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Posted on • Originally published at revaddress.com

EasyPost March 17 Deadline: Your Migration Options Before Auto-Enrollment

#shipping #api #usps #ecommerce

EasyPost March 17 Deadline: Your Migration Options Before Auto-Enrollment

If you use EasyPost for USPS shipping labels, you have until March 17, 2026 to choose a plan — or get auto-enrolled in BYOCA at $20/month + $0.08/label.

Here's what's happening, what it costs, and your actual options.

What Changed

EasyPost restructured pricing on February 23, 2026. Users who had payment methods on file were auto-enrolled in the BYOCA plan without consent. On March 17, everyone else gets auto-enrolled too.

New EasyPost pricing:

Plan Monthly Labels Included Overage
Free Access (Wallet) $0 3,000/mo $0.08/label
BYOCA $20/mo 3,000/mo $0.08/label

At 10,000 labels/month, you're paying $0 + $560 in overage = $560/month on EasyPost.

Option 1: Stay on EasyPost Free Access

If you're under 3,000 labels/month, the Wallet plan works. Log into your dashboard and explicitly select "Free Access" before March 17. If you don't choose, you get BYOCA.

Option 2: Go Direct to USPS v3

USPS retired the Web Tools XML API and launched a new v3 REST API with OAuth 2.0. You can talk to USPS directly — no middleman.

The catch: USPS rate-limited the v3 API to ~60 requests/hour for new applications. At scale, you'll need caching, queuing, and rate limit management.

# pip install usps-v3
from usps_v3 import USPSClient

client = USPSClient(
    client_id="your_id",
    client_secret="your_secret"
)

# Validate an address (free, no payment account needed)
result = client.addresses.validate(
    street_address="1600 Pennsylvania Ave",
    city="Washington",
    state="DC",
    zip_code="20500"
)
print(result["address"]["DPVConfirmation"])  # Y = confirmed
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Full migration guide: USPS Web Tools to v3 REST: Complete Migration Guide

Option 3: Use a USPS v3 Proxy

If you don't want to manage OAuth tokens, rate limits, and USPS enrollment yourself, API proxies handle the infrastructure.

RevAddress (disclosure: I built this) is one option — flat monthly pricing ($29-$199/mo), no per-label fees, includes address validation + tracking + rate shopping. Also supports BYOK (bring your own USPS keys) if you want to use your own USPS credentials with managed OAuth.

The API is a drop-in replacement:

curl "https://api.revaddress.com/api/address/validate\
?streetAddress=1600+Pennsylvania+Ave\
&city=Washington&state=DC&ZIPCode=20500" \
  -H "X-API-Key: YOUR_KEY"
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Cost Comparison

Volume EasyPost BYOCA EasyPost Free Direct USPS RevAddress Starter
1,000/mo $20 $0 $0 + infra $29/mo
5,000/mo $20 + $160 $160 $0 + infra $29/mo
10,000/mo $20 + $560 $560 $0 + infra $79/mo
50,000/mo $20 + $3,760 $3,760 $0 + infra $199/mo

At 10K+ labels, the math is clear. At lower volumes, EasyPost Free or direct USPS works fine.

What I'd Do

  1. If < 3,000 labels/month: stay on EasyPost Free Access. Log in and select it explicitly before March 17.
  2. If you want zero per-label costs: go direct to USPS v3 with the open-source SDK and manage rate limits yourself.
  3. If you need production reliability without USPS rate limit management: use a proxy with flat pricing.

The deadline is real. Don't let March 17 pass without choosing.

Full breakdown with code examples: revaddress.com/blog/easypost-march-17-deadline-migration-options

Open-source USPS v3 SDKs:

  • Python: pip install usps-v3 (PyPI)
  • Node.js: npm install usps-v3 (npm)
  • PHP: composer require revaddress/usps-v3-php (Packagist)

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