CostUse

API prices

The billing unit sits next to the rate, so a per-message price is not mixed with a per-minute one.

Twilio

Communications APIs priced per message, minute, or phone number.

Typeform

Conversational forms with published Basic, Plus, and Business plans priced by monthly responses.

Unleash

Feature management with published pay-as-you-go seat rates and API request overages.

Uploadcare

File upload, processing, and CDN with published Pro operations and traffic overage rates.

Vonage

Communications APIs for SMS, voice, and verify priced by message and minute.

Weaviate

Vector database cloud with published storage and dimension request rates.

WorkOS

Enterprise auth platform with published SSO connection rates and AuthKit MAU overage packs.

xAI

Grok models from xAI with competitive API pricing and long context tiers.

Z.AI

GLM flagship models from Z.AI with first-party cache-aware token pricing.

Zapier

Automation platform with published Professional task packages and pay-per-task overages.