AhaSend
AhaSend is a developer-focused transactional email platform providing fast, reliable email delivery via REST API and SMTP relay. It offers features including email tracking, webhooks, email routing, suppression management, domain management, SMTP credentials, and detailed delivery statistics.
AhaSend publishes 11 APIs on the APIs.io network, including Accounts API, API Keys API, Domains API, and 8 more. Tagged areas include Email, Transactional Email, Developer Tools, SMTP, and Webhooks.
The AhaSend catalog on APIs.io includes 2 JSON-LD contexts and 2 Spectral governance rulesets.
AhaSend’s developer surface includes authentication, pricing, engineering blog, support, signup flow, CLI, and 14 more developer resources.
Kin Score
APIs 11
Individual APIs this provider publishes, each with its own machine-readable definition.
AhaSend Accounts API
Manage account settings and members
AhaSend API Keys API
Manage API keys for authentication and access control
AhaSend Domains API
Manage sending domains
AhaSend Email API
APIs for sending emails
AhaSend Messages API
Send and manage transactional messages
AhaSend Routes API
Manage inbound email routing
AhaSend SMTP Credentials API
Manage SMTP authentication credentials
AhaSend Statistics API
Access transactional email statistics
AhaSend Suppressions API
Manage email suppressions
AhaSend Utility API
Utility endpoints for health checks and diagnostics
AhaSend Webhooks API
Manage webhook notifications
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Postman Collections 11
Ready-to-run Postman collections for exercising this provider's APIs.
AhaSend API v2 Accounts API
POSTMANScroll for all 11
Open Collections 1
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
AhaSend Email API
OPEN COLLECTIONPricing Plans 1
Published pricing tiers and plan structures.
Rate Limits 1
Documented rate limits and quota policies.
Ahasend Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals for API financial operations.
Ahasend Finops
FINOPSFeatures 10
Notable capabilities this provider offers.
Transactional Email Delivery
Fast delivery of transactional emails including OTPs and confirmations, targeting sub-2-second delivery to Gmail at 99th percentile.
Email Tracking
Track email opens and link clicks with real-time analytics.
Webhook Notifications
Real-time webhook events for delivery, bounces, opens, clicks, and account alerts.
Email Routing
Route incoming emails to HTTP endpoints with automatic parsing of signatures and quoted replies.
Suppression Management
Automated handling of bounces, complaints, and unsubscribes with suppression lists.
Domain Management
Manage sending domains including DNS validation, DKIM rotation, and whitelabeling.
SMTP Relay
Compatible SMTP relay supporting any programming language or software.
Dedicated IPs
Free dedicated IPs for high-volume senders exceeding 300k emails per month.
S3-Compatible Archiving
Archive emails to S3-compatible storage with configurable retention policies.
SSO with OIDC
Enterprise single sign-on via OpenID Connect with granular API credential scoping.
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Semantic Vocabularies 2
JSON-LD contexts and semantic vocabularies used across these APIs.
Ahasend Api Context
JSON-LDAhasend Openapi V2 Context
JSON-LDSpectral Rules 2
Spectral governance rulesets for linting and validating these APIs.
AhaSend API Rules
SPECTRALAhaSend API Rules
SPECTRALJSON Schema 63
Standalone JSON Schema definitions for this provider's data models.
