All API vendors

APIPriceBook tracks pricing for 21 API providers across five categories. Each vendor page shows the headline price, free tier, pricing model, pros and cons, and a link to the source pricing page. Browse by category below.

Data as of June 2026.

Transactional Email APIs

Amazon SES

$0.10 per 1,000 emails

SendGrid

Essentials $19.95/month for 50,000 emails (~$0.40 per 1,000)

Resend

Pro $20/month for 50,000 emails ($0.40 per 1,000)

Mailgun

Basic ~$35/month for 50,000 emails (~$0.70 per 1,000)

Postmark

$15 for 10,000 emails ($1.50 per 1,000)

SMS APIs

Plivo

~$0.0050 per US outbound SMS + carrier fees

Amazon SNS

~$0.00645 per US outbound SMS + carrier fees

Twilio

~$0.0079 per US outbound SMS + carrier fees

Vonage

~$0.0086 per US outbound SMS + carrier fees

Authentication APIs (per MAU)

AWS Cognito

Free to 50,000 MAU, then ~$0.0055 per MAU (first paid tier)

Auth0

Free to 25,000 MAU, then paid tiers

Supabase Auth

Free to 50,000 MAU, then ~$0.00325 per MAU

Clerk

Free to 10,000 MAU, then ~$0.02 per MAU

Payment Processing APIs

Stripe

2.9% + $0.30 per online card transaction

Square

2.9% + $0.30 per online transaction

Braintree

2.59% + $0.49 per online transaction

PayPal

3.49% + $0.49 per standard online transaction

Adyen

~$0.13 processing fee + interchange + scheme fees (interchange++)

Search APIs

Algolia

~$0.50 per 1,000 search requests + record costs

Typesense Cloud

From ~$0.05 per node-hour (capacity-based, not per-search)

Meilisearch Cloud

Free tier, then usage-based by documents + search

Last updated: 2026-06-18