AlloyX

AlloyX Availability API

Availability query and optional hold operations. Hold and release endpoints require the business to advertise holds: true in the dev.usp-protocol.services.availability capability.

GitHub OpenAPI

Operations 3

POST /availability/query Query Availability #
POST /availability/holds Hold Slot #
DELETE /availability/holds/{hold_id} Release Slot #

Specifications

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OpenAPI
https://raw.githubusercontent.com/api-evangelist/alloyx/refs/heads/main/openapi/alloyx-availability-api-openapi.yml

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https://raw.githubusercontent.com/api-evangelist/alloyx/refs/heads/main/apis.yml

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OpenAPI Specification

alloyx-availability-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Universal Scheduling Protocol (USP) REST Availability API
  version: '2026-08-20'
  description: The Universal Scheduling Protocol (USP) enables consumer platforms and AI agents to discover, check availability of, and book time-based services from businesses. This OpenAPI specification defines the REST binding for all USP operations.
  contact:
    url: https://usp-protocol.dev
  license:
    name: Apache-2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
servers:
- url: https://business.example.com/usp/v1
  description: Business USP endpoint (from /.well-known/usp)
tags:


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# Full source: https://raw.githubusercontent.com/api-evangelist/alloyx/refs/heads/main/openapi/alloyx-availability-api-openapi.yml