Postmark is specifically built to deliver your app’s emails to the inbox, fast. Instantly send and receive transactional email with zero maintenance. Since we send transactional only, ISPs love us. Our infrastructure combined with proper co...
API styles
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Webhooks
Webhooks management API
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Sandbox environment
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Authentication
OAuth playground
Identity protocols
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SSO / Social login
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Postman / Insomnia collections
OpenAPI/Swagger specs
Free developer account
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App listing requirements
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Base endpoint
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GraphQL endpoint
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IDE Extensions
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