Onomondo SMS API

Send SMS to devices and retrieve SMS usage.

Operations 3

GET /sms/usage/ Retrieve SMS usage for all SIMs #
GET /sms/usage/{sim_id} Retrieve SMS usage for a specific SIM #
POST /sms/{sim_id} Send SMS to a device #

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/onomondo-sms-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 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.

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

OpenAPI Specification

onomondo-sms-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Onomondo Connectors SMS API
  description: HTTP RESTful API for the Onomondo IoT cellular-connectivity platform. Resource-oriented URLs with standard HTTP verbs, JSON request/response bodies, and Bearer API-key authentication. Served exclusively over TLS (HTTPS). Use it to manage SIMs, usage, network lists, SMS, webhooks, connectors, and tags across a global IoT fleet.
  termsOfService: https://onomondo.com/legal/
  contact:
    name: Onomondo Support
    url: https://onomondo.com/contact/
  version: '1.0'
servers:
- url: https://api.onomondo.com
  description: Onomondo production API
security:
- apiKey: []
tags:
- name: SMS
  description: Send SMS to devices and retrieve SMS usage.
paths:
  /sms/usage/:
    get:
      operationId: getSmsUsageAll
      tags:
      - SMS
      summary: Retrieve SMS usage for all SIMs
      parameters:
      - $ref: '#/components/parameters/Limit'
      - $ref: '#/components/parameters/Offset'
      - name: timestamp
        in: query
        schema:
          type: string
          format: date
      - name: order
        in: query
        schema:
          type: string
          enum:
          - ASC
          - DESC
          default: DESC
      responses:
        '200':
          description: SMS usage records.
  /sms/usage/{sim_id}:
    parameters:
    - $ref: '#/components/parameters/SimId'
    get:
      operationId: getSmsUsageForSim
      tags:
      - SMS
      summary: Retrieve SMS usage for a specific SIM
      parameters:
      - $ref: '#/components/parameters/Limit'
      - $ref: '#/components/parameters/Offset'
      - name: timestamp
        in: query
        schema:
          type: string
          format: date
      - name: order
        in: query
        schema:
          type: string
          enum:
          - ASC
          - DESC
          default: DESC
      responses:
        '200':
          description: SMS usage records for the SIM.
  /sms/{sim_id}:
    parameters:
    - $ref: '#/components/parameters/SimId'
    post:
      operationId: sendSms
      tags:
      - SMS
      summary: Send SMS to a device
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SendSmsRequest'
      responses:
        '200':
          description: SMS accepted for delivery.
components:
  parameters:
    SimId:
      name: sim_id
      in: path
      required: true
      description: The Onomondo SIM identifier.
      schema:
        type: string
    Limit:
      name: limit
      in: query
      description: Maximum number of objects to return (1-1000).
      schema:
        type: integer
        minimum: 1
        maximum: 1000
        default: 1000
    Offset:
      name: offset
      in: query
      description: Number of objects to skip for pagination.
      schema:
        type: integer
        default: 0
  schemas:
    SendSmsRequest:
      type: object
      required:
      - from
      - text
      properties:
        from:
          type: string
          description: Numeric (0-15 digits) or alphanumeric (1-10 chars) sender.
        text:
          type: string
          description: Message content or encoded data.
        type:
          type: string
          enum:
          - text
          - binary
          default: text
        encoding:
          type: string
          enum:
          - hex
          - base64
          description: Required when type is binary.
  securitySchemes:
    apiKey:
      type: apiKey
      in: header
      name: Authorization
      description: Organization-scoped API key supplied in the Authorization header. Generated in the Onomondo platform and coupled to the organization under which it is created.