SimpleTexting website screenshot

SimpleTexting

SimpleTexting is a business SMS and MMS marketing platform. Its v2 REST API lets developers send single text messages, run bulk campaigns to lists and segments, manage contacts and contact lists, upload MMS media, provision sending numbers, and subscribe to delivery and incoming-message webhooks, all authenticated with a bearer token.

SimpleTexting publishes 10 APIs on the APIs.io network, including Campaigns API, Contact Lists API, Contact Segments API, and 7 more. Tagged areas include SMS, MMS, Messaging, Marketing, and Text Messaging.

SimpleTexting’s developer surface includes authentication, engineering blog, documentation, and 7 more developer resources.

🌐 Visit website 📡 Source on GitHub
32.1/100 thin ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessPaidSelf serveFree trial⚡ Free to try
10 APIs
SMSMMSMessagingMarketingText Messaging

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 32.1/100 · thin
Contract Quality 13.2 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 5.8 / 20
Operational Transparency 4.1 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 31/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/simpletexting: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 10

Individual APIs this provider publishes, each with its own machine-readable definition.

SimpleTexting Campaigns API

Create and retrieve bulk campaigns to lists and segments.

SimpleTexting Contact Lists API

Manage contact lists and list membership.

SimpleTexting Contact Segments API

Read dynamic contact segments.

SimpleTexting Contacts API

Create, read, update, and delete individual contacts.

SimpleTexting Contacts - Batch Operations API

Batch update and delete groups of contacts.

SimpleTexting Custom Fields API

Read account custom fields / merge tags.

SimpleTexting Media Items API

Upload and manage MMS media items.

SimpleTexting Messages API

Send and retrieve one-to-one SMS / MMS messages.

SimpleTexting Tenant API

Account information and sending phone numbers.

SimpleTexting Webhooks API

Subscribe to platform events via HTTP callbacks.

Scroll for all 10

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

SimpleTexting API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Simpletexting Plans Pricing

2 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Simpletexting Rate Limits

3 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Simpletexting Finops

FINOPS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Simpletexting Authentication

http · 1 scheme

SECURITY

Simpletexting Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Simpletexting Agentic Access

35 operations · 19 acting

35 operations · 19 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits
RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans
Plans
 FinOps
FinOps

