Follow your PLACSP tenders through an API

What you can build on PLACSP

• Get the tenders in Mis Licitaciones

  Build this

  Reads the Mis Licitaciones (my tenders) list: each followed tender's Estado (status), Fecha fin de presentación (bid deadline) and Última modificación (last change).

  Takes

  Estado (optional), bid deadline from and to (optional)

  Returns

  Expediente, title, contracting body, status, bid deadline, last change and its date, updated since your last download

• List the notifications in Mis Comunicaciones

  Build this

  Searches Mis Comunicaciones (my communications) and reads the result list: the Tipo de Comunicación, when it was sent, whether you opened it and the reply deadline.

  Takes

  Recent only, pending reply only, Tipo de Comunicación (all optional)

  Returns

  Expediente, title, contracting body, communication date, type, access date, reply deadline, Respuesta

• Read the questions asked on a tender

  Build this

  Opens a tender's detail and reads the Solicitar Información (request information) tab: the deadline for questions and each question with its status and answer.

  Takes

  Expediente

  Returns

  Expediente, title, deadline for questions, question, status, answer, last update

• Add a tender to Mis Licitaciones

  Build this

  Opens a tender's detail from the tender search and selects Añadir esta Licitación a Mis Licitaciones, so PLACSP follows it for you.

  Takes

  Expediente, contracting body

  Returns

  Expediente, title, status, bid deadline, added

Automate PLACSP 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 notifications in Mis Comunicaciones, each morning

  Build this

  Starts

  Every weekday at 8:00, Madrid time

  Step 1

  List the recent communications in Mis Comunicaciones.

  Step 2

  Keep the ones not there on the last run, and the ones with a reply deadline still open.

  Step 3

  Email you the list with Expediente, Tipo de Comunicación and Fecha límite respuesta.

• Changes to the tenders in Mis Licitaciones

  Build this

  Starts

  Every weekday at 7:30, Madrid time

  Step 1

  Get the tenders in Mis Licitaciones.

  Step 2

  Keep those whose Última modificación changed since the last run or whose pliegos were updated after your download.

  Step 3

  Post them, with Estado and Fecha fin de presentación, to your bid team's Slack webhook.

• New answers to tender questions

  Build this

  Starts

  Every day at 17:00, Madrid time

  Step 1

  Get the tenders in Mis Licitaciones with Estado Publicada.

  Step 2

  For each, read the questions on the Solicitar Información tab.

  Step 3

  Keep the questions marked Respondida that were not answered on the last run, and email them to you.

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 “Get the tenders in Mis Licitaciones” would look like.

curl https://api.fous.com/v1/runs \
  -H "Authorization: Bearer $FOUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "method": "contrataciondelestado.es/get_mis_licitaciones",
    "input": {
      "estado": "Publicada"
    }
  }'

{
  "status": "completed",
  "data": {
    "tenders": [
      {
        "expediente": "2026/SUM-0418",
        "titulo": "Suministro de equipos de climatización",
        "organo_de_contratacion": "Northwind Servicios Generales",
        "estado": "Publicada",
        "fecha_fin_presentacion": "2026-11-27T14:00:00+01:00",
        "ultima_modificacion": {
          "evento": "Publicación de documentos",
          "fecha": "2026-11-10"
        },
        "actualizado_tras_descarga": true
      }
    ],
    "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.

PLACSP’s own options

PLACSP has no API for the companies that bid. Its B2B web services are for contracting bodies that host their profile on it, and tenders are published as open data in Atom/XML. A free registered account gives you Mis Licitaciones, Mis Comunicaciones and daily subscriptions by email, SMS or RSS.

Read on November 12, 2026: B2B services (Información > B2B), Datos abiertos, Guía del Operador Económico v5.3.

Signing in to PLACSP

Companies sign in on PLACSP's Empresas page with a Usuario (user ID) and Contraseña (password); registering needs only an email address. Reading a communication's content asks for a digital certificate, and bids are signed with one recognised by @firma. With Fous you sign in once through PLACSP's own sign-in: the login is sealed with AES-256, never returned by the API, and an expired session is signed back in.

Worth knowing

Listing needs a password, reading a certificate

Mis Comunicaciones lists each communication's type, dates and Respuesta after a password sign-in. Pressing Acceso to read one asks for a digital certificate, and the content comes as XML and PDF.

Resolved tenders leave Mis Licitaciones

Tenders resolved more than a month ago with no movement since are removed from Mis Licitaciones, and a tender in Resuelto status cannot be added. Keep your own record of the ones you need later.

Other bidders' questions appear once answered

On the Solicitar Información tab you see your own questions as Pendiente. Questions from other bidders stay hidden until the contracting body answers them, and then show as Respondida.

Bids are signed in a separate tool

Offers are prepared, signed and submitted in the Herramienta de preparación y presentación de ofertas, opened from the tender in Mis Licitaciones. It needs Java, AutoFirma and a certificate recognised by @firma.

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