Ably realtime message
$0.000003 / message (publish + deliver fan-out)
API usage cost calculators
Choose the exact service you use. The calculator keeps the provider’s billing unit visible so a per-message rate is never confused with a per-minute or per-request rate.
Ably
Realtime messaging with pay-as-you-go rates per million messages and connection minutes.
Ably connection minute
$0.000001 / connection minute
Agora
Realtime voice and video RTC APIs priced per participant minute.
Agora RTC audio participant minute
$0.00099 / audio participant minute
Agora RTC video HD participant minute
$0.00399 / HD video participant minute
Algolia
Search and discovery API priced around search requests and records.
Algolia search request (illustrative)
$0.0005 / search request
Amplitude
Product analytics with free event volume and usage-based paid tiers.
Amplitude analytics event (illustrative paid band)
$0.00045 / event
Apify
Web scraping and automation with published compute-unit rates.
Apify compute unit
$0.2 / compute unit
Apify compute unit (Scale)
$0.16 / compute unit (Scale rate)
api.video
Video API with free encoding and published per-minute storage and delivery rates.
api.video storage minute
$0.00285 / minute of video stored
api.video delivery minute
$0.0017 / minute of video delivered
AssemblyAI
Speech-to-text and audio intelligence APIs billed per hour of audio.
AssemblyAI Universal-2 speech-to-text
$0.0025 / audio minute
AssemblyAI Universal-3.5 Pro speech-to-text
$0.0035 / audio minute
Auth0
Customer identity with published B2C Essentials tiers starting from a fixed monthly MAU band.
Auth0 B2C Essentials MAU (entry band)
$0.07 / monthly active user (entry band)
AWS
Cloud services billed by request, storage, transfer, and compute time.
Amazon Polly Neural TTS
$0.000016 / character
Axiom
Event and log platform with published graduated data-loading rates after free allowances.
Axiom data loading (Tier 1)
$0.12 / GB data loaded