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.

Parameter	Requirement	JSON type	Description
`query`	optional	string	Free-text search (Norwegian or English), e.g. "IT-drift", "snørydding", "rammeavtale konsulent". Start here.
`types`	optional	union	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.
`statuses`	optional	union	ACTIVE (open for bids), EXPIRED, AWARDED, CANCELLED.
`contract_nature`	optional	union	WORKS, SERVICES and/or SUPPLIES.
`cpv_codes`	optional	union	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.
`locations`	optional	union	NUTS-style location ids, e.g. ["NO060"] (Trøndelag), or "anyw" for non-location-bound. See list_location_codes().
`buyer`	optional	union	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.
`winner`	optional	union	Doffin's internal supplier id (32-hex). Winner names cannot be used - they are not present in search results to resolve against.
`date_from`	optional	union	Publication date lower bound, "YYYY-MM-DD".
`date_to`	optional	union	Publication date upper bound, "YYYY-MM-DD".
`sort_by`	optional	string	RELEVANCE (default), PUBLICATION_DATE_DESC, PUBLICATION_DATE_ASC, DEADLINE, ESTIMATED_VALUE_ASC, ESTIMATED_VALUE_DESC.
`page`	optional	integer	1-based page number.
`hits_per_page`	optional	integer	1-50 (default 10).
`include_placeholders`	optional	boolean	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.
`limit`	optional	integer	Gateway page size; default 25, maximum 100.
`offset`	optional	integer	Number 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.

query Type: string. Free-text search (Norwegian or English), e.g. "IT-drift", "snørydding", "rammeavtale konsulent". Start here.

types 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.

statuses Type: list of string (comma-separated). ACTIVE (open for bids), EXPIRED, AWARDED, CANCELLED.

contract_nature Type: list of string (comma-separated). WORKS, SERVICES and/or SUPPLIES.

cpv_codes 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.

locations Type: list of string (comma-separated). NUTS-style location ids, e.g. ["NO060"] (Trøndelag), or "anyw" for non-location-bound. See list_location_codes().

buyer 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.

winner 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.

date_from Type: string. Publication date lower bound, "YYYY-MM-DD".

date_to Type: string. Publication date upper bound, "YYYY-MM-DD".

sort_by Type: string. RELEVANCE (default), PUBLICATION_DATE_DESC, PUBLICATION_DATE_ASC, DEADLINE, ESTIMATED_VALUE_ASC, ESTIMATED_VALUE_DESC.

page Type: integer. 1-based page number.

hits_per_page Type: integer. 1-50 (default 10).

include_placeholders 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 2026-10-24T07:01:16Z in 0.724 seconds.

total_count:

hits:

