service og vedlkehald på heiser som er montert i kommunale bygg.
    location_id:

    1 results

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

    2 results

    1. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    2. RESULT
    status:
    not reported by source
    issueDate:
    2022-02-10T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2022-02-10
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  2. id:
    2019-376619
    buyer:

    1 results

    1. id:
      8fd04d823ee2e05cb645c8f294aae96a
      organization_id:
      974 767 880
      name:
      NTNU
    heading:
    Rehabilitering av personheis - bygg 337 Gløshaugen
    description:
    Rehabilitering av personheis, plassert i bygg 337 Bygningsingeniøravd, Høyskoleringen 7 på Gløshaugen.
    location_id:

    No results.

    estimatedValue:
    not reported by source
    type:
    ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    2. RESULT
    status:
    not reported by source
    issueDate:
    2019-12-17T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2019-12-17
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  3. id:
    2019-368126
    buyer:

    1 results

    1. id:
      8fd04d823ee2e05cb645c8f294aae96a
      organization_id:
      974 767 880
      name:
      NTNU
    heading:
    Heis - Sevice og vedllikehold - Rammeavtale
    description:
    Avtalen omfatter service og ettersyn, samt vedlikehold, reparasjoner og utbedring av Oppdragsgivers heisanlegg i Trondheim. Heisanleggene omfatter både person- og vareheiser av ulik alder og kapasitet. Antall servicebesøk i året vil variere med 1 – 8 ganger. Totalt har Oppdragsgiver i overkant av 100 heiser.
    location_id:

    1 results

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

    2 results

    1. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    2. RESULT
    status:
    not reported by source
    issueDate:
    2019-09-03T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2019-09-03
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  4. id:
    2017-486413
    buyer:

    1 results

    1. id:
      5aa4276c8c6a23ab6d80df7a22204715
      organization_id:
      964981248
      name:
      Sandøy kommune
    heading:
    Utbygging Sandøytunet - Løfteplattform K620 HEIS
    description:
    Anskaffelsen gjelder sideentreprise Løfteplattform, for ombygging og nybygg på Sandøytunet. Sandøytunet ligger på Harøya i Sandøy kommune. Sandøy kommune har vedteke å foreta ei ombygging og utbygging av Sandøytunet. Gjennom dette prosjektet ynskjer ein å modernisere og utvide omsorgsbasen og storkjøkkenet, bygge nye omsorgsbustader og felles lokaliteter for helsetenestene i kommunen. Samstundes vil ein bygge inn dei andre offentlege kontora i kommunen i dette prosjektet og lage ein møtestad for innbyggjarane. Det er såleis snakk om ombygging, nybygg i fleire delar og tilrettelegging av uteareal med sansehagar og parkeringsareal mv. Prosjektet vil også innebere riving av eksisterande bygg med levering til mottak. Samla byggareal som vert omfatta av prosjektet er ca 3.000 m2, der om lag halvparten er nybygg.
    location_id:

    No results.

    estimatedValue:
    not reported by source
    type:
    ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    2. RESULT
    status:
    not reported by source
    issueDate:
    2017-06-14T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2017-06-14
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  5. id:
    2022-697005
    buyer:

    1 results

    1. id:
      0f5223b4541cca6e7a1cfe09866c2ef9
      organization_id:
      971278374
      name:
      STATSBYGG
    heading:
    Avtale om drift og vedlikehold av heisanlegg for eiendommer i område sør - 2 delkontrakter
    description:
    Statsbygg ber om tilbud på avtale for drift og vedlikehold av heisanlegg i Sør. Eiendommene i Sør deles inn i 2 områder. Det vil bli inngått avtale med en leverandør for hvert område. Totalt skal det inngås 2 kontrakter som følger: Delkontrakt 1 Agder Delkontrakt 2 Vestfold og Telemark samt deler av Viken
    location_id:

    8 results

    1. NO085
    2. NO084
    3. NO094
    4. NO083
    5. NO093
    6. NO082
    7. NO092
    8. NO091
    estimatedValue:
    not reported by source
    type:
    ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    2. RESULT
    status:
    not reported by source
    issueDate:
    2022-12-08T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2022-12-08
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  6. id:
    2019-369655
    buyer:

    1 results

    1. id:
      b8ef0d385bfe4ae8d9c0440c0a2f861c
      organization_id:
      00964982031
      name:
      Snåsa Kommune
    heading:
    Snåsa Sjukeheim - Hovedentreprise med tekniske sideentrepriser
    description:
    Deler av dagens sjukeheim skal river og erstattes med et nytt tilbygg. Deler av dagens bygningsmasse skal bygges om. Nye utomhusarealer skal opparbeides. Bygningsmessig hovedentreprise med tekniske sideentrepriser. Hovedentreprise inneholder riving, bygningsmessige arbeider, ombygging og utomhusarbeider.
    location_id:

    No results.

    estimatedValue:
    not reported by source
    type:
    ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    2. RESULT
    status:
    not reported by source
    issueDate:
    2019-09-17T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2019-09-17
    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:
    2022-350136
    buyer:

    1 results

    1. id:
      32a75155b581fd9cc2bc096880d0b0d6
      organization_id:
      964 980 543
      name:
      Sula kommune
    heading:
    Service og vedlikehald på heiser
    description:
    Sula kommune vil med dette innhente tilbod på service og vedlkehald på heiser som er montert i kommunale bygg.
    location_id:

