OpenCost

OpenCost CustomCost API

The CustomCost API from OpenCost — 2 operation(s) for customcost.

GitHub OpenAPI

Documentation

📖
Documentation
https://www.opencost.io/docs/integrations/api

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/opencost/refs/heads/main/openapi/opencost-customcost-api-openapi.yml

Schemas & Data

📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/opencost/refs/heads/main/json-schema/opencost-allocation-schema.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/opencost/refs/heads/main/json-schema/opencost-asset-schema.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/opencost/refs/heads/main/json-schema/opencost-cloudcost-schema.json

Other Resources

🔗
JSONLD
https://raw.githubusercontent.com/api-evangelist/opencost/refs/heads/main/json-ld/opencost-context.jsonld

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/opencost-customcost-api"
All apis 
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

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

OpenAPI Specification

opencost-customcost-api-openapi.yml Raw ↑ 
openapi: 3.1.0
info:
  title: OpenCost Allocation CustomCost API
  description: The OpenCost API provides real-time and historical reporting of Kubernetes workload costs and underlying cloud infrastructure spend. OpenCost is an open source CNCF specification and reference implementation for Kubernetes cost monitoring and FinOps.
  version: '1.0'
  contact:
    name: OpenCost
    url: https://www.opencost.io/
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0.html
servers:
- url: http://localhost:9003
  description: Local kubectl port-forward to opencost service
tags:
- name: CustomCost
paths:
  /customCost/timeseries:
    get:
      operationId: getCustomCostTimeseries
      summary: Custom cost timeseries data
      tags:
      - CustomCost
      parameters:
      - name: window
        in: query
        required: true
        schema:
          type: string
      - name: aggregate
        in: query
        schema:
          type: string
      - name: accumulate
        in: query
        schema:
          type: string
      - name: filter
        in: query
        schema:
          type: string
      responses:
        '200':
          description: Success
  /customCost/total:
    get:
      operationId: getCustomCostTotal
      summary: Custom cost totals
      tags:
      - CustomCost
      parameters:
      - name: window
        in: query
        required: true
        schema:
          type: string
      - name: aggregate
        in: query
        schema:
          type: string
      - name: accumulate
        in: query
        schema:
          type: string
      - name: filter
        in: query
        schema:
          type: string
      responses:
        '200':
          description: Success
externalDocs:
  description: OpenCost API Documentation
  url: https://www.opencost.io/docs/integrations/api