Inbound APIs
Receive at scale
Capture high-volume inbound email traffic with programmable addresses and account controls.
Build inbound email ingestion pipelines with one API
MailSlurp helps teams build reliable inbound email ingestion pipelines for logistics, finance, operations, and customer workflows. Create addresses on demand, capture message content and attachments, and trigger routing, AI transformers, OCR, and webhook handoff from one platform.
Attachment handling
Structured ingestion
Process PDFs, images, and files from inbound messages for downstream automation.
Webhook events
Real-time routing
Push message and attachment events directly into your services with retry safety.
Polling + SDK waits
Flexible integration
Use webhooks for push flows or polling/wait patterns where architecture requires pull.
Core capabilities
What teams need when email workflows matter
Create inbound endpoints with real email addresses
Provision addresses in bulk, assign them to customers or pipelines, and keep ownership clear across environments and teams.
- Mailbox provisioning
- Address lifecycle
- API controls
Parse body content, headers, and metadata
Extract message fields and routing context so workflows can classify, transform, and enrich inbound communications.
- Header parsing
- Routing metadata
- Structured extraction
Process attachments and trigger downstream actions
Capture attachments and forward data into OCR, AI extraction, CRM, ERP, or document pipelines with webhook-driven handoffs.
- Attachment processing
- OCR workflows
- Webhook handoff
Build resilient automation with retries and observability
Configure retry-safe event handling and workflow controls to avoid silent failures and manual rework in critical inbound pipelines.
- Event retries
- Workflow visibility
- Operational resilience
Team use cases
How engineering, QA, and operations teams use MailSlurp
Logistics and operations
Shipment and receipt ingestion
Collect inbound confirmations, packing slips, and vendor updates, then transform unstructured email into actionable workflow data.
- Reduce manual rekeying from email attachments
- Accelerate reconciliation and order exception handling
- Route each inbound message to the right system automatically
Platform teams
Customer-specific mailbox workflows
Assign dedicated addresses to tenants or accounts and keep lifecycle controls in API-driven infrastructure.
- Improve traceability of customer communication streams
- Enable dynamic mailbox assignment in app onboarding
- Control forwarding, reply, and retention behavior centrally
Automation engineers
Event-driven document pipelines
Trigger webhook and polling flows that parse inbound content and push structured records into automation layers.
- Connect inbound email to AI extraction and validation workflows
- Cut latency between message arrival and system action
- Increase reliability with deterministic event handling
Getting started
Get this working quickly, then build on it
Week 1
Stand up inbound capture and parsing for one workflow
Pick one high-volume inbound process to prove routing speed and data quality improvements quickly.
- Provision dedicated inbound addresses per workflow
- Parse message body, headers, and attachments into structured payloads
- Route events into one downstream business system
Week 2
Harden reliability and ownership controls
Add retries, monitoring, and clear team ownership so inbound automation remains stable under real traffic.
- Configure retry-safe webhook handling and alerting
- Document escalation paths for failed event processing
- Apply policy controls for forwarding and retention
Week 3+
Scale to multi-team production ingestion
Expand from one inbound process to broader document, support, and operations workflows with governance in place.
- Roll out additional mailbox groups by function or customer segment
- Measure cycle-time and manual-touch reduction
- Use support and sales teams for enterprise rollout planning
Team fit
How different teams get value
Operations leaders
Challenge: Inbound emails create bottlenecks when teams process content manually.
What improves: Automate ingest, routing, and extraction so operations teams focus on exceptions, not data entry.
Backend and platform engineers
Challenge: Custom parsers and mailbox infrastructure are hard to scale safely.
What improves: Use managed APIs and event primitives to build durable inbound communication services.
Automation and integration teams
Challenge: Handoffs between email and business systems are fragile and hard to observe.
What improves: Standardize event delivery with webhooks, retries, and API-level workflow controls.
Customer outcomes
What gets better once MailSlurp is in place
Faster workflow activation
Provision inboxes and event hooks without building custom mailbox infrastructure from scratch.
Lower operational risk
Replace manual inbox triage with deterministic routing and policy-driven automation.
Better data quality
Capture and parse inbound message context consistently before data enters core systems.
Faster implementation start
Teams can start with a free account and expand into production workflows with a clear migration path.
Ready to try this with your own workflow?
FAQ
Questions people ask before they start
Can this API process both message content and attachments?
Yes. MailSlurp captures inbound email body, metadata, and attachments so your workflows can parse and route both message and file content.
Do we need webhooks or can we poll?
Both are supported. Teams often use webhooks for real-time workflows and polling or wait methods for controlled backend and test use cases.
Is this useful outside QA testing?
Yes. Many customers use inbound pipelines for operations, logistics, onboarding, and document processing where inbound email is a primary data source.
Can this connect to AI extraction workflows?
Yes. Inbound events and attachment APIs can be connected to OCR and structured extraction processes in your automation stack.