# Follow your PLACSP tenders through an API

> Read the tenders in Mis Licitaciones, the list in Mis Comunicaciones and the answers to tender questions on PLACSP with one API call each. Or have a workflow check them every weekday morning and email you the deadlines and new notifications.

Page: https://fous.com/automate/plataforma-de-contratacion-del-sector-publico
Updated: 2026-11-12

Works with your own Plataforma de Contratación del Sector Público account. Fous is an independent product.

## What you can build on PLACSP

### Get the tenders in Mis Licitaciones

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

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

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

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](/product/workflows) 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

Starts: Every weekday at 8:00, Madrid time

1. List the recent communications in Mis Comunicaciones.
2. Keep the ones not there on the last run, and the ones with a reply deadline still open.
3. Email you the list with Expediente, Tipo de Comunicación and Fecha límite respuesta.

### Changes to the tenders in Mis Licitaciones

Starts: Every weekday at 7:30, Madrid time

1. Get the tenders in Mis Licitaciones.
2. Keep those whose Última modificación changed since the last run or whose pliegos were updated after your download.
3. Post them, with Estado and Fecha fin de presentación, to your bid team's Slack webhook.

### New answers to tender questions

Starts: Every day at 17:00, Madrid time

1. Get the tenders in Mis Licitaciones with Estado Publicada.
2. For each, read the questions on the Solicitar Información tab.
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](/product/methods), 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.

Example request:

```
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"
    }
  }'
```

Example response:

```
{
  "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.

| Option | What it covers | What it takes |
| --- | --- | --- |
| Open data (Atom/XML) | Tenders on hosted profiles, tenders added by aggregation, minor contracts and contracting profiles. OpenPLACSP turns the files into a spreadsheet. | Nothing: public. OpenPLACSP needs a Java virtual machine. |
| B2B web services | Publishing and managing a contracting profile's information and notices. | Contracting bodies hosting their profile on PLACSP, activated in Administración > B2B with a type 4 or 8 component certificate. |
| Suscripciones | A daily notice of new tenders that match your criteria, sent by email, SMS or RSS. | A free account. At most four subscriptions with three criteria each, one of them Tipo de Contrato. |
| PLACSP by hand | Mis Licitaciones, Mis Comunicaciones and tender questions. Bids go through the Herramienta de preparación y presentación de ofertas. | A free account. Bids also need Java, AutoFirma and a certificate recognised by @firma. |

Read on November 12, 2026: [B2B services (Información > B2B)](https://contrataciondelestado.es/wps/portal/plataforma/informacion/B2B), [Datos abiertos](https://contrataciondelestado.es/wps/portal/plataforma/datos_abiertos/), [Guía del Operador Económico v5.3](https://contrataciondelestado.es/wps/wcm/connect/a3d371cc-4d49-4fbc-9427-d1e3ea181829/GuiaOperadorEconomico_v5.3.pdf?MOD=AJPERES).

## 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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## Frequently asked questions

### Does the Plataforma de Contratación del Sector Público have an API?

Not for bidders. PLACSP's B2B web services are for contracting bodies that host their profile on it and need a component certificate. Tenders, minor contracts and contracting profiles are published as open data in Atom/XML, which anyone can download.

### How do I get alerts about new tenders?

Create a subscription in Suscripciones with a free account. PLACSP sends matching tenders daily by email, SMS or RSS, with at most four subscriptions of three criteria each, one of them Tipo de Contrato. Tenders you follow in Mis Licitaciones also send an email when a notice, document or answer is published.

### Can I see award notifications without opening each one?

Yes, the Mis Comunicaciones list shows each communication's Tipo de Comunicación, such as Notificación Adjudicación, with its date, Fecha de Acceso and reply deadline. Reading the content itself asks for a digital certificate, or you open it from the link in the email.

### How are bids submitted on PLACSP?

Through the Herramienta de preparación y presentación de ofertas, a separate tool opened from the tender in Mis Licitaciones. It needs Java, AutoFirma and a certificate recognised by @firma, and each sobre (envelope) is signed with that certificate.

### Is Fous affiliated with the Ministerio de Hacienda?

No. Fous is an independent product. You use it with your own PLACSP account, and a method reads and does only what that account can.

Fous is an independent product: it is not affiliated with, endorsed by or sponsored by the operator of Plataforma de Contratación del Sector Público (Ministerio de Hacienda). The name is used only to say which system this page is about. Something here wrong or out of date? Write to legal@fous.com.