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 2026-09-24T06:31:59Z in 0.157 seconds.

total_count:
7
hits:

7 results

  1. id:
    2022-304168
    buyer:

    1 results

    1. id:
      b5bd5fca3e4f1aee6c781ee494b51c2c
      organization_id:
      976634438
      name:
      Nedre Romerike brann- og redningsvesen IKS
    heading:
    Drivstoff og bildriftsmidler
    description:
    Nedre Romerike brann- og redningstjeneste IKS (NRBR) har til hensikt å inngå parallelle rammeavtaler på drivstoff levert fra pumpe og bildriftsmidler til våre kjøretøy.
    location_id:

    4 results

    1. NO085
    2. NO084
    3. NO083
    4. NO082
    estimatedValue:
    not reported by source
    type:
    CANCELLED_OR_MISSING_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. CANCELLED_OR_MISSING_CONCLUSION_OF_CONTRACT
    2. RESULT
    status:
    not reported by source
    issueDate:
    2022-02-22T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2022-02-22
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  2. id:
    2021-333269
    buyer:

    1 results

    1. id:
      b5bd5fca3e4f1aee6c781ee494b51c2c
      organization_id:
      976634438
      name:
      Nedre Romerike brann- og redningsvesen IKS
    heading:
    Drivstoff og bildriftsmidler
    description:
    Nedre Romerike brann- og redningstjeneste IKS (NRBR) har til hensikt å inngå parallelle rammeavtaler på drivstoff levert fra pumpe og bildriftsmidler til våre kjøretøy.
    location_id:

    4 results

    1. NO085
    2. NO084
    3. NO083
    4. NO082
    estimatedValue:
    currencyCode:
    NOK
    amount:
    4000000.0
    type:
    ANNOUNCEMENT_OF_COMPETITION
    allTypes:

    2 results

    1. COMPETITION
    2. ANNOUNCEMENT_OF_COMPETITION
    status:
    EXPIRED
    issueDate:
    2021-12-20T10:00:00Z
    deadline:
    2022-01-28T10:00:00Z
    sentToTed:
    yes
    publicationDate:
    2021-12-20
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  3. id:
    2021-302611
    buyer:

    1 results

    1. id:
      1556213fa51f7706f5120b5625497c11
      organization_id:
      876 820 102
      name:
      Oslo kommune v/Brann- og redningsetaten
    heading:
    Drivstoff og bildriftsmidler
    description:
    Oslo brann- og redningsetat (OBRE) har behov for ny rammeavtale for drivstoff (bensin og diesel) levert fra pumpe samt bildriftsmidler til etatens kjøretøy.
    location_id:

    1 results

    1. anyw
    estimatedValue:
    not reported by source
    type:
    CANCELLED_OR_MISSING_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. CANCELLED_OR_MISSING_CONCLUSION_OF_CONTRACT
    2. RESULT
    status:
    not reported by source
    issueDate:
    2021-02-26T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2021-02-26
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  4. id:
    2020-324716
    buyer:

    1 results

    1. id:
      1556213fa51f7706f5120b5625497c11
      organization_id:
      876 820 102
      name:
      Oslo kommune v/Brann- og redningsetaten
    heading:
    Drivstoff og bildriftsmidler
    description:
    Oslo brann- og redningsetat (OBRE) har behov for ny rammeavtale for drivstoff (bensin og diesel) levert fra pumpe samt bildriftsmidler til etatens kjøretøy.
    location_id:

    1 results

    1. anyw
    estimatedValue:
    currencyCode:
    NOK
    amount:
    11200000.0
    type:
    ANNOUNCEMENT_OF_COMPETITION
    allTypes:

    2 results

    1. COMPETITION
    2. ANNOUNCEMENT_OF_COMPETITION
    status:
    EXPIRED
    issueDate:
    2020-12-17T10:00:00Z
    deadline:
    2021-01-25T10:00:00Z
    sentToTed:
    yes
    publicationDate:
    2020-12-17
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  5. id:
    2021-303442
    buyer:

