Contasimples Credit Cards API

The Credit Cards API from Contasimples — 6 operation(s) for credit cards.

Operations 8

GET /credit-cards/v1/bills/{duedate} Detalhes da fatura #
POST /credit-cards/v1/vcns Criar VCN #
DELETE /credit-cards/v1/vcns/{vcnid} Cancelar VCN #
GET /credit-cards/v1/vcns/{vcnid} Consultar VCN #
PATCH /credit-cards/v1/vcns/{vcnid} Atualizar VCN #
GET /credit-cards/v1/vcns/{vcnid}/reveal Revelar dados do VCN #
POST /credit-cards/v1/{id}/{id} Bloquear Cartão #
GET /credit-cards/v1/{v1id} Listar faturas #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/contasimples:contasimples-credit-cards-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

contasimples-credit-cards-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Contasimples Credit Cards API
  version: '2026-10-10'
  description: 'GENERATED FROM DOCUMENTATION by API Evangelist on 2026-10-10: 34 operation(s) read from 5 public documentation page(s) (each operation names its page in x-source). This is not the provider''s published contract; Contasimples has published no machine-readable contract that the pipeline could find. Engine: local.'
  x-evidence-tiers:
    code-example: 1
    documentation: 33
    pages-with-code: 5
    pages-read: 5
  x-generated-from: documentation
  x-provenance: generated
  x-authored-by: API Evangelist
  x-generated: '2026-10-10'
  x-generator: generate-contract-from-docs.py
  x-engine: local
  x-sources:
  - https://developers.contasimples.com/br/api-reference/introducao
  - https://developers.contasimples.com/en/api-reference/introducao
  - https://developers.contasimples.com/br/api-reference/get-users-v1-roles
  - https://developers.contasimples.com/br/api-reference/get-users-v1-users
  - https://developers.contasimples.com/en/api-reference/get-users-v1-roles
servers:
- url: https://api-sandbox.contasimples.com
security:
- bearer: []
tags:
- name: Credit Cards
paths:
  /credit-cards/v1/bills/{duedate}:
    get:
      operationId: get_credit_cards_v1_bills_duedate
      tags:
      - Credit Cards
      summary: Detalhes da fatura
      x-source: https://developers.contasimples.com/br/api-reference/introducao
      parameters:
      - name: duedate
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Success (status as documented)
      x-evidence:
        kind: documentation
  /credit-cards/v1/vcns:
    post:
      operationId: post_credit_cards_v1_vcns
      tags:
      - Credit Cards
      summary: Criar VCN
      x-source: https://developers.contasimples.com/br/api-reference/introducao
      responses:
        '201':
          description: Success (status as documented)
      x-evidence:
        kind: documentation
  /credit-cards/v1/vcns/{vcnid}:
    delete:
      operationId: delete_credit_cards_v1_vcns_vcnid
      tags:
      - Credit Cards
      summary: Cancelar VCN
      x-source: https://developers.contasimples.com/br/api-reference/introducao
      parameters:
      - name: vcnid
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Success (status as documented)
      x-evidence:
        kind: documentation
    get:
      operationId: get_credit_cards_v1_vcns_vcnid
      tags:
      - Credit Cards
      summary: Consultar VCN
      x-source: https://developers.contasimples.com/br/api-reference/introducao
      parameters:
      - name: vcnid
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Success (status as documented)
      x-evidence:
        kind: documentation
    patch:
      operationId: patch_credit_cards_v1_vcns_vcnid
      tags:
      - Credit Cards
      summary: Atualizar VCN
      x-source: https://developers.contasimples.com/br/api-reference/introducao
      parameters:
      - name: vcnid
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Success (status as documented)
      x-evidence:
        kind: documentation
  /credit-cards/v1/vcns/{vcnid}/reveal:
    get:
      operationId: get_credit_cards_v1_vcns_vcnid_reveal
      tags:
      - Credit Cards
      summary: Revelar dados do VCN
      x-source: https://developers.contasimples.com/br/api-reference/introducao
      parameters:
      - name: vcnid
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Success (status as documented)
      x-evidence:
        kind: documentation
  /credit-cards/v1/{id}/{id}:
    post:
      operationId: post_credit_cards_v1_id_id
      tags:
      - Credit Cards
      summary: Bloquear Cartão
      x-source: https://developers.contasimples.com/br/api-reference/introducao
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
      - name: id
        in: path
        required: true
        schema:
          type: string
      responses:
        '201':
          description: Success (status as documented)
      x-evidence:
        kind: documentation
        collapsed_from: 2 example path(s) differing only at id
  /credit-cards/v1/{v1id}:
    get:
      operationId: get_credit_cards_v1_v1id
      tags:
      - Credit Cards
      summary: Listar faturas
      x-source: https://developers.contasimples.com/br/api-reference/introducao
      parameters:
      - name: v1id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Success (status as documented)
      x-evidence:
        kind: documentation
        collapsed_from: 3 example path(s) differing only at v1Id
components:
  securitySchemes:
    bearer:
      type: http
      scheme: bearer