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 12 API contracts indexed on the APIs.io network, including Campaigns API, Contact Lists API, Contact Segments API, and 9 more. Tagged areas include SMS, MMS, Messaging, Marketing, and Text Messaging.
The SimpleTexting catalog on APIs.io includes 1 event-driven AsyncAPI specification and 1 Spectral governance ruleset.
SimpleTexting’s developer surface includes authentication, engineering blog, documentation, API reference, support, pricing, signup flow, and 25 more developer resources.
What this lets a business do 3
Business capabilities this provider's published APIs can perform, derived from its own contracts. Browse all capabilities →
Kin Score
Standards implemented 1
Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.
APIs 12
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.
SimpleTexting Tenant phones API
The Tenant phones API from SimpleTexting — 1 operation(s) for tenant phones.
SimpleTexting Webhook Reports API
Use webhooks to communicate between the SimpleTexting platform and your server. Webhooks can be used to forward messages as well as provide info about unsubscribes and message d...
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Open Collections 13
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
SimpleTexting API Documentation Campaigns API
OPEN COLLECTIONSimpleTexting API Documentation Contact Lists API
OPEN COLLECTIONSimpleTexting API Documentation Contact Segments API
OPEN COLLECTIONSimpleTexting API Documentation Contacts API
OPEN COLLECTIONSimpleTexting API Documentation Custom Fields API
OPEN COLLECTIONSimpleTexting API Documentation Media Items API
OPEN COLLECTIONSimpleTexting API Documentation Messages API
OPEN COLLECTIONSimpleTexting API Documentation Tenant API
OPEN COLLECTIONSimpleTexting API Documentation Tenant phones API
OPEN COLLECTIONSimpleTexting API Documentation Webhook Reports API
OPEN COLLECTIONSimpleTexting API Documentation Webhooks API
OPEN COLLECTIONSimpleTexting API Documentation
OPEN COLLECTIONScroll for all 13
Agent Skills 5
Packaged agent skills for driving this provider's APIs from an AI assistant.
Build and maintain a contact list
AGENT SKILLRun a bulk campaign to a list or segment
AGENT SKILLSend a single SMS or MMS
AGENT SKILLSend an MMS with uploaded media
AGENT SKILLSimpleTexting API pricing
Prices published by SimpleTexting, read 2026-10-28 from simpletexting.com/pricing/.
| Plan | Price |
|---|---|
| 500 credits plan (estimated monthly cost) | $29 Includes: 500 credits |
| Estimated monthly cost (500 texts, local number, yearly) | $39.00 Includes: 500 credits + local number ($10); billed yearly at $ 398.40; +$4 one-time carrier registration |
| Local number | $10/mo + $4 activation fee Includes: Same-day activation |
| Toll-free number | No additional fee Includes: Activation time varies |
| Dedicated short code | Begins at $1,000/mo |
| Additional teammates | $20/mo per user Includes: All paid plans come with three user seats |
| Additional numbers | $10/mo per number |
| Custom plan / advanced automations | Contact us for custom pricing |
Plan details, limits and sources →
Rate limits
- Page size: 500 items per request
- Webhook delivery rate: 25 requests
- API request rate: not published requests
Billed by: number · FinOps profile →
Pricing Plans 2
Published pricing tiers and plan structures.
Rate Limits 1
Documented rate limits and quota policies.
Simpletexting Rate Limits
RATE LIMITSService Levels 1
Uptime the provider promises or reports, as SLA4OAI. Read from its own pages; APIs.io runs no monitors.
FinOps 1
Cost, billing, and metering signals for API financial operations.
Simpletexting Finops
FINOPSEvent Specifications 1
AsyncAPI definitions for this provider's event-driven and streaming APIs.
Simpletexting Webhooks
ASYNCAPISpectral Rules 1
Spectral governance rulesets for linting and validating these APIs.
SimpleTexting API Rules
SPECTRALOpenAPI Overlays 12
Overlays applied on top of this provider's contracts. Each card says who wrote it: a document the provider publishes, or one API Evangelist derived or generated.
Simpletexting Tenant Api Overlay
DERIVEDScroll for all 12
Security Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
Resources
Get Started 3
Portal, sign-up, and the first successful call
Documentation 2
Reference material describing how the API behaves
Agent Surfaces 3
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 7
Pagination, idempotency, versioning, errors, and events
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Build 1
SDKs, sample code, and the tooling you integrate with
Access & Security 3
Authentication, authorization, and security posture
Operate 4
Status, limits, changes, and where to get help
Commercial 5
Pricing, plans, and the legal terms of use
Company 3
The organization behind the API
Other 1
Properties that don't map to a standard resource type
Source (apis.yml)
SimpleTexting API — frequently asked questions
Does SimpleTexting have an API?
Yes. APIs.io lists 12 APIs from SimpleTexting, including SimpleTexting Campaigns API, SimpleTexting Contact Lists API and SimpleTexting Contact Segments API, and 9 more.
Is there an OpenAPI specification for the SimpleTexting API?
Yes. APIs.io indexes 12 OpenAPI specifications for SimpleTexting, each linked for download from this page.
How do I authenticate with the SimpleTexting API?
SimpleTexting uses bearer-token authentication (apiKey · 1 scheme). The details are profiled on APIs.io as Simpletexting Authentication.
How much does the SimpleTexting API cost?
SimpleTexting publishes its prices; its 500 credits plan (estimated monthly cost) plan is $29 as of 2026-10-28. APIs.io lists 8 pricing plans for SimpleTexting, with each plan's price, limits and inclusions under Pricing on this page.
Is the SimpleTexting API ready for AI agents?
SimpleTexting has a Kin Score of 57.7 out of 100 (strong) and an Agent Readiness score of 39.3 (agent-ready), scored by API Evangelist on 2026-11-06.
Work with this as data
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