CostUse

API prices

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

Axiom

Event and log platform with published graduated data-loading rates after free allowances.

Azure

Azure OpenAI Service Global Standard pay-as-you-go token rates for enterprise GPT models.

Bandwidth

Enterprise messaging and voice APIs with public US SMS list rates.

Better Stack

Logs and uptime monitoring with published per-GB log ingestion and retention rates.

Bird

Messaging APIs (formerly MessageBird) with public country SMS list rates.

Brave Search

Brave Search API with a flat $5 per 1,000 web-search requests for agents.

Brevo

Marketing and transactional email with plan quotas and credit packs.

Browserbase

Managed browser infrastructure for agents with published overage rates for hours, search, and fetch.

Cartesia

Realtime voice agents and Sonic TTS with public per-minute and credit meters.

Checkly

Synthetic monitoring with published browser and API check overage rates.