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Speech & voice APIs tools used by Professional Services companies

Each line links its public proof and the date usedby last checked it.

15

Professional Services companies use Speech & voice APIs tools

5 confirmed 10 observed

The most used: Recall.ai (10), Deepgram (4), and AssemblyAI (3).Data as of Oct 25, 2026

Ranking

Tools ranked by the Professional Services companies that use them. Ties go to the stronger proof.

Largest and best-proven users

Two labelled views of the same companies. Neither is a score.

Who uses each tool

Strongest proof first. A job post is a signal, the weakest proof.

  1. 1Recall.ai10 companies · Checked Oct 24, 202610
    2 confirmed 8 observed

    Recall.ai profile

  2. 2Deepgram4 companies · Checked Oct 25, 20264
    3 confirmed 1 observed

    Deepgram profile

  3. 3AssemblyAI3 companies · Checked Oct 21, 20263
    0 confirmed 3 observed

    AssemblyAI profile

  4. 4LiveKit1 company · Checked Oct 25, 20261
    0 confirmed 1 observed

    LiveKit profile

How usedby counts

5 confirmed 10 observed

A company counts once per tool, at its strongest proof: confirmed (a case study, a named testimonial, a press release or the company's own account), declared (the company told usedby), observed (a vendor logo wall or customers page) or signal (a job post). Counts cover the companies on usedby, never the whole market.

No software vendor had to be left out.

Data as of October 25, 2026.

Questions

Which Speech & voice APIs tools do Professional Services companies use most?

Recall.ai leads: 10 of the 15 Professional Services companies on usedby that use Speech & voice APIs tools use it. Next: Deepgram (4), AssemblyAI (3), and LiveKit (1). See Recall.ai.

How many Professional Services companies use Speech & voice APIs tools?

15 Professional Services companies on usedby use at least one of 4 Speech & voice APIs tools. It counts the companies usedby tracks.

What proof backs these lines?

Of the 15 companies, each counted at its strongest proof: 5 confirmed, 0 declared, 10 observed and 0 known from a job post.

How does usedby build this ranking?

usedby counts each Professional Services company once per tool, from public proof: case studies, press releases, the company's own site or its declaration to usedby, vendor customer pages and job posts. Every line shows its proof and the date usedby last checked it.