Hightouch · OpenAPI Overlay 1.0.0

API Evangelist enhancements for Hightouch API

4 actions 4 updates documentation extends openapi/_original/hightouch-api-openapi.json

Derived by API Evangelist Built from the contracts Hightouch publishes. Hightouch did not publish this file.

View Overlay File View on GitHub Overlay Specification

What the actions change

x-apievangelist-slugx-apievangelist-harvested-fromx-apievangelist-harvested-onx-api-basetermsOfServicex-rate-limitdescriptionx-docs

Targets 3

$.info

$.components.securitySchemes.bearerAuth

OpenAPI Overlay

overlay: 1.0.0
info:
  title: API Evangelist enhancements for Hightouch API
  version: 1.0.0
extends: openapi/_original/hightouch-api-openapi.json
actions:
- target: $.info
  update:
    x-apievangelist-slug: hightouch
    x-apievangelist-harvested-from: https://api.hightouch.io/api/swagger.json
    x-apievangelist-harvested-on: '2026-08-13'
    x-api-base: https://api.hightouch.com/api/v1
    termsOfService: https://hightouch.com/terms-of-service
- target: $.info
  update:
    x-rate-limit:
      limit: 200
      window_seconds: 10
      scope: workspace
      docs: https://hightouch.com/docs/developer-tools/api-guide#hightouch-api-rate-limits
- target: $.components.securitySchemes.bearerAuth
  update:
    description: 'Workspace API key created by an Admin user in Settings > API keys, sent as `Authorization:
      Bearer <key>`. Keys authenticate as their creating user and stop working if that user is deactivated.
      TLS 1.2+ required.'
    x-docs: https://hightouch.com/docs/developer-tools/api-guide
- target: $
  update:
    x-artifacts:
      errors: errors/hightouch-problem-types.yml
      error_codes: errors/hightouch-error-codes.yml
      conventions: conventions/hightouch-conventions.yml
      authentication: authentication/hightouch-authentication.yml
      rate_limits: rate-limits/hightouch-rate-limits.yml
      data_model: data-model/hightouch-data-model.yml
      skills: skills/_index.yml

Work with this as data

Every overlay 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 openapi overlays

4 MCP tools reach this

find_overlaysBrowse and filter every overlay 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 overlay

curl "https://apis.io/api/v1/overlays/hightouch-api-overlay"

All openapi overlays

curl "https://apis.io/api/v1/overlays?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.

GitHub Google LinkedIn

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