46elks, from 46elks AB in Sweden, is a communications API for SMS, MMS, voice calls and virtual phone numbers. Developers use a REST API and webhooks to send and receive messages, place and route calls, and stream live calls to AI models.
Pay as you go with no monthly minimum. Rates depend on the country: for the United States, the pricing page lists SMS at €0.02 per part, calls at €0.02 a minute and virtual landline numbers at €3 a month.
46elks has no iMessage or RCS, so iPhone users receive plain SMS or MMS. Linq sends iMessage with RCS and SMS fallback from real phone numbers. 46elks places and answers calls and can stream them to an AI model, while Linq's API docs say its API does not place or answer calls. Linq bills a flat fee from $260 a month; 46elks bills per message and per minute.
Developers who want simple pay-as-you-go SMS, MMS and voice APIs, including AI phone agents, without a monthly commitment.