    1 results

    1. id:
      1556213fa51f7706f5120b5625497c11
      organization_id:
      876 820 102
      name:
      Oslo kommune v/Brann- og redningsetaten
    heading:
    Kjøp av drivstoff og bildriftsmidler
    description:
    Oslo brann- og redningsetat (OBRE) har behov for ny rammeavtale for drivstoff (diesel og bensin) levert fra pumpe, samt bildriftsmidler til etatens kjøretøy.
    location_id:

    1 results

    1. NO081
    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:
    2021-07-09T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2021-07-09
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  6. id:
    2021-356729
    buyer:

    1 results

    1. id:
      1556213fa51f7706f5120b5625497c11
      organization_id:
      876 820 102
      name:
      Oslo kommune v/Brann- og redningsetaten
    heading:
    Kjøp av drivstoff og bildriftsmidler
    description:
    Oslo brann- og redningsetat (OBRE) har behov for ny rammeavtale for drivstoff (diesel og bensin) levert fra pumpe, samt bildriftsmidler til etatens kjøretøy.
    location_id:

    1 results

    1. anyw
    estimatedValue:
    currencyCode:
    NOK
    amount:
    10000000.0
    type:
    ANNOUNCEMENT_OF_COMPETITION
    allTypes:

    2 results

    1. COMPETITION
    2. ANNOUNCEMENT_OF_COMPETITION
    status:
    EXPIRED
    issueDate:
    2021-03-12T10:00:00Z
    deadline:
    2021-04-14T10:00:00Z
    sentToTed:
    yes
    publicationDate:
    2021-03-12
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  7. id:
    2017-231022
    buyer:

    1 results

    1. id:
      d1bc7b6927ec8e8b2b05ca4c74a36811
      organization_id:
      876820102
      name:
      Oslo kommune brann- og redningsetat
    heading:
    Drivstoff fra pumper (diesel og bensin) og bildriftsmidler
    description:
    Drivstoff fra pumper (diesel og bensin) og bildriftsmidler
    location_id:

    1 results

    1. anyw
    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:
    2017-03-11T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2017-03-11
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

limit:
25
offset:
0
returned:
7
has_more_results:
no
truncated:
no
Show all fields in HTML
total_count:
7
hits:

7 results

  1. id:
    2022-304168
    buyer:

    1 results

    1. id:
      b5bd5fca3e4f1aee6c781ee494b51c2c
      organization_id:
      976634438
      name:
      Nedre Romerike brann- og redningsvesen IKS
    heading:
    Drivstoff og bildriftsmidler
    description:
    Nedre Romerike brann- og redningstjeneste IKS (NRBR) har til hensikt å inngå parallelle rammeavtaler på drivstoff levert fra pumpe og bildriftsmidler til våre kjøretøy.
    location_id:

    4 results

    1. NO085
    2. NO084
    3. NO083
    4. NO082
    estimatedValue:
    not reported by source
    type:
    CANCELLED_OR_MISSING_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. CANCELLED_OR_MISSING_CONCLUSION_OF_CONTRACT
    2. RESULT
    status:
    not reported by source
    issueDate:
    2022-02-22T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2022-02-22
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  2. id:
    2021-333269
    buyer:

    1 results

    1. id:
      b5bd5fca3e4f1aee6c781ee494b51c2c
      organization_id:
      976634438
      name:
      Nedre Romerike brann- og redningsvesen IKS
    heading:
    Drivstoff og bildriftsmidler
    description:
    Nedre Romerike brann- og redningstjeneste IKS (NRBR) har til hensikt å inngå parallelle rammeavtaler på drivstoff levert fra pumpe og bildriftsmidler til våre kjøretøy.
    location_id:

    4 results

    1. NO085
    2. NO084
    3. NO083
    4. NO082
    estimatedValue:
    currencyCode:
    NOK
    amount:
    4000000.0
    type:
    ANNOUNCEMENT_OF_COMPETITION
    allTypes:

    2 results

    1. COMPETITION
    2. ANNOUNCEMENT_OF_COMPETITION
    status:
    EXPIRED
    issueDate:
    2021-12-20T10:00:00Z
    deadline:
    2022-01-28T10:00:00Z
    sentToTed:
    yes
    publicationDate:
    2021-12-20
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  3. id:
    2021-302611
    buyer:

