Skill report · GenAI & LLMs
LLM APIs: demand in job postings
LLM APIs is named in 2% of the 28,652 tech job postings Mettlespark read in the United States and Canada over the last 180 days (575 postings), most often for Applied AI Engineer at 18%, AI Engineer at 16% and Full-Stack Engineer at 4%. When a posting names it, 67% list it as required.
From 28,652 postings in the United States and Canada, April 23, 2026 to October 20, 2026. Updated October 20, 2026. How we count
- Postings naming it
- 5752% of all postings
- Required when named
- 67%rather than nice to have
- Senior level or above
- 62%of the postings naming it
- Time to learn
- about 12 hoursfrom zero to job-ready, Mettlespark's estimate
Over time
Its share of postings has risen about 2 points since October 2023, comparing like with like.
The roles that ask for it most
The share of each role's postings that name LLM APIs.
| Role | Share of the role's postings |
|---|---|
| Applied AI Engineer | |
| AI Engineer | |
| Full-Stack Engineer | |
| Forward Deployed Engineer |
Often asked for alongside
The share of postings naming LLM APIs that also name each.
Industries
Where the postings naming it come from.
- Banking & Financial Services15%
- Enterprise Software & SaaS9%
- AI Research & Foundation Models9%
- Healthcare9%
Learn first
What Mettlespark's learning plans put before LLM APIs:
Quick answers
Is LLM APIs in demand?
LLM APIs is named in 2% of tech job postings in the United States and Canada over the last 180 days, 575 postings, and required in 67% of those. Its share of postings has risen about 2 points since October 2023, comparing like with like.
Which jobs ask for LLM APIs?
Applied AI Engineer, AI Engineer, Full-Stack Engineer and Forward Deployed Engineer postings name it most often: 18% of Applied AI Engineer postings, 16% of AI Engineer postings, 4% of Full-Stack Engineer postings.
What skills go with LLM APIs?
Postings that name LLM APIs most often also name LLMs, AI Agents, Python and Machine Learning.
What should I learn before LLM APIs?
Mettlespark's learning plans put LLMs first.
How long does it take to learn LLM APIs?
About 12 hours from zero to job-ready, by Mettlespark's estimate; less with the prerequisites already in hand.