API Developer Salary.
Across 30 U.S. cities.
$132,000
national median salary
$100,000 to $172,000. Last updated April 2026.
Highest Paying
$185,000
San Francisco, CA
Best Purchasing Power
$138,000
St. Louis, MO
Lowest Paying
$100,000
Jackson, MS
Salary data sourced from SEC filings, H-1B Labor Condition Applications (DOL), Bureau of Labor Statistics Occupational Employment and Wage Statistics, and aggregated job postings across 50+ platforms. Ranges reflect 25th to 75th percentile for full-time positions. Cost-of-living adjustments use Bureau of Economic Analysis Regional Price Parities (2025 index). Last updated April 2026.
The average API Developer salary in the United States is $132,000 in 2026, with the full range spanning $100,000 at the 25th percentile to $172,000 at the 75th. San Francisco pays the most at $185,000, while St. Louis offers the best purchasing power after cost-of-living adjustments. Developers who design and maintain public-facing APIs serving millions of requests drive the most value.
API Developer salary by city
What you should know
Developers who design and maintain public-facing APIs serving millions of requests drive the most value. Expertise in GraphQL, gRPC, and API gateway management alongside strong documentation practices commands top pay. Fintech and platform companies where APIs are the core product pay 15 to 20% above internal tooling API roles.
Backend developers start at $78,000 to $95,000, transitioning to dedicated API roles at $100,000 to $172,000 within three years. Senior API architects earn $175,000 to $220,000, and director of platform or developer experience roles reach $230,000 to $300,000 at API-first businesses.
Equity at API-first companies like Stripe, Twilio, or Plaid can add $25,000 to $70,000 in annual value. Bonuses of 10 to 15% are standard, and developer experience-focused companies often provide generous conference and open-source contribution allowances.