    1 results

    1. id:
      1556213fa51f7706f5120b5625497c11
      organization_id:
      876 820 102
      name:
      Oslo kommune v/Brann- og redningsetaten
    heading:
    Drivstoff og bildriftsmidler
    description:
    Oslo brann- og redningsetat (OBRE) har behov for ny rammeavtale for drivstoff (bensin og diesel) levert fra pumpe samt bildriftsmidler til etatens kjøretøy.
    location_id:

    1 results

    1. anyw
    estimatedValue:
    not reported by source
    type:
    CANCELLED_OR_MISSING_CONCLUSION_OF_CONTRACT
    allTypes:

    2 results

    1. CANCELLED_OR_MISSING_CONCLUSION_OF_CONTRACT
    2. RESULT
    status:
    not reported by source
    issueDate:
    2021-02-26T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2021-02-26
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  4. id:
    2020-324716
    buyer:

    1 results

    1. id:
      1556213fa51f7706f5120b5625497c11
      organization_id:
      876 820 102
      name:
      Oslo kommune v/Brann- og redningsetaten
    heading:
    Drivstoff og bildriftsmidler
    description:
    Oslo brann- og redningsetat (OBRE) har behov for ny rammeavtale for drivstoff (bensin og diesel) levert fra pumpe samt bildriftsmidler til etatens kjøretøy.
    location_id:

    1 results

    1. anyw
    estimatedValue:
    currencyCode:
    NOK
    amount:
    11200000.0
    type:
    ANNOUNCEMENT_OF_COMPETITION
    allTypes:

    2 results

    1. COMPETITION
    2. ANNOUNCEMENT_OF_COMPETITION
    status:
    EXPIRED
    issueDate:
    2020-12-17T10:00:00Z
    deadline:
    2021-01-25T10:00:00Z
    sentToTed:
    yes
    publicationDate:
    2020-12-17
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  5. id:
    2021-303442
    buyer:

    1 results

    1. id:
      1556213fa51f7706f5120b5625497c11
      organization_id:
      876 820 102
      name:
      Oslo kommune v/Brann- og redningsetaten
    heading:
    Kjøp av drivstoff og bildriftsmidler
    description:
    Oslo brann- og redningsetat (OBRE) har behov for ny rammeavtale for drivstoff (diesel og bensin) levert fra pumpe, samt bildriftsmidler til etatens kjøretøy.
    location_id:

    1 results

    1. NO081
    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:
    2021-07-09T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2021-07-09
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  6. id:
    2021-356729
    buyer:

    1 results

    1. id:
      1556213fa51f7706f5120b5625497c11
      organization_id:
      876 820 102
      name:
      Oslo kommune v/Brann- og redningsetaten
    heading:
    Kjøp av drivstoff og bildriftsmidler
    description:
    Oslo brann- og redningsetat (OBRE) har behov for ny rammeavtale for drivstoff (diesel og bensin) levert fra pumpe, samt bildriftsmidler til etatens kjøretøy.
    location_id:

    1 results

    1. anyw
    estimatedValue:
    currencyCode:
    NOK
    amount:
    10000000.0
    type:
    ANNOUNCEMENT_OF_COMPETITION
    allTypes:

    2 results

    1. COMPETITION
    2. ANNOUNCEMENT_OF_COMPETITION
    status:
    EXPIRED
    issueDate:
    2021-03-12T10:00:00Z
    deadline:
    2021-04-14T10:00:00Z
    sentToTed:
    yes
    publicationDate:
    2021-03-12
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

  7. id:
    2017-231022
    buyer:

    1 results

    1. id:
      d1bc7b6927ec8e8b2b05ca4c74a36811
      organization_id:
      876820102
      name:
      Oslo kommune brann- og redningsetat
    heading:
    Drivstoff fra pumper (diesel og bensin) og bildriftsmidler
    description:
    Drivstoff fra pumper (diesel og bensin) og bildriftsmidler
    location_id:

    1 results

    1. anyw
    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:
    2017-03-11T10:00:00Z
    deadline:
    not reported by source
    sentToTed:
    yes
    publicationDate:
    2017-03-11
    placeOfPerformance:

    No results.

    procurementStrategicLabels:

    No results.

limit:
25
offset:
0
returned:
7
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.