AccessDeniedResponse
JSON SCHEMAAttachment
JSON SCHEMABadRequestResponse
JSON SCHEMAContact
JSON SCHEMAContent
JSON SCHEMASuccessfulResponse
JSON SCHEMAAccountMembersResponse
JSON SCHEMAAccount
JSON SCHEMAAddMemberRequest
JSON SCHEMAAddress
JSON SCHEMAAPIKey
JSON SCHEMAAPIKeyScope
JSON SCHEMAAttachment
JSON SCHEMABounce
JSON SCHEMABounceStatisticsResponse
JSON SCHEMABounceStatistics
JSON SCHEMACreateAPIKeyRequest
JSON SCHEMACreateConversationMessageRequest
JSON SCHEMACreateDomainRequest
JSON SCHEMACreateMessageRequest
JSON SCHEMACreateMessageResponse
JSON SCHEMACreateRouteRequest
JSON SCHEMACreateSingleMessageResponse
JSON SCHEMACreateSMTPCredentialRequest
JSON SCHEMACreateSuppressionRequest
JSON SCHEMACreateSuppressionResponse
JSON SCHEMACreateWebhookRequest
JSON SCHEMADeliverabilityStatisticsResponse
JSON SCHEMADeliverabilityStatistics
JSON SCHEMADeliveryEvent
JSON SCHEMADeliveryTime
JSON SCHEMADeliveryTimeStatisticsResponse
JSON SCHEMADeliveryTimeStatistics
JSON SCHEMADNSRecord
JSON SCHEMADomain
JSON SCHEMAMessageAttachment
JSON SCHEMAMessageContentParsed
JSON SCHEMAMessageContentPart
JSON SCHEMAMessageSchedule
JSON SCHEMAMessage
JSON SCHEMAMessageSummary
JSON SCHEMAPaginatedAPIKeysResponse
JSON SCHEMAPaginatedDomainsResponse
JSON SCHEMAPaginatedMessagesResponse
JSON SCHEMAPaginatedRoutesResponse
JSON SCHEMAPaginatedSMTPCredentialsResponse
JSON SCHEMAPaginatedSuppressionsResponse
JSON SCHEMAPaginatedWebhooksResponse
JSON SCHEMAPaginationInfo
JSON SCHEMARecipient
JSON SCHEMARetention
JSON SCHEMARoute
JSON SCHEMASMTPCredential
JSON SCHEMASuppression
JSON SCHEMATracking
JSON SCHEMAUpdateAccountRequest
JSON SCHEMAUpdateAPIKeyRequest
JSON SCHEMAUpdateDomainRequest
JSON SCHEMAUpdateRouteRequest
JSON SCHEMAUpdateWebhookRequest
JSON SCHEMAUserAccount
JSON SCHEMAWebhook
JSON SCHEMAScroll for all 63
JSON Structure 63
JSON Structure definitions describing this provider's data shapes.
Api Access Denied Response Structure
JSON STRUCTUREApi Attachment Structure
JSON STRUCTUREApi Bad Request Response Structure
JSON STRUCTUREApi Contact Structure
JSON STRUCTUREApi Content Structure
JSON STRUCTUREApi Email Structure
JSON STRUCTUREApi Successful Response Structure
JSON STRUCTUREOpenapi V2 Account Members Response Structure
JSON STRUCTUREOpenapi V2 Account Structure
JSON STRUCTUREOpenapi V2 Add Member Request Structure
JSON STRUCTUREOpenapi V2 Address Structure
JSON STRUCTUREOpenapi V2 Api Key Scope Structure
JSON STRUCTUREOpenapi V2 Api Key Structure
JSON STRUCTUREOpenapi V2 Attachment Structure
JSON STRUCTUREOpenapi V2 Bounce Statistics Response Structure
JSON STRUCTUREOpenapi V2 Bounce Statistics Structure
JSON STRUCTUREOpenapi V2 Bounce Structure
JSON STRUCTUREOpenapi V2 Create Api Key Request Structure
JSON STRUCTUREOpenapi V2 Create Conversation Message Request Structure
JSON STRUCTUREOpenapi V2 Create Domain Request Structure
JSON STRUCTUREOpenapi V2 Create Message Request Structure
JSON STRUCTUREOpenapi V2 Create Message Response Structure
JSON STRUCTUREOpenapi V2 Create Route Request Structure
JSON STRUCTUREOpenapi V2 Create Single Message Response Structure
JSON STRUCTUREOpenapi V2 Create Smtp Credential Request Structure
JSON STRUCTUREOpenapi V2 Create Suppression Request Structure
JSON STRUCTUREOpenapi V2 Create Suppression Response Structure
JSON STRUCTUREOpenapi V2 Create Webhook Request Structure
JSON STRUCTUREOpenapi V2 Deliverability Statistics Response Structure
JSON STRUCTUREOpenapi V2 Deliverability Statistics Structure
JSON STRUCTUREOpenapi V2 Delivery Event Structure
JSON STRUCTUREOpenapi V2 Delivery Time Statistics Response Structure
JSON STRUCTUREOpenapi V2 Delivery Time Statistics Structure
JSON STRUCTUREOpenapi V2 Delivery Time Structure
JSON STRUCTUREOpenapi V2 Dns Record Structure
