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HighLevel API: what you can do and how to access it
By Cathy Riddell · Facts checked 4 Nov 2026
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Key facts (official docs)
| Topic | What HighLevel says |
|---|---|
| Availability | API access across all plans, including Starter, Unlimited and Agency Pro |
| Auth options | OAuth 2.0 for public/Marketplace apps or multi-account access; Private Integration Tokens for internal or single-account use |
| Token life | OAuth access tokens expire daily; refresh tokens last a year. PITs are static until you rotate them; HighLevel recommends rotating every 90 days |
| Rate limits (v2) | Burst: 100 requests per 10 seconds; daily: 200,000 requests, per Marketplace app per Location or Company |
| API v1 | Legacy API keys work on v1, which HighLevel says has reached end-of-life |
Sources: HighLevel API documentation (help centre), Private Integrations docs, checked 4 Nov 2026. Note the pricing page plan cards also mention "Basic API access" on Unlimited, so confirm what you need with HighLevel before buying.
What I'd use it for
- Syncing contacts or opportunities with another system
- Pushing leads in from a custom form or app
- Reporting outside HighLevel
- Most simple connections can be done with workflows, webhooks or Marketplace apps before writing code
Getting started
- Decide between a Private Integration (one account) and an OAuth app (many accounts).
- Grant only the scopes you need.
- Watch the rate-limit headers HighLevel returns.
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Frequently asked questions
Is the HighLevel API available on the Starter plan?
HighLevel's API documentation says API access, including OAuth 2.0 and Private Integration Tokens, is available on all plans.
What are HighLevel's API rate limits?
100 requests per 10 seconds and 200,000 per day, per Marketplace app per Location or Company, per HighLevel's docs.
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About the author: Cathy RiddellAgency owner who uses HighLevel daily for client work. How we review →