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Procurement, logistics & supply chain
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EasyPost

Read and write EasyPost addresses, parcels, customs, shipments, rates, label purchases, trackers, batches, pickups and carrier accounts.

Verify addresses, rate-shop and buy labels across 100+ carriers from order flows, and stream tracking status into commerce and service tools.

Build a flow with EasyPostProvider API documentation

Source actions

15

Destination actions

6

Data types

10

Validation status

Implemented · fixture tested.

Implementation is checked against provider-shaped fixtures for every action, authentication failures, rate limits, pagination and duplicate safety. Provider sandbox and authorised account validation are recorded separately when credential-backed runs are completed.

What you can map

addresses
  • Create address
    Destination
    Not retried automatically
    Approval before production

    Create an address, optionally verifying deliverability.

    addresses.create
  • Get address
    Source

    One address by ID.

    addresses.get
  • List addresses
    Source

    Saved addresses with verification results, newest first.

    addresses.list
batches
  • Get batch
    Source

    One batch by ID.

    batches.get
  • List batches
    Source
    Incremental

    Shipment batches with state and label URL.

    batches.list
carrier accounts
  • Get carrier account
    Source

    One carrier account by ID (production key only).

    carrier_accounts.get
  • List carrier accounts
    Source

    Carrier accounts connected to EasyPost (production key only).

    carrier_accounts.list
customs infos
  • Create customs info
    Destination
    Not retried automatically
    Approval before production

    Create a customs declaration with customs items.

    customs_infos.create
  • Get customs info
    Source

    One customs declaration by ID.

    customs_infos.get
labels
  • Buy shipment label
    Destination
    Not retried automatically
    Approval before production

    Buy a rate for a shipment and generate its label. Charges postage on production keys.

    labels.create
parcels
  • Create parcel
    Destination
    Not retried automatically
    Approval before production

    Create a parcel (inches and ounces) or a carrier predefined package.

    parcels.create
  • Get parcel
    Source

    One parcel by ID.

    parcels.get
pickups
  • Get pickup
    Source

    One pickup by ID.

    pickups.get
  • List pickups
    Source
    Incremental

    Carrier pickups with status, window and confirmation.

    pickups.list
shipment rates
  • Re-rate shipment
    Source

    Regenerate rates for an unpurchased shipment. Does not buy postage.

    shipment_rates.search
shipments
  • Create shipment
    Destination
    Not retried automatically
    Approval before production

    Create a shipment and return rates. No postage is charged until labels.create buys a rate.

    shipments.create
  • Get shipment
    Source

    One shipment by ID or reference.

    shipments.get
  • List shipments
    Source
    Incremental

    Shipments with rates, labels and trackers, newest first.

    shipments.list
trackers
  • Create tracker
    Destination
    Provider duplicate protection
    Approval before production

    Track a package shipped outside EasyPost.

    trackers.create
  • Get tracker
    Source

    One tracker with its events.

    trackers.get
  • List trackers
    Source
    Incremental

    Trackers with status and events, newest first.

    trackers.list

Authentication

EasyPost API key (test or production)

Plans and access

All EasyPost accounts; postage and tracker fees are billed per use. Carrier account reads require a production key. Production keys buy real postage.

Test environment

Test API keys create test-mode shipments, labels and trackers at no charge.

Rate limits

List endpoints are limited to 5 requests per second plus a load-based limiter; HTTP 429 when exceeded (back off exponentially).

Pagination

page_size (max 100) with before_id set to the last ID while has_more is true.

Provider events

Webhooks for tracker.updated, batch.created/updated, scan_form and refund events. Nexra event triggers are not yet available; flows run on demand or on a schedule.

Before you build a flow

  • labels.create (shipment buy) is billable and has no idempotency key; Nexra never retries it. Check shipments.get for a selected_rate before retrying manually.
  • One-call buy (service on create), insurance purchase, refunds, pickup purchase, batch buy and deletes are not implemented.
  • Shipments, addresses and parcels are immutable after creation; there are no update operations.
  • carrier_accounts operations require a production API key; test keys receive HTTP 403.
  • Tracker creation is billed per tracker on production keys; EasyPost returns the existing tracker for the same tracking code and carrier within three months.
  • EasyPost documents tracking_codes as an array filter; Nexra sends one code as tracking_codes[] (Rails array encoding), which is not shown explicitly in the docs.

Developer reference

  1. Create the EasyPost credentials described above with the narrowest permissions your flows need.
  2. In Nexra, open Connect, then Connections, then New connection, choose EasyPost, enter its settings and credentials, and tick only the write actions you need. Connection guide
  3. Test the connection, then use its actions as flow sources and destinations. Flow guide
EasyPost docsAPI referenceEasyPost docsAuthenticationEasyPost docsRate limitsEasyPost docsWebhooks

Machine-readable detail: GET /api/public/connect/connectors/easypost and the Connections API.