How does lastscanned count quotas when my app or AI agent re-polls the same tracking number multiple times?

On the Pro plan ($4.99/mo for 1,000 unique tracking numbers, then $0.015 per extra unique number), quota is billed per unique (carrier, trackingNumber) pair per monthly billing period. Re-polling an already-tracked number 5 or 50 times in the same month costs $0.

Why does 17TRACK's synchronous API cost 10× more quotas than its webhook API?

17TRACK's standard gettrackinfo endpoint requires registering the number first and waiting for an async crawl. Their synchronous getRealTimeTrackInfo endpoint deducts 10 tracking quotas per call and blocks USPS (21051), DHL eCommerce US (7047), Royal Mail (11031), and Australia Post (1151).

What if my traffic is seasonal or I am running an autonomous AI agent?

You can buy a $0.50 credit pack (25 lookups that never expire) or pay $0.02 USDC per request over HTTP 402 (Stripe Machine Payments Protocol) with zero account signup.

Webhook tax vs. synchronous GET cost calculator.

Compare your real monthly tracking bill across AfterShip, 17TRACK, Ship24, EasyPost, and lastscanned—factoring in re-polls, consolidator overrides, and synchronous first-call requirements across 125 carriers.

Monthly unique shipments tracked2,500 / mo

Status checks / re-polls per shipment4× (10,000 total API calls)

Consolidator / carrier override rate (92… USPS, Cainiao, YunExpress)20%

Require synchronous live data on 1st API call?

Provider	Est. Monthly Cost	Per 1k Shipments	Architecture & Quota Notes
lastscannedLowest	$27.49/mo	$11.00	Pro ($4.99/mo + 1,500 extra unique @ $0.015 · $0 re-polls). Synchronous GET on first call, zero webhook servers required.
EasyPost	$50.00/mo	$20.00	$0.02 per tracker ($20/1,000). Missing China cross-border linehaul & regional couriers (UniUni, SpeedX, GOFO).
Ship24	$91.50/mo	$36.60	Starts at $39/mo (per-shipment) or $99/mo (per-call). No remote MCP server or HTTP 402 agent payments.
17TRACK (2026 Pricing)	$585.00/mo	$234.00	Consumes ~32,500 quotas (10× getRealTimeTrackInfo multiplier + 20% changeinfo/retrack penalty). Blocks USPS 21051 on Real-Time API.
AfterShip	$159.00/mo	$63.60	$11–$119+/mo base + $0.08/shipment overage. Async POST-then-webhook architecture returns Pending on first call.

Prefer pay-as-you-go with zero monthly subscription? Grab a $0.50 credit pack (25 lookups, never expires) or pay $0.02 USDC per lookup autonomously over Stripe MPP (HTTP 402).

Start free (5 lookups/day)Read full pricing breakdown →

API pricing & quota FAQ

How does lastscanned count quotas when my app or AI agent re-polls the same tracking number multiple times?: On the Pro plan ($4.99/mo for 1,000 unique tracking numbers, then $0.015 per extra unique number), quota is billed per unique (carrier, trackingNumber) pair per monthly billing period. Re-polling an already-tracked number 5 or 50 times in the same month costs $0.
Why does 17TRACK's synchronous API cost 10× more quotas than its webhook API?: 17TRACK's standard gettrackinfo endpoint requires registering the number first and waiting for an async crawl. Their synchronous getRealTimeTrackInfo endpoint deducts 10 tracking quotas per call and blocks USPS (21051), DHL eCommerce US (7047), Royal Mail (11031), and Australia Post (1151).
What if my traffic is seasonal or I am running an autonomous AI agent?: You can buy a $0.50 credit pack (25 lookups that never expire) or pay $0.02 USDC per request over HTTP 402 (Stripe Machine Payments Protocol) with zero account signup.

Webhook tax vs. synchronous GET cost calculator.

API pricing & quota FAQ

All 125 carriers included on every plan

Major carriers

Regional and last mile

International posts and couriers

Cross-border