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Connectors / Communication · HTTP Connector
Automate SimpleTexting with Tray.ai
Send an SMS, add a contact to a list and add a number in SimpleTexting, and start a workflow when SimpleTexting sends “Message delivered or undelivered”.
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What can you do with SimpleTexting on Tray.ai?
SimpleTexting is an SMS and MMS marketing service for US businesses that sends text campaigns, manages subscriber lists and keywords, and handles two-way texting. Tray.ai connects to SimpleTexting through the HTTP Connector, so your workflows can call the SimpleTexting API alongside the rest of your stack. API access comes through SimpleTexting's partner program or API plan, so you need approved credentials first.
- When SimpleTexting sends “Contact unsubscribed”, mark the contact as opted out in your CRM.
- When SimpleTexting sends “Incoming SMS received”, open a ticket in your help desk for the support team.
- Send an SMS to confirm an appointment as soon as it is booked in your scheduling system.
- Add a contact to a list when a customer opts in to texts during checkout in your online store.
- Connects through
- HTTP Connector
- Authentication
- A bearer token
- Base URL
- https://app2.simpletexting.com/v1
Set it up
Connect SimpleTexting to Tray.ai
Each step uses SimpleTexting's own API details, from its documentation.
Step 1
Save SimpleTexting's API token
Ask SimpleTexting for API access. Once it's approved, save the token SimpleTexting issues as a Tray.ai authentication. The HTTP Client sends it as a bearer token on every call. The token stays out of the workflow and out of the logs.
Step 2
Point the HTTP Client at the API
Add an HTTP Client step and use https://app2.simpletexting.com/v1 as the base URL. Or paste a cURL example from SimpleTexting's API docs, and Tray.ai fills in the method, URL, and headers.
Step 3
Start with “Check remaining credits”
It's one of 18 documented actions, under Messages. The response comes back as data the next step can map into your other apps.
Step 4
Start workflows from SimpleTexting events
Give SimpleTexting the URL of a Tray.ai webhook trigger. “Message delivered or undelivered” can then start a workflow, and so can 3 other events.
What the SimpleTexting API covers
5 resources and 18 documented actions, each one a call the HTTP Connector can make from a Tray.ai workflow. SimpleTexting gives API access on request, so approved credentials come first. Connecting it takes a few clicks: here's how.
Messages
- Send an SMS
- Send an MMS
- Check remaining credits
Campaigns
- List sent campaigns
- List scheduled campaigns
- Get a campaign
- Delete a campaign
Contacts
- List contacts in a list
- Add a contact to a list
- Update a contact
- Remove a contact
Unsubscribed list
- Add a number
- Remove a number
Keywords
- Check a keyword
- Rent a keyword
- Configure a keyword
- Remove a keyword
- List keywords
Events SimpleTexting can send to a Tray.ai webhook trigger
- Message delivered or undelivered
- Contact unsubscribed
- Incoming SMS received
- Incoming MMS received
Checked against SimpleTexting's own documentation on 2026-10-22
How Tray.ai makes this work
SimpleTexting plugs into the whole Tray.ai platform
Intelligent Integration
Integrate and automate across 6,000+ apps, databases, APIs, and services with visual workflows, error handling, and observability.
Learn more →Agent Builder
Build AI agents that read, write, and take action in SimpleTexting — with guardrails, audit, and human-in-the-loop.
Learn more →Agent Gateway for MCP
Expose SimpleTexting actions as governed MCP tools — observable, rate-limited, authenticated.
Learn more →Tray Helix
Build apps on SimpleTexting data with your AI assistant, then deploy, run, and govern them on Tray.ai.
Learn more →More communication apps on Tray.ai
Dedicated connectors and other apps Tray.ai reaches in the same category. See every communication connector →
Frequently asked questions
What can a Tray.ai workflow do in SimpleTexting?
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The SimpleTexting API documents 18 actions across 5 resources (Messages, Campaigns, Contacts, Unsubscribed list, Keywords). For example: Send an SMS; List sent campaigns; List contacts in a list. A workflow can make any documented call through the HTTP Connector.
How does Tray.ai authenticate with SimpleTexting?
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The SimpleTexting API uses a bearer token. You save it once as a Tray.ai authentication, and the HTTP Connector adds it to every request.
Which SimpleTexting events can start a Tray.ai workflow?
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SimpleTexting sends 4 events to a webhook URL, for example: Message delivered or undelivered; Contact unsubscribed; Incoming SMS received; Incoming MMS received. A Tray.ai webhook trigger receives them and starts a workflow.
Do I need special access to the SimpleTexting API?
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Yes. SimpleTexting gives API access on request, so you need approved credentials before a Tray.ai workflow can call it.
See SimpleTexting working against your stack.
We'll walk through a tailored demo with your systems plugged in.
Thanks — someone from our team will be in touch soon.