JSON STRUCTUREOpenapi V2 Domain Structure
JSON STRUCTUREOpenapi V2 Message Attachment Structure
JSON STRUCTUREOpenapi V2 Message Content Parsed Structure
JSON STRUCTUREOpenapi V2 Message Content Part Structure
JSON STRUCTUREOpenapi V2 Message Schedule Structure
JSON STRUCTUREOpenapi V2 Message Structure
JSON STRUCTUREOpenapi V2 Message Summary Structure
JSON STRUCTUREOpenapi V2 Paginated Api Keys Response Structure
JSON STRUCTUREOpenapi V2 Paginated Domains Response Structure
JSON STRUCTUREOpenapi V2 Paginated Messages Response Structure
JSON STRUCTUREOpenapi V2 Paginated Routes Response Structure
JSON STRUCTUREOpenapi V2 Paginated Smtp Credentials Response Structure
JSON STRUCTUREOpenapi V2 Paginated Suppressions Response Structure
JSON STRUCTUREOpenapi V2 Paginated Webhooks Response Structure
JSON STRUCTUREOpenapi V2 Pagination Info Structure
JSON STRUCTUREOpenapi V2 Recipient Structure
JSON STRUCTUREOpenapi V2 Retention Structure
JSON STRUCTUREOpenapi V2 Route Structure
JSON STRUCTUREOpenapi V2 Smtp Credential Structure
JSON STRUCTUREOpenapi V2 Suppression Structure
JSON STRUCTUREOpenapi V2 Tracking Structure
JSON STRUCTUREOpenapi V2 Update Account Request Structure
JSON STRUCTUREOpenapi V2 Update Api Key Request Structure
JSON STRUCTUREOpenapi V2 Update Domain Request Structure
JSON STRUCTUREOpenapi V2 Update Route Request Structure
JSON STRUCTUREOpenapi V2 Update Webhook Request Structure
JSON STRUCTUREOpenapi V2 User Account Structure
JSON STRUCTUREOpenapi V2 Webhook Structure
JSON STRUCTUREScroll for all 63
Examples 62
Example request and response payloads for these APIs.
Api Attachment Example
EXAMPLEApi Contact Example
EXAMPLEApi Content Example
EXAMPLEApi Email Example
EXAMPLEOpenapi V2 Account Example
EXAMPLEOpenapi V2 Address Example
EXAMPLEOpenapi V2 Api Key Example
EXAMPLEOpenapi V2 Bounce Example
EXAMPLEOpenapi V2 Domain Example
EXAMPLEOpenapi V2 Recipient Example
EXAMPLEOpenapi V2 Retention Example
EXAMPLEOpenapi V2 Route Example
EXAMPLEOpenapi V2 Tracking Example
EXAMPLEOpenapi V2 Webhook Example
EXAMPLEScroll for all 62
Security Posture 3
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
Use Cases 5
What developers build with this provider.
Password Reset Emails
Send secure one-time password and password reset links with guaranteed fast delivery.
Email Verification
Deliver account verification emails for new user signups.
Order Confirmation Emails
Transactional order and shipping confirmation emails for e-commerce.
System Alerts
Programmatic email alerts and notifications from applications and infrastructure.
Inbound Email Processing
Route and process incoming emails in applications using email routing.
Integrations 7
Pre-built integrations with other platforms and tools.
Node.js
Native Node.js integration with code examples and SDK support.
Python
Python integration examples for sending emails via API or SMTP.
PHP / Symfony
PHP integration including Symfony Mailer transport support.
Ruby on Rails
Ruby integration with Rails ActionMailer transport.
Go
Official Go SDK for the AhaSend API.
WordPress
WordPress plugin for routing site emails through AhaSend.
Java
Java client generated from OpenAPI spec.
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Resources
Get Started 2
Portal, sign-up, and the first successful call
Agent Surfaces 1
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 2
Pagination, idempotency, versioning, errors, and events
Build 5
SDKs, sample code, and the tooling you integrate with
Access & Security 3
Authentication, authorization, and security posture
Operate 1
Status, limits, changes, and where to get help
Commercial 3
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API
Other 1
Properties that don't map to a standard resource type