Is this a phone number service?

No. You keep your own number and SIM. ApiSIM connects the phone you already have to your software.

What does a line mean?

One SIM on one connected phone. Dual-SIM phones can run two lines; each needs its own seat.

Yes, anytime from the billing portal. Access continues until the end of the paid period.

Prices are in US dollars with euro and Norwegian krone options at checkout. Prices exclude VAT.

Where is data stored?

In the EU. Recordings live in a private encrypted bucket and are deleted according to your retention setting.

Fact sheet · APIs & SDKs

ApiSIM

Your phone as an API for SMS, calls, recordings and transcripts

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Connect your Android phone to an API to send and receive SMS, make calls with live audio, and create recordings and transcripts through webhooks and events.

Overview

Screenshot of the ApiSIM homepage — What apisim.app looks like

ApiSIM connects an Android phone you own to your software as an API endpoint. Send and receive SMS messages up to 1,600 characters, make outgoing calls that your software or browser can join via WebRTC, and record calls with asynchronous transcripts. The service includes REST API, webhooks, and events for every action. Recording and transcription are optional and prepaid via credits; all other functionality is covered by the monthly per-line subscription. Your phone, SIM and carrier plan remain under your control.

Feature facts

Send SMS messages up to 1,600 characters
Receive incoming SMS and calls as webhook events
Outgoing calls with WebRTC audio for browser or AI
Idempotent messaging with operation status tracking
Model Context Protocol server for Claude and Cursor
Included bridge minutes per month
Conversation scoping per line and number
API rate limiting and fair-use enforcement
Dual-SIM support with separate credentials per line

Pricing

Pricing model: Paid

Monthly subscription per connected line (exact price not specified in documentation). Recording and transcription are optional, charged from prepaid credits at rates shown in workspace. Credits are in US dollars and never expire while workspace is active.

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ApiSIM specifications

Specifications of ApiSIM
Section	APIs & SDKs
Origin	Frekhaug, Norway
Website	apisim.app
Votes²	0

ApiSIM metrics

Fact file for apisim.app: Ahrefs Domain Rating and Majestic link facts, each with the change since the last fact check.
Metric	Value
Domain Rating	0 no change since last check
Trust Flow	0 no change since last check
Citation Flow	0 no change since last check
Referring domains	0 no change since last check
External backlinks	0 no change since last check

Fact: Ahrefs Domain Rating checked 12 Nov 2026, fact changed 2 Nov 2026. Fact: Majestic checked 2 Nov 2026, fact changed 2 Nov 2026. Link facts from Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.

ApiSIM domain fact sheet

Open the fact sheet

Read from the public RDAP record on 12 Nov 2026, 14:00 UTC.
Domain age	12 days
Registered	31 Oct 2026
Expires	31 Oct 2027
Registrar	Porkbun LLC
DNSSEC	Not signed

Every domain fact for apisim.app

ApiSIM launch receipt sheet

What we have measured for ApiSIM since it went live on SaaS Directory Info on 2 November 2026.

0 Domain Rating (Ahrefs) no change since launch
at launch: 0 (2 Nov 2026); latest: 11 Nov 2026
0 Trust Flow (Majestic)
first measured 2 Nov 2026
0 Referring domains (Majestic)
first measured 2 Nov 2026

Day 9 since launch. Next receipt: day 30, 2 Dec 2026. The figures report a change; they do not say what caused it, and many things can. No figure here is a guess.

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Frequently looked up

Q1Is this a phone number service?: No. You keep your own number and SIM. ApiSIM connects the phone you already have to your software.
Q2What does a line mean?: One SIM on one connected phone. Dual-SIM phones can run two lines; each needs its own seat.
Q3Can I cancel?: Yes, anytime from the billing portal. Access continues until the end of the paid period.
Q4Which currencies?: Prices are in US dollars with euro and Norwegian krone options at checkout. Prices exclude VAT.
Q5Where is data stored?: In the EU. Recordings live in a private encrypted bucket and are deleted according to your retention setting.

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