Grubhub · Authentication Profile

Grubhub Authentication

Authentication

Grubhub secures its APIs with apiKey and oauth2 across 2 declared security schemes, as derived from its OpenAPI definitions. OAuth 2.0 is offered via the clientCredentials flow(s).

Methods: apiKey, oauth2 Schemes: 2 OAuth flows: clientCredentials API key in: header

Security Schemes

hmacAuth apiKey

· in: header (Authorization)

oauthAuth oauth2

· flows: clientCredentials

Source

Authentication Profile

generated: '2026-07-11'
method: derived
source: openapi/grubhub-deliveries-openapi.yml, openapi/grubhub-menu-openapi.yml, openapi/grubhub-merchant-data-openapi.yml,
  openapi/grubhub-merchant-schedules-openapi.yml, openapi/grubhub-onboarding-openapi.yml, openapi/grubhub-orders-openapi.yml
summary:
  types:
  - apiKey
  - oauth2
  api_key_in:
  - header
  oauth2_flows:
  - clientCredentials
schemes:
- name: hmacAuth
  type: apiKey
  in: header
  parameter: Authorization
  description: HMAC-based authentication. Every request must include X-GH-PARTNER-KEY and an
    Authorization header with MAC authentication details.
  sources:
  - openapi/grubhub-deliveries-openapi.yml
  - openapi/grubhub-menu-openapi.yml
  - openapi/grubhub-merchant-data-openapi.yml
  - openapi/grubhub-merchant-schedules-openapi.yml
  - openapi/grubhub-orders-openapi.yml
- name: oauthAuth
  type: oauth2
  flows:
  - flow: clientCredentials
    tokenUrl: /oauth2/direct/auth
    scopes: 0
  description: OAuth 2.0 authentication for the Onboarding API. Partners use OAuth to authenticate
    merchant onboarding operations.
  sources:
  - openapi/grubhub-onboarding-openapi.yml

Work with this as data

Every security artifact 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 security posture

4 MCP tools reach this

find_securityBrowse and filter every security artifact in the catalog.
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 security artifact

curl "https://apis.io/api/v1/security/grubhub-authentication"

All security posture

curl "https://apis.io/api/v1/security?limit=25"

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

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.

GitHub Google LinkedIn

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