Xoserve

Xoserve Supplier API

Bundled by Xoserve as the Supply Point Enquiry service, part of the Gas Enquiry Service (GES). Exposes detailed supply meter point information, filtered by MPRN, address_id or postcode combined with optional address detail. Aimed at organisations working to improve change-of-supply and data assurance processes. Access is arranged through the Retail Energy Code Company (RECCo), not directly with Xoserve.

GitHub OpenAPI

Documentation

📖
APIReference
https://discoveryapiportal.correla.com/api-details#api=supplier&operation=getSupplier_1
📖
Documentation
https://www.xoserve.com/products-services/data-products/gas-apis/
📖
Documentation
https://www.xoserve.com/products-services/data-products/gas-enquiry-service-ges/

Specifications

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

Schemas & Data

📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/xoserve/refs/heads/main/json-schema/xoserve-supplier-api-components.json

Other Resources

🔗
Overlay
https://raw.githubusercontent.com/api-evangelist/xoserve/refs/heads/main/overlays/xoserve-supplier-api-overlay.yaml
🔗
Examples
https://raw.githubusercontent.com/api-evangelist/xoserve/refs/heads/main/examples/xoserve-supplier-api-response-example.json
🔗
AgentSkill
https://raw.githubusercontent.com/api-evangelist/xoserve/refs/heads/main/skills/xoserve-resolve-supply-point-from-address.md
🔗
Portal
https://discoveryapiportal.correla.com/
🔗
SignUp
https://discoveryapiportal.correla.com/signin

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/xoserve-supplier-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

xoserve-supplier-api-openapi.yml Raw ↑ 
openapi: 3.0.1
info:
  title: Supplier
  description: 'The purpose of this API is to expose detailed Supply Meter Point information, enabling subscribers to filter the data by MPRN, Address ID and Address details.'
  version: v1
servers:
  - url: https://discoveryapi.correla.com/supplier
paths: { }
components:
  securitySchemes:
    apiKeyHeader:
      type: apiKey
      name: APIKey
      in: header
    apiKeyQuery:
      type: apiKey
      name: subscription-key
      in: query
security:
  - { }
  - apiKeyHeader: [ ]
  - apiKeyQuery: [ ]