    1 results

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

    2 results

    1. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    2. RESULT
    status:
    not reported by source
    issueDate:
    2022-02-10T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2022-02-10
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  2. id:
    2019-376619
    buyer:

    1 results

    1. id:
      8fd04d823ee2e05cb645c8f294aae96a
      organization_id:
      974 767 880
      name:
      NTNU
    heading:
    Rehabilitering av personheis - bygg 337 Gløshaugen
    description:
    Rehabilitering av personheis, plassert i bygg 337 Bygningsingeniøravd, Høyskoleringen 7 på Gløshaugen.
    location_id:

    No results.

    estimatedValue:
    not reported by source
    type:
    ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    2. RESULT
    status:
    not reported by source
    issueDate:
    2019-12-17T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2019-12-17
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  3. id:
    2019-368126
    buyer:

    1 results

    1. id:
      8fd04d823ee2e05cb645c8f294aae96a
      organization_id:
      974 767 880
      name:
      NTNU
    heading:
    Heis - Sevice og vedllikehold - Rammeavtale
    description:
    Avtalen omfatter service og ettersyn, samt vedlikehold, reparasjoner og utbedring av Oppdragsgivers heisanlegg i Trondheim. Heisanleggene omfatter både person- og vareheiser av ulik alder og kapasitet. Antall servicebesøk i året vil variere med 1 – 8 ganger. Totalt har Oppdragsgiver i overkant av 100 heiser.
    location_id:

    1 results

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

    2 results

    1. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    2. RESULT
    status:
    not reported by source
    issueDate:
    2019-09-03T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2019-09-03
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  4. id:
    2017-486413
    buyer:

    1 results

    1. id:
      5aa4276c8c6a23ab6d80df7a22204715
      organization_id:
      964981248
      name:
      Sandøy kommune
    heading:
    Utbygging Sandøytunet - Løfteplattform K620 HEIS
    description:
    Anskaffelsen gjelder sideentreprise Løfteplattform, for ombygging og nybygg på Sandøytunet. Sandøytunet ligger på Harøya i Sandøy kommune. Sandøy kommune har vedteke å foreta ei ombygging og utbygging av Sandøytunet. Gjennom dette prosjektet ynskjer ein å modernisere og utvide omsorgsbasen og storkjøkkenet, bygge nye omsorgsbustader og felles lokaliteter for helsetenestene i kommunen. Samstundes vil ein bygge inn dei andre offentlege kontora i kommunen i dette prosjektet og lage ein møtestad for innbyggjarane. Det er såleis snakk om ombygging, nybygg i fleire delar og tilrettelegging av uteareal med sansehagar og parkeringsareal mv. Prosjektet vil også innebere riving av eksisterande bygg med levering til mottak. Samla byggareal som vert omfatta av prosjektet er ca 3.000 m2, der om lag halvparten er nybygg.
    location_id:

    No results.

    estimatedValue:
    not reported by source
    type:
    ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    2. RESULT
    status:
    not reported by source
    issueDate:
    2017-06-14T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2017-06-14
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  5. id:
    2022-697005
    buyer:

    1 results

    1. id:
      0f5223b4541cca6e7a1cfe09866c2ef9
      organization_id:
      971278374
      name:
      STATSBYGG
    heading:
    Avtale om drift og vedlikehold av heisanlegg for eiendommer i område sør - 2 delkontrakter
    description:
    Statsbygg ber om tilbud på avtale for drift og vedlikehold av heisanlegg i Sør. Eiendommene i Sør deles inn i 2 områder. Det vil bli inngått avtale med en leverandør for hvert område. Totalt skal det inngås 2 kontrakter som følger: Delkontrakt 1 Agder Delkontrakt 2 Vestfold og Telemark samt deler av Viken
    location_id:

    8 results

    1. NO085
    2. NO084
    3. NO094
    4. NO083
    5. NO093
    6. NO082
    7. NO092
    8. NO091
    estimatedValue:
    not reported by source
    type:
    ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    2. RESULT
    status:
    not reported by source
    issueDate:
    2022-12-08T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2022-12-08
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  6. id:
    2019-369655
    buyer:

    1 results

    1. id:
      b8ef0d385bfe4ae8d9c0440c0a2f861c
      organization_id:
      00964982031
      name:
      Snåsa Kommune
    heading:
    Snåsa Sjukeheim - Hovedentreprise med tekniske sideentrepriser
    description:
    Deler av dagens sjukeheim skal river og erstattes med et nytt tilbygg. Deler av dagens bygningsmasse skal bygges om. Nye utomhusarealer skal opparbeides. Bygningsmessig hovedentreprise med tekniske sideentrepriser. Hovedentreprise inneholder riving, bygningsmessige arbeider, ombygging og utomhusarbeider.
    location_id:

    No results.

    estimatedValue:
    not reported by source
    type:
    ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. ANNOUNCEMENT_OF_CONCLUSION_OF_CONTRACT
    2. RESULT
    status:
    not reported by source
    issueDate:
    2019-09-17T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2019-09-17
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

limit:
25
offset:
0
returned:
6
has_more_results:
no
truncated:
no
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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.