Follow your SEACE procedures through an API

What you can build on SEACE

• Search selection procedures

  Build this

  Runs Buscar Procedimientos with the criteria you give and reads the procedures in the results.

  Takes

  Entity name or siglas, Objeto de la Contratación, Departamento, Estado, date range (at least one)

  Returns

  Entity, Nro. de Selección, Tipo de Selección, Objeto de la Contratación, Descripción del Objeto, Estado

• Read a Ficha de Selección

  Build this

  Opens one procedure's Ficha de Selección and reads its Convocatoria, Cronograma, Entidades Contratantes, items and the documents published per etapa.

  Takes

  Entity siglas, Nro. de Selección, Año de la Nomenclatura

  Returns

  Entity, object, cronograma etapas with start and end dates, current etapa, contracting entities and RUC, items with status, documents per etapa

• Check my selection procedures

  Build this

  Reads Mis procedimientos de selección: the procedures you registered in, with etapa, Estado de la Etapa and whether you presented an offer.

  Takes

  Año de la Convocatoria, Etapa, Estado de la Etapa (optional)

  Returns

  Entity, Nro. de Selección, object, etapa, Estado de la Etapa, Presentó Propuesta

• Register participation in a procedure

  Build this

  Opens a procedure's Ficha de Selección, presses Registrar Participación and then Inscribir, and reads the message SEACE shows.

  Takes

  Entity siglas, Nro. de Selección, Año de la Nomenclatura

  Returns

  Registered or not, confirmation message, observation reason

Automate SEACE 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 convocatorias for your line of business

  Build this

  Starts

  Every weekday at 7:30, Lima time

  Step 1

  Search selection procedures in Registro de participantes en curso for your Objeto de la Contratación and departamentos.

  Step 2

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

  Step 3

  Email you the list with entity, Nro. de Selección and description.

• Cronograma check for the procedures you are in

  Build this

  Starts

  Every weekday at 8:00, Lima time

  Step 1

  Check Mis procedimientos de selección for this year's procedures with an etapa Pendiente.

  Step 2

  For each one, read the Ficha de Selección and its cronograma.

  Step 3

  Keep the etapas that end in the next three days.

  Step 4

  Post each one, with entity, Nro. de Selección, etapa and end date, to your webhook.

• New documents published in your procedures

  Build this

  Starts

  Every day at 18:00, Lima time

  Step 1

  For each procedure in Mis procedimientos de selección, read the documents under Ver documentos por Etapa.

  Step 2

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

  Step 3

  Email you the new documents, grouped by procedure.

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 “Search selection procedures” would look like.

curl https://api.fous.com/v1/runs \
  -H "Authorization: Bearer $FOUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "method": "prod1.seace.gob.pe/search_selection_procedures",
    "input": {
      "objeto_de_la_contratacion": "Bien",
      "departamento": "LIMA",
      "estado": "Registro de participantes en curso"
    }
  }'

{
  "status": "completed",
  "data": {
    "procedures": [
      {
        "entity": "Municipalidad Distrital de Acme",
        "nro_de_seleccion": "SIE-SIE-14-2026-MDA-1",
        "tipo_de_seleccion": "Subasta Inversa Electrónica",
        "objeto_de_la_contratacion": "Bien",
        "descripcion_del_objeto": "Adquisición de tóner y suministros de impresión",
        "estado": "Registro de participantes en curso"
      }
    ],
    "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.

SEACE’s own options

OECE publishes Peru's public procurement data on its Portal de Contrataciones Abiertas under the OCDS standard, with downloads and an API for releases, records and bulk files. The public buscador lists procedures without a user, and Buscar Procedimientos exports its results to Excel. Registering participation, consultas and offers are documented as steps in the SEACE web portal.

Read on November 12, 2026: Portal de Contrataciones Abiertas de la Compra Pública - OCDS, Manual de usuario para Proveedores del Estado v1.1, Buscar procedimientos de selección de entidades públicas.

Signing in to SEACE

Suppliers sign in to SEACE with their RUC (or código de extranjero) as Usuario and their Clave RNP. SEACE then emails a verification code, valid for 2 minutes, to the address registered in the RNP. With Fous you sign in once through SEACE's own sign-in with your own account: the login is sealed with AES-256, the emailed code is handled, and an expired session is signed back in.

Worth knowing

The sign-in code lasts two minutes

Every sign-in sends a code, under the subject Doble factor de autenticación, to the email registered in the RNP. The code is valid for 2 minutes, so keep that address current in the RNP.

Registration checks your RNP status

Inscribir works only with a current RNP registration matching the object of the convocatoria. Otherwise SEACE shows a reason such as Proveedor no vigente or Proveedor suspendido, and the button stays until the etapa ends.

Searches need at least one criterion

Buscar Procedimientos requires at least one search criterion. For the Estados Publicado and Suspendido por elevación, Fecha de Inicio and Fecha de Fin are required.

Everything follows the cronograma

Consultas, offers and mejora de precios are registered from the listado de actividades, within the dates of each procedure's cronograma. The list of registered participants opens one day after offers are presented.

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