7 results

id:
2018-325384
buyer:
1 results
1. id:
  fceee8e36f95e7c22be2a8c47ce2b93e
  organization_id:
  994686011
  name:
  AtB AS
heading:
Anbud region 2019-2021
description:
AtB AS inviterer herved til deltakelse i konkurranse med forhandling om anskaffelse av kollektivtransporttjenester i tidligere Nord-Trøndelag. Klikk her https://permalink.mercell.com/84104961.aspx
location_id:
1 results
1. NO06
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:
2018-10-23T10:00:00Z
deadline:
not reported by source
sentToTed:
yes
publicationDate:
2018-10-23
placeOfPerformance:
No results.
procurementStrategicLabels:
No results.
id:
2021-300326
buyer:
1 results
1. id:
  7fcceaaff6948f767e629e00b5fcc8d1
  organization_id:
  916879067
  name:
  SYKEHUSINNKJØP HF
heading:
Kontraktstildeling - Helsebuss til Gudbrandsdalen for Sykehuset Innlandet HF
description:
Avtale om kjøp av pasientreiser med Helsebuss for Sykehuset Innlandet HF
location_id:
4 results
1. NO085
2. NO084
3. NO083
4. NO082
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:
2021-06-03T10:00:00Z
deadline:
not reported by source
sentToTed:
yes
publicationDate:
2021-06-03
placeOfPerformance:
No results.
procurementStrategicLabels:
No results.
id:
2021-364341
buyer:
1 results
1. id:
  7fcceaaff6948f767e629e00b5fcc8d1
  organization_id:
  916879067
  name:
  SYKEHUSINNKJØP HF
heading:
Kontraktstildeling - Helsebuss til Østerdalen for Sykehuset Innlandet HF
description:
Kjøp av pasientreiser med helsebuss til Sykehuset Innlandet HF
location_id:
4 results
1. NO085
2. NO084
3. NO083
4. NO082
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:
2021-06-03T10:00:00Z
deadline:
not reported by source
sentToTed:
yes
publicationDate:
2021-06-03
placeOfPerformance:
No results.
procurementStrategicLabels:
No results.
id:
2021-346110
buyer:
1 results
1. id:
  b31edd15b34adf60e1dcaed70e028667
  organization_id:
  920 717 152
  name:
  Innlandet fylkeskommune
heading:
Ifk - Turkjøring med buss.
description:
Turkjøring med buss. Gjelder områdene Hamar og Stange, Elverum, Våler og Åsnes, Trysil, Tynset og Alvdal, Stor-Elvdal,
location_id:
1 results
1. NO02
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:
2021-02-18T10:00:00Z
deadline:
not reported by source
sentToTed:
yes
publicationDate:
2021-02-18
placeOfPerformance:
No results.
procurementStrategicLabels:
No results.
id:
2020-397884
buyer:
1 results
1. id:
  4c58cb731b62e4cb8765f79ae738c073
  organization_id:
  961 382 335
  name:
  Oppland Fylkeskommune
heading:
Rutegående kollektivtransporttjenester i Lillehammer-regionen og Nord-Gudbrandsdal 2021/2022
description:
Innlandet fylkeskommune har inngått ny kontrakt for busskjøring i Lillehammer-regionen fra skoleslutt 2021 og i Nord-Gudbrandsdalen fra 1. januar 2022. Ruteområde 1: Busslinjer i Lillehammer, Øyer og Gausdal Ruteområde 2: Busslinjer i Skjåk, Lom, Vågå, Sel m/Bismo-Lillehammer Ved innlevering av endelig tilbud mottok Innlandstrafikk 10 tilbud til ruteområde 1 og 7 tilbud til ruteområde 2. Kontrakt med Trønderbilene AS er inngått for begge kontraktsområdene. For ruteområde 1 har inngått kontrakt en verdi på NOK 862.383.530 For ruteområde 2 har inngått kontrakt en verdi på NOK 292 646 254
location_id:
1 results
1. NO020
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:
2020-08-12T10:00:00Z
deadline:
not reported by source
sentToTed:
yes
publicationDate:
2020-08-12
placeOfPerformance:
No results.
procurementStrategicLabels:
No results.
id:
2018-340724
buyer:
1 results
1. id:
  4c58cb731b62e4cb8765f79ae738c073
  organization_id:
  961 382 335
  name:
  Oppland Fylkeskommune
heading:
Rammeavtale - Turkjøring med buss
description:
Oppland fylkeskommune skal inngå rammeavtaler med flere leverandører for å dekke fylkeskommunens behov for turkjøring med buss. Det skal inngås rangerte avtaler med 3 leverandører for hvert geografisk område. Skoleskyss av elever til og fra skolene, samt turbusskjøring ved Vinstra og Gjøvik vgs. er ikke en del av denne anskaffelsen.
location_id:
1 results
1. NO020
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:
2018-11-05T10:00:00Z
deadline:
not reported by source
sentToTed:
yes
publicationDate:
2018-11-05
placeOfPerformance:
No results.
procurementStrategicLabels:
No results.
id:
2018-509640
buyer:
1 results
1. id:
  76bb9f9f6499fba1e8b5526dfd02336c
  organization_id:
  983658776
  name:
  Helse Midt-Norge RHF
heading:
Forlengelse av avtale for Helseekspress i Åfjord
description:
Forlengelse av kontrakt med Trønderbilene AS for Helseekspress mellom Åfjord og St. Olavs Hospital
location_id:
1 results
1. NO06
estimatedValue:
not reported by source
type:
ADVISORY_NOTICE
allTypes:
2 results
1. ADVISORY_NOTICE
2. PLANNING
status:
not reported by source
issueDate:
2018-07-13T10:00:00Z
deadline:
not reported by source
sentToTed:
no
publicationDate:
2018-07-13
placeOfPerformance:
No results.
procurementStrategicLabels:
No results.

limit:

offset:

returned:

has_more_results:

Show all fields in HTML

total_count:

hits:

7 results

id:
2018-325384
buyer:
1 results
1. id:
  fceee8e36f95e7c22be2a8c47ce2b93e
  organization_id:
  994686011
  name:
  AtB AS
heading:
Anbud region 2019-2021
description:
AtB AS inviterer herved til deltakelse i konkurranse med forhandling om anskaffelse av kollektivtransporttjenester i tidligere Nord-Trøndelag. Klikk her https://permalink.mercell.com/84104961.aspx
location_id:
1 results
1. NO06
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:
2018-10-23T10:00:00Z
deadline:
not reported by source
sentToTed:
yes
publicationDate:
2018-10-23
placeOfPerformance:
No results.
procurementStrategicLabels:
No results.
id:
2021-300326
buyer:
1 results
1. id:
  7fcceaaff6948f767e629e00b5fcc8d1
  organization_id:
  916879067
  name:
  SYKEHUSINNKJØP HF
heading:
Kontraktstildeling - Helsebuss til Gudbrandsdalen for Sykehuset Innlandet HF
description:
Avtale om kjøp av pasientreiser med Helsebuss for Sykehuset Innlandet HF
location_id:
4 results
1. NO085
2. NO084
3. NO083
4. NO082
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:
2021-06-03T10:00:00Z
deadline:
not reported by source
sentToTed:
yes
publicationDate:
2021-06-03
placeOfPerformance:
No results.
procurementStrategicLabels:
No results.
id:
2021-364341
buyer:
1 results
1. id:
  7fcceaaff6948f767e629e00b5fcc8d1
  organization_id:
  916879067
  name:
  SYKEHUSINNKJØP HF
heading:
Kontraktstildeling - Helsebuss til Østerdalen for Sykehuset Innlandet HF
description:
Kjøp av pasientreiser med helsebuss til Sykehuset Innlandet HF
location_id:
4 results
1. NO085
2. NO084
3. NO083
4. NO082
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:
2021-06-03T10:00:00Z
deadline:
not reported by source
sentToTed:
yes
publicationDate:
2021-06-03
placeOfPerformance:
No results.
procurementStrategicLabels:
No results.
id:
2021-346110
buyer:
1 results
1. id:
  b31edd15b34adf60e1dcaed70e028667
  organization_id:
  920 717 152
  name:
  Innlandet fylkeskommune
heading:
Ifk - Turkjøring med buss.
description:
Turkjøring med buss. Gjelder områdene Hamar og Stange, Elverum, Våler og Åsnes, Trysil, Tynset og Alvdal, Stor-Elvdal,
location_id:
1 results
1. NO02
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:
2021-02-18T10:00:00Z
deadline:
not reported by source
sentToTed:
yes
publicationDate:
2021-02-18
placeOfPerformance:
No results.
procurementStrategicLabels:
No results.
id:
2020-397884
buyer:
1 results
1. id:
  4c58cb731b62e4cb8765f79ae738c073
  organization_id:
  961 382 335
  name:
  Oppland Fylkeskommune
heading:
Rutegående kollektivtransporttjenester i Lillehammer-regionen og Nord-Gudbrandsdal 2021/2022
description:
Innlandet fylkeskommune har inngått ny kontrakt for busskjøring i Lillehammer-regionen fra skoleslutt 2021 og i Nord-Gudbrandsdalen fra 1. januar 2022. Ruteområde 1: Busslinjer i Lillehammer, Øyer og Gausdal Ruteområde 2: Busslinjer i Skjåk, Lom, Vågå, Sel m/Bismo-Lillehammer Ved innlevering av endelig tilbud mottok Innlandstrafikk 10 tilbud til ruteområde 1 og 7 tilbud til ruteområde 2. Kontrakt med Trønderbilene AS er inngått for begge kontraktsområdene. For ruteområde 1 har inngått kontrakt en verdi på NOK 862.383.530 For ruteområde 2 har inngått kontrakt en verdi på NOK 292 646 254
location_id:
1 results
1. NO020
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:
2020-08-12T10:00:00Z
deadline:
not reported by source
sentToTed:
yes
publicationDate:
2020-08-12
placeOfPerformance:
No results.
procurementStrategicLabels:
No results.
id:
2018-340724
buyer:
1 results
1. id:
  4c58cb731b62e4cb8765f79ae738c073
  organization_id:
  961 382 335
  name:
  Oppland Fylkeskommune
heading:
Rammeavtale - Turkjøring med buss
description:
Oppland fylkeskommune skal inngå rammeavtaler med flere leverandører for å dekke fylkeskommunens behov for turkjøring med buss. Det skal inngås rangerte avtaler med 3 leverandører for hvert geografisk område. Skoleskyss av elever til og fra skolene, samt turbusskjøring ved Vinstra og Gjøvik vgs. er ikke en del av denne anskaffelsen.
location_id:
1 results
1. NO020
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:
2018-11-05T10:00:00Z
deadline:
not reported by source
sentToTed:
yes
publicationDate:
2018-11-05
placeOfPerformance:
No results.
procurementStrategicLabels:
No results.
id:
2018-509640
buyer:
1 results
1. id:
  76bb9f9f6499fba1e8b5526dfd02336c
  organization_id:
  983658776
  name:
  Helse Midt-Norge RHF
heading:
Forlengelse av avtale for Helseekspress i Åfjord
description:
Forlengelse av kontrakt med Trønderbilene AS for Helseekspress mellom Åfjord og St. Olavs Hospital
location_id:
1 results
1. NO06
estimatedValue:
not reported by source
type:
ADVISORY_NOTICE
allTypes:
2 results
1. ADVISORY_NOTICE
2. PLANNING
status:
not reported by source
issueDate:
2018-07-13T10:00:00Z
deadline:
not reported by source
sentToTed:
no
publicationDate:
2018-07-13
placeOfPerformance:
No results.
procurementStrategicLabels:
No results.

limit:

offset:

returned:

has_more_results:

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

Replace the placeholders in the HTML GET template; remove optional parameters you do not need.
Check types, units, limits and ID formats in the parameter table.
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

Follow the notice ID to the canonical page; use CPV and location codes to narrow broad free-text searches.

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.

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