Company 3

The organization behind the API

Blog
Blog
 LinkedIn
LinkedIn
 Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: simpletexting
url: https://raw.githubusercontent.com/api-evangelist/simpletexting/refs/heads/main/apis.yml
name: SimpleTexting
kind: company
description: SimpleTexting is a business SMS and MMS marketing platform. Its v2 REST API lets developers send single text
  messages, run bulk campaigns to lists and segments, manage contacts and contact lists, upload MMS media, provision sending
  numbers, and subscribe to delivery and incoming-message webhooks, all authenticated with a bearer token.
accessModel:
  pricing: paid
  onboarding: self-serve
  trial: true
  try_now: true
  public: false
  label: Paid (free trial) · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/simpletexting.png
tags:
- SMS
- MMS
- Messaging
- Marketing
- Text Messaging
created: '2026-06-20'
modified: '2026-06-20'
specificationVersion: '0.19'
apis:
- aid: simpletexting:simpletexting-campaigns-api
  name: SimpleTexting Campaigns API
  description: Create and retrieve bulk campaigns to lists and segments.
  humanURL: https://api-doc.simpletexting.com/
  baseURL: https://api-app2.simpletexting.com/v2
  tags:
  - Campaigns
  properties:
  - type: OpenAPI
    url: openapi/simpletexting-campaigns-api-openapi.yml
  - type: Documentation
    url: https://simpletexting.com/api/docs/
  - type: APIReference
    url: https://api-doc.simpletexting.com/
  - type: PostmanCollection
    url: collections/simpletexting.postman_collection.json
  - type: OpenCollection
    url: collections/simpletexting.opencollection.json
  - type: Review
    url: review.yml
- aid: simpletexting:simpletexting-contact-lists-api
  name: SimpleTexting Contact Lists API
  description: Manage contact lists and list membership.
  humanURL: https://api-doc.simpletexting.com/
  baseURL: https://api-app2.simpletexting.com/v2
  tags:
  - Contact Lists
  properties:
  - type: OpenAPI
    url: openapi/simpletexting-contact-lists-api-openapi.yml
  - type: Documentation
    url: https://simpletexting.com/api/docs/
  - type: APIReference
    url: https://api-doc.simpletexting.com/
  - type: PostmanCollection
    url: collections/simpletexting.postman_collection.json
  - type: OpenCollection
    url: collections/simpletexting.opencollection.json
  - type: Review
    url: review.yml
- aid: simpletexting:simpletexting-contact-segments-api
  name: SimpleTexting Contact Segments API
  description: Read dynamic contact segments.
  humanURL: https://api-doc.simpletexting.com/
  baseURL: https://api-app2.simpletexting.com/v2
  tags:
  - Contact Segments
  properties:
  - type: OpenAPI
    url: openapi/simpletexting-contact-segments-api-openapi.yml
  - type: Documentation
    url: https://simpletexting.com/api/docs/
  - type: APIReference
    url: https://api-doc.simpletexting.com/
  - type: PostmanCollection
    url: collections/simpletexting.postman_collection.json
  - type: OpenCollection
    url: collections/simpletexting.opencollection.json
  - type: Review
    url: review.yml
- aid: simpletexting:simpletexting-contacts-api
  name: SimpleTexting Contacts API
  description: Create, read, update, and delete individual contacts.
  humanURL: https://api-doc.simpletexting.com/
  baseURL: https://api-app2.simpletexting.com/v2
  tags:
  - Contacts
  properties:
  - type: OpenAPI
    url: openapi/simpletexting-contacts-api-openapi.yml
  - type: Documentation
    url: https://simpletexting.com/api/docs/
  - type: APIReference
    url: https://api-doc.simpletexting.com/
  - type: PostmanCollection
    url: collections/simpletexting.postman_collection.json
  - type: OpenCollection
    url: collections/simpletexting.opencollection.json
  - type: Review
    url: review.yml
- aid: simpletexting:simpletexting-contacts-batch-operations-api
  name: SimpleTexting Contacts - Batch Operations API
  description: Batch update and delete groups of contacts.
  humanURL: https://api-doc.simpletexting.com/
  baseURL: https://api-app2.simpletexting.com/v2
  tags:
  - Contacts - Batch Operations
  properties:
  - type: OpenAPI
    url: openapi/simpletexting-contacts-batch-operations-api-openapi.yml
  - type: Documentation
    url: https://simpletexting.com/api/docs/
  - type: APIReference
    url: https://api-doc.simpletexting.com/
  - type: PostmanCollection
    url: collections/simpletexting.postman_collection.json
  - type: OpenCollection
    url: collections/simpletexting.opencollection.json
  - type: Review
    url: review.yml
- aid: simpletexting:simpletexting-custom-fields-api
  name: SimpleTexting Custom Fields API
  description: Read account custom fields / merge tags.
  humanURL: https://api-doc.simpletexting.com/
  baseURL: https://api-app2.simpletexting.com/v2
  tags:
  - Custom Fields
  properties:
  - type: OpenAPI
    url: openapi/simpletexting-custom-fields-api-openapi.yml
  - type: Documentation
    url: https://simpletexting.com/api/docs/
  - type: APIReference
    url: https://api-doc.simpletexting.com/
  - type: PostmanCollection
    url: collections/simpletexting.postman_collection.json
  - type: OpenCollection
    url: collections/simpletexting.opencollection.json
  - type: Review
    url: review.yml
- aid: simpletexting:simpletexting-media-items-api
  name: SimpleTexting Media Items API
  description: Upload and manage MMS media items.
  humanURL: https://api-doc.simpletexting.com/
  baseURL: https://api-app2.simpletexting.com/v2
  tags:
  - Media Items
  properties:
  - type: OpenAPI
    url: openapi/simpletexting-media-items-api-openapi.yml
  - type: Documentation
    url: https://simpletexting.com/api/docs/
  - type: APIReference
    url: https://api-doc.simpletexting.com/
  - type: PostmanCollection
    url: collections/simpletexting.postman_collection.json
  - type: OpenCollection
    url: collections/simpletexting.opencollection.json
  - type: Review
    url: review.yml
- aid: simpletexting:simpletexting-messages-api
  name: SimpleTexting Messages API
  description: Send and retrieve one-to-one SMS / MMS messages.
  humanURL: https://api-doc.simpletexting.com/
  baseURL: https://api-app2.simpletexting.com/v2
  tags:
  - Messages
  properties:
  - type: OpenAPI
    url: openapi/simpletexting-messages-api-openapi.yml
  - type: Documentation
    url: https://simpletexting.com/api/docs/
  - type: APIReference
    url: https://api-doc.simpletexting.com/
  - type: PostmanCollection
    url: collections/simpletexting.postman_collection.json
  - type: OpenCollection
    url: collections/simpletexting.opencollection.json
  - type: Review
    url: review.yml
- aid: simpletexting:simpletexting-tenant-api
  name: SimpleTexting Tenant API
  description: Account information and sending phone numbers.
  humanURL: https://api-doc.simpletexting.com/
  baseURL: https://api-app2.simpletexting.com/v2
  tags:
  - Tenant
  properties:
  - type: OpenAPI
    url: openapi/simpletexting-tenant-api-openapi.yml
  - type: Documentation
    url: https://simpletexting.com/api/docs/
  - type: APIReference
    url: https://api-doc.simpletexting.com/
  - type: PostmanCollection
    url: collections/simpletexting.postman_collection.json
  - type: OpenCollection
    url: collections/simpletexting.opencollection.json
  - type: Review
    url: review.yml
- aid: simpletexting:simpletexting-webhooks-api
  name: SimpleTexting Webhooks API
  description: Subscribe to platform events via HTTP callbacks.
  humanURL: https://api-doc.simpletexting.com/
  baseURL: https://api-app2.simpletexting.com/v2
  tags:
  - Webhooks
  properties:
  - type: OpenAPI
    url: openapi/simpletexting-webhooks-api-openapi.yml
  - type: Documentation
    url: https://simpletexting.com/api/docs/
  - type: APIReference
    url: https://api-doc.simpletexting.com/
  - type: PostmanCollection
    url: collections/simpletexting.postman_collection.json
  - type: OpenCollection
    url: collections/simpletexting.opencollection.json
  - type: Review
    url: review.yml
common:
- type: AgenticAccess
  url: agentic-access/simpletexting-agentic-access.yml
- type: DomainSecurity
  url: security/simpletexting-domain-security.yml
- type: Authentication
  url: authentication/simpletexting-authentication.yml
- url: https://simpletexting.com/feed/
  type: Blog
- type: LinkedIn
  url: https://www.linkedin.com/company/simpletexting
- type: Website
  url: https://simpletexting.com/
- type: Documentation
  url: https://simpletexting.com/api/docs/
- type: Plans
  url: plans/simpletexting-plans-pricing.yml
- type: RateLimits
  url: rate-limits/simpletexting-rate-limits.yml
- type: FinOps
  url: finops/simpletexting-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com