Parcels App · Rate Limits

Parcelsapp Rate Limits

Parcels App does not publish numeric per-second or per-minute request rate limits for the Parcels API v3. The operative limit is the monthly quota of unique tracking numbers (shipments) attached to your plan - 300, 500, or 1,000 per month on the published tiers - which GET /account reports as plan, limit, current, and resetDate. Because tracking is asynchronous, the documentation instructs clients to poll GET /shipments/tracking "every few seconds" by UUID until done is true, or to avoid polling entirely by supplying a webhookUrl. Repeated requests for an already-tracked number are served from cache and do not consume additional unique-shipment quota; only new unique tracking numbers count toward the monthly limit.

Parcelsapp Rate Limits is the machine-readable rate-limit profile for Parcels App on the APIs.io network, in the API Commons Rate Limits shape.

It captures 4 rate-limit definitions, measuring requests and shipments.

An exhausted limit returns HTTP not documented (business errors returned as JSON error fields).

This profile was written by API Evangelist and has not been verified against a page the provider published; treat every limit as unconfirmed until a dated transcription replaces it.

The profile also includes 3 backoff/retry policies defined and response codes documented for throttled.

Tagged areas include Parcel Tracking, Shipment Status, Package Tracking, Rate Limiting, and Quotas.

4 Limits Exhausted: HTTP not documented (business errors returned as JSON error fields)
Method: generated, dated 2026-07-11.
Written by API Evangelist on 2026-07-11 and not verified against a page the provider published. Treat every limit as unconfirmed until a dated transcription replaces it.
View Source
Parcel TrackingShipment StatusPackage TrackingRate LimitingQuotas

Limits

API Request Rate account
requests
not published
No fixed numeric request-per-second or per-minute limit is documented.
Unique Tracking Numbers account
shipments
per plan (300 / 500 / 1000 per month on published tiers)
Each distinct tracking number added counts once toward the monthly plan limit; the counter and resetDate are exposed via GET /account.
Polling Cadence tracking request
requests
guidance - poll every few seconds
Documentation says to poll GET /shipments/tracking by UUID every few seconds until done is true, or use webhooks instead.
Tracking Request Batch Size request
shipments
not published
POST /shipments/tracking accepts an array of shipments (minItems 1); no documented maximum batch size.

Policies

Cached Results
Already-tracked shipments are returned immediately from cache (fromCache true), reducing both polling and quota pressure for repeat lookups.
Webhooks Over Polling
Supplying a webhookUrl shifts delivery to shipment_completed and batch_completed callbacks, eliminating the polling loop; failed webhook deliveries (timeouts, 4xx/5xx) may be retried.
Backoff Strategy
Clients should keep the documented few-second polling cadence, back off on pending (done false) responses, and stop polling a UUID once done is true or NO_REQUEST_FOUND is returned.

Sources

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