1.填写stamps的账号和密码，保证余额充足

2.服务说明
ServiceType说明

值                Description
US-FC       USPS First-Class Mail
US-MM       USPS Media Mail
US-PP       USPS Parcel Post 
US-PM       USPS Priority Mail
US-XM       USPS Priority Mail Express
US-EMI      USPS Priority Mail Express International
US-PMI      USPS Priority Mail International
US-FCI      USPS First Class Mail International
US-PS             USPS Parcel Select Ground
US-LM       USPS Library Mail
DHL-PE      This feature is not available for all integrations
DHL-PG            This feature is not available for all integrations
DHL-PPE     This feature is not available for all integrations
DHL-PPG     This feature is not available for all integrations
DHL-BPME     This feature is not available for all integrations
DHL-BPMG     This feature is not available for all integrations
DHL-MPE     This feature is not available for all integrations
DHL-MPG     This feature is not available for all integrations
AS-IPA             This feature is not available for all integrations
AS-ISAL     This feature is not available for all integrations
AS-EPKT     This feature is not available for all integrations
DHL-PIPA     This feature is not available for all integrations
DHL-PISAL     This feature is not available for all integrations
GG-IPA             This feature is not available for all integrations
GG-ISAL     This feature is not available for all integrations
GG-EPKT     This feature is not available for all integrations
IBC-IPA     This feature is not available for all integrations
IBC-ISAL     This feature is not available for all integrations
IBC-EPKT     This feature is not available for all integrations
RRD-IPA     This feature is not available for all integrations
RRD-ISAL     This feature is not available for all integrations
RRD-EPKT     This feature is not available for all integrations
AS-GNRC     This feature is not available for all integrations
GG-GNRC     This feature is not available for all integrations
RRD-GNRC     This feature is not available for all integrations
SC-GPE       This feature is not available for all integrations
SC-GPP      This feature is not available for all integrations
SC-GPESS     This feature is not available for all integrations
SC-GPPSS     This feature is not available for all integrations

PackageType说明

PackageType
Value	Description
Unknown	Unknown. Do not use.
Postcard	Postcard. Enabled on request.
Letter	Letter. Enabled on request.
Large Envelope or Flat	Large envelope or flat. Has one dimension that is between 11 ½” and 15” long, 6 1/8” and 12” high, or ¼” and ¾ thick.
Thick Envelope	Thick envelope. Envelopes or flats greater than ¾” at the thickest point.
Package	Package. Longest side plus the distance around the thickest part is less than or equal to 84”
Small Flat Rate Box	USPS small flat rate box. A special 8-5/8" x 5-3/8" x 1-5/8" USPS box that clearly indicates “Small Flat Rate Box”.
Flat Rate Box	USPS medium flat rate box. A special 11” x 8 ½” x 5 ½” or 14” x 3.5” x 12” USPS box that clearly indicates “Medium Flat Rate Box”
Large Flat Rate Box	USPS large flat rate box. A special 12" x 12" x 6" USPS box that clearly indicates “Large Flat Rate Box”.
Flat Rate Envelope	USPS flat rate envelope. A special cardboard envelope provided by the USPS that clearly indicates “Flