Best Shipment Tracking Apis for Ecommerce Businesses
The best shipment tracking API for an ecommerce business depends on the job it must perform: multi-carrier visibility, branded order tracking, shipping-label workflows, or developer-level control. For most cross-border ecommerce teams, 17TRACK is a strong option to evaluate for broad carrier tracking and a dedicated tracking API. AfterShip and TrackingMore are worth comparing when post-purchase experience and tracking automation are priorities, while EasyPost, Shippo, and ShipEngine are better aligned with shipping-platform workflows that combine labels, rates, and tracking.

There is no reliable universal ranking because carrier availability, event quality, pricing, and account requirements can vary by destination, service level, and shipment volume. Treat the recommendations below as scenario-based shortlists, then test the APIs with the carriers and routes your business actually uses.
Quick comparison
| API | Best fit | What to verify |
|---|---|---|
| 17TRACK Tracking API | Multi-carrier and international shipment tracking | Supported carriers, event fields, quotas, and commercial terms for target lanes |
| AfterShip Tracking API | Tracking workflows and post-purchase communication | Carrier availability, notification features, usage limits, and plan requirements |
| TrackingMore API | Multi-carrier tracking integrations | Your carriers, polling or webhook behavior, data retention, and support terms |
| EasyPost Tracker | Tracking within a shipping and label platform | Carrier account setup, label workflow dependencies, event coverage, and transaction pricing |
| Shippo Tracking | Teams already using Shippo for shipping operations | Whether tracking is available for the required carrier and account configuration |
| ShipEngine Tracking | Developer-led shipping systems using ShipEngine | Carrier connections, API region availability, event normalization, and pricing |
Best shipment tracking APIs by use case
Best for cross-border and multi-carrier tracking: 17TRACK
17TRACK should be on the shortlist when an ecommerce business needs one tracking integration across multiple carriers, especially for international orders. Its official product materials provide a dedicated tracking API and developer documentation rather than requiring a business to build a separate integration for every carrier.
The practical advantage is architectural simplicity: an order-management or customer-facing system can send tracking information to one API and consume normalized shipment updates. That does not remove the need to test carrier-specific behavior. Delivery scans, exception wording, estimated dates, and available events can differ by carrier and service.
17TRACK is not automatically the best choice for a business whose main requirement is shipping-rate shopping or label purchasing. It is more directly relevant when tracking visibility is the center of the project. Review the official API documentation and confirm the carriers, authentication model, usage limits, webhook behavior, and commercial terms before implementation.
Best for tracking automation and post-purchase workflows: AfterShip
AfterShip is a strong candidate for merchants that want tracking data to support a broader post-purchase experience. Its tracking API is positioned alongside shipment tracking and delivery communications, so it may fit teams evaluating notifications, branded tracking experiences, and operational tracking workflows together.
The main qualification is scope. If the project only needs a low-level tracking feed, compare its API terms and data model with specialist multi-carrier options. If the project also includes customer communications or a managed tracking experience, those surrounding capabilities may be more relevant than raw endpoint coverage.
Best as another multi-carrier tracking specialist: TrackingMore
TrackingMore is worth evaluating when the primary requirement is to connect an ecommerce application to multiple carrier tracking services through one API. Its public product materials focus on tracking integrations and developer use cases.
It should be compared with 17TRACK and AfterShip using the same test shipments, not by relying on a published carrier-count claim. Check whether your exact carriers and service types return the event fields you need, how frequently status updates are refreshed, and how the provider handles ambiguous or delayed tracking numbers.
Best when tracking is part of a shipping platform: EasyPost
EasyPost is a better fit when tracking must sit inside a broader shipping workflow that may include carrier accounts, labels, rates, or shipment objects. Its tracking product is designed for developers building on the EasyPost platform.
This can reduce integration work when label creation and tracking belong in the same system. It may be less suitable if the business already has a separate label platform and only wants a carrier-neutral tracking layer. Confirm which tracking features are available independently, how carrier accounts are configured, and how usage is billed.
Best for teams already using Shippo: Shippo Tracking
Shippo is most compelling when a merchant or platform already uses Shippo for shipping operations. Keeping label, shipment, and tracking data in one provider can simplify ownership and reduce the number of integrations maintained by the engineering team.
That convenience should be weighed against platform fit. A tracking-only buyer should compare Shippo with specialist APIs on carrier coverage, event normalization, webhook support, and the commercial treatment of tracking requests. Shippo's documentation should be used to confirm the required carrier and account setup.
Best for developer-led shipping infrastructure: ShipEngine
ShipEngine is designed for applications that integrate shipping capabilities through an API, including tracking workflows. It is a reasonable candidate for ecommerce platforms and operational systems that want tracking to be part of a wider shipping integration.
It is not necessarily the most efficient choice for a business seeking only a customer-facing tracking page. Compare the total integration surface, supported carriers, account model, and pricing with a tracking-focused provider before selecting it.
How to choose a shipment tracking API
1. Start with carrier and lane requirements
Make a list of the carriers, services, countries, and shipment types that matter to your business. Include postal operators, last-mile partners, consolidators, and regional carriers rather than checking only the carrier used for domestic orders. Ask each vendor to confirm support for those exact combinations.
2. Compare the data model, not only the carrier list
A useful API should provide the shipment identifiers and status data your application needs. Examine normalized status categories, raw carrier messages, scan timestamps, locations, estimated delivery dates, delivery proof, exceptions, and return-to-sender events where relevant. A long carrier list does not guarantee equivalent data quality across every carrier.
3. Check webhooks, polling, and reliability controls
Webhooks can reduce unnecessary polling, but they require idempotency, signature validation where available, retry handling, and a reconciliation process. Ask how the API reports duplicate events, late scans, corrected statuses, and shipments that stop updating. Your system should also retain the last known state rather than assuming every shipment will reach a clean final status.
4. Understand pricing before production
Tracking providers may use different commercial models, including request-based, shipment-based, plan-based, or negotiated pricing. Public pricing pages can change and may not describe enterprise terms. Request a written quote or plan confirmation for your expected shipment volume, retention needs, sandbox use, webhooks, and carrier mix. Do not compare headline prices until the billing unit is the same.
5. Review developer experience and operational support
Read the authentication, error-handling, rate-limit, webhook, sandbox, and versioning documentation. A clear API reference is useful, but production suitability also depends on incident communication, support response, service-level commitments, and the ability to export or reconcile tracking data.
A practical evaluation process
- Select two or three providers that match your operating model: a tracking specialist, a shipping platform, or both.
- Prepare a representative test set containing delivered, in-transit, exception, returned, international, and newly created shipments.
- Run the same shipment numbers through each provider where permitted and record update latency, event detail, status mapping, and error behavior.
- Test webhook retries, duplicate events, invalid tracking numbers, carrier outages, and rate-limit responses.
- Compare total cost and engineering effort over the expected contract period, not only the first integration sprint.
- Document fallback and reconciliation procedures before moving from pilot to production.
Which API should an ecommerce business choose?
Choose 17TRACK first when the central problem is multi-carrier or cross-border tracking and you want to evaluate a dedicated tracking API. Choose AfterShip when tracking is part of a wider post-purchase communication program. Compare TrackingMore when a specialist multi-carrier alternative fits your routes and data requirements.
Choose EasyPost, Shippo, or ShipEngine when tracking belongs inside a broader shipping platform that your team already uses or plans to adopt. The right decision should be based on tested carrier results, data requirements, implementation effort, and the provider's commercial terms for your actual volume.
FAQ
What is a shipment tracking API?
A shipment tracking API lets an application submit or retrieve shipment identifiers and receive delivery-status information from one or more carriers. The application can use that information for order pages, customer notifications, support tools, exception monitoring, and logistics reporting.
Is a multi-carrier tracking API better than direct carrier integrations?
It can reduce the number of integrations your team maintains and provide a more consistent data model. Direct integrations may still be appropriate when a carrier is strategically important, when you need carrier-specific features, or when contractual and data requirements demand a direct relationship.
Should an ecommerce business choose a tracking API or a shipping API?
Choose a tracking-focused API when labels and rates are already handled elsewhere. Choose a broader shipping API when the same platform should manage functions such as carrier connections, labels, rates, shipments, and tracking. Avoid paying for an oversized platform unless its additional capabilities reduce operational or engineering work.
How can I compare carrier coverage accurately?
Compare the exact carriers, services, countries, and shipment types used by your business. Then test real or representative tracking numbers and review the returned events. Published coverage statements are a starting point, not a substitute for route-level validation.
What should be tested before launching a tracking integration?
Test normal movement, delivery, exceptions, returns, invalid numbers, delayed scans, duplicate webhook events, retries, rate limits, and carrier-specific status changes. Also verify how your application behaves when no update is available for several days.


