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Documentation Index

Fetch the complete documentation index at: https://docs.bland.ai/llms.txt

Use this file to discover all available pages before exploring further.

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SMS

SMS is the lowest-common-denominator messaging channel. It works on every phone in the US and is the most regulated. This page covers what is specific to SMS. For everything channel-agnostic (pathways, conversation lifecycle, outcomes, the API surface), see Overview.
Enterprise feature — SMS is available on Enterprise plans. Contact your Account Executive or reach out to sales to get set up.

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A2P registration

In the United States, all phone numbers used for SMS must be registered with an A2P (Application to Person) campaign. Each number must be linked to a Twilio Messaging Service SID to send and receive SMS. Numbers purchased from Bland are linked to a Messaging Service SID automatically. For bring-your-own (BYOT) numbers, the ability to set up your own A2P campaign in Bland is coming soon. Until then, set up your A2P campaign with Twilio and pass the Messaging Service SID when configuring your SMS number in Bland.

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Pricing

Each SMS message is billed at $0.02 (inbound and outbound).

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Sending an SMS

Pass channel: "sms" (the default) when calling Send SMS, or let it be auto-derived from the number’s configuration. The same endpoints are used for SMS, RCS, and iMessage. When the recipient supports a richer channel and your number is configured for it, Bland upgrades to RCS or iMessage automatically. See RCS and iMessage for what those channels add.

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Coming up

  • A Transfer Chat node for messaging, replacing Transfer Call so you can transfer a messaging conversation to a human agent.
  • A2P campaign setup directly inside Bland.
Docs for agents: llms.txt