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Authentication
Authenticate every API request
All API requests must be authenticated with an API key or a company JWT. Keys are scoped to specific actions, so you can create multiple keys with different scopes for different use cases.
API keys
API keys are scoped to specific actions. You can create multiple keys with different scopes for different use cases. Pass the key in the Authorization header on every request.
GET /v1/opportunities/listings
Authorization: Bearer hf_live_xxxxxxxxxxxxxKey prefixes
The prefix tells you which environment a key targets at a glance.
Prefix
Environment
hf_live_
Production
hf_test_
Sandbox / Test
Rate limits
Limits scale with your plan. Enterprise customers can request higher ceilings.
Plan
Limit
Starter
60 requests / minute
Growth
300 requests / minute
Enterprise
1,000+ requests / minute