Get Prozorro tenders and contracts through an API

What you can build on Prozorro

• Find tenders by ДК021 code

  Build this

  Reads the tenders on prozorro.gov.ua whose items carry the ДК021 classification codes you give, in the status you choose.

  Takes

  ДК021 codes, status (optional)

  Returns

  Tender ID, title, buyer, expected value, currency, VAT included, procedure type, status, tender period end date

• Get a tender's items and documents

  Build this

  Reads one tender by its tender ID: what is being bought, how much, where it is delivered, and the documents the buyer published.

  Takes

  Tender ID

  Returns

  Title, status, buyer, expected value, tender period end date, items with ДК021 code, quantity, unit, delivery date and address, documents with title and date

• Get awards and contracts for a tender

  Build this

  Reads the awards and contracts of one tender: which supplier was chosen, at what value, and the contract that followed.

  Takes

  Tender ID

  Returns

  Award status, award date, supplier name and code, award value, contract ID, contract status, contract value

Automate Prozorro with a workflow

A workflow runs your methods as one process, with nobody at the screen. A schedule or a call from your own system starts it, the steps run in order, and the result arrives in your inbox or in the systems you already use.

• New tenders in your ДК021 codes, every weekday

  Build this

  Starts

  Every weekday at 8:00 Kyiv time

  Step 1

  Find open tenders in active.tendering for each ДК021 code you name.

  Step 2

  Keep the tenders that were not there on the last run.

  Step 3

  Email you the list with buyer, expected value and the tender period end date.

• Status and deadline changes on the tenders you follow

  Build this

  Starts

  Every day at 7:30 Kyiv time

  Step 1

  For each tender ID on your list, get the tender's status and tender period end date.

  Step 2

  Keep the tenders whose status or end date changed since the last run.

  Step 3

  Post tender ID, old and new status and the end date to your webhook, such as one in Slack or your CRM.

• Weekly new contracts in your market, summarized

  Build this

  Starts

  Every Monday at 9:00 Kyiv time

  Step 1

  Find the tenders for each ДК021 code you name.

  Step 2

  For each one, get its awards and contracts.

  Step 3

  Keep the contracts that were not there on the last run.

  Step 4

  Group them by supplier with an AI step and email you the summary with values.

You can run a workflow by hand on every plan, Free included. Schedules and webhook triggers come with the paid plans, from $29 a month.

Once built, one call from your code

Once you have built a method, it is one POST to /v1/runs from your backend, or a tool an AI agent calls over MCP. This is what “Find tenders by ДК021 code” would look like.

curl https://api.fous.com/v1/runs \
  -H "Authorization: Bearer $FOUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "method": "prozorro.gov.ua/find_tenders",
    "input": {
      "dk021_codes": [
        "33140000-3"
      ],
      "status": "active.tendering"
    }
  }'

{
  "status": "completed",
  "data": {
    "tenders": [
      {
        "tender_id": "UA-2026-11-10-004812-a",
        "title": "Перев'язувальні матеріали (dressing materials)",
        "buyer": "Acme City Hospital",
        "expected_value": 486000,
        "currency": "UAH",
        "vat_included": true,
        "procedure_type": "belowThreshold",
        "status": "active.tendering",
        "tender_period_end": "2026-11-19T10:00:00+02:00"
      }
    ],
    "count": 1
  }
}

An example with invented data, not a ready-made endpoint. The method exists in your organization once you build it, and its name, inputs and fields follow your request.

Prozorro’s own options

Prozorro publishes its procurement data through an open REST API: read-only requests need no authentication, and anyone may copy, publish and use the data with the source cited. Requests that change the database need a broker's API key, so bids and other changes are made through a Prozorro marketplace.

Read on November 12, 2026: Prozorro for developers, API authentication, API feeds and limits.

Signing in to Prozorro

Reading tenders, plans and contracts on Prozorro needs no account, and the API's read-only requests need no authentication. Anything that changes the database, such as a bid, goes through a broker's API key, so you do it in your account on a Prozorro marketplace. With Fous, a method reads the tender, award and contract data on prozorro.gov.ua and returns it as JSON.

Worth knowing

The API is a feed, not a search

GET /tenders lists tenders by modification time with an offset cursor, 100 a page by default and 1,000 at most. Its parameters are offset, descending, mode and opt_fields, so filtering by ДК021 code or buyer is up to you.

Deadlines can move

When a buyer edits a tender close to tenderPeriod.endDate, the tender period has to be extended. Read the end date again on every run instead of keeping the first one.

Two ids per tender

People quote the tender ID, such as UA-2026-11-12-000025-a. The API addresses the same tender by a 32-character id, so code that starts from a tender ID has to look the id up first.

New rules since 7 June 2026

Resolution No. 565 changed the cost of taking part, the security requirements, how marketplaces are authorized and how the e-catalogue works. Procurements started before that date finish under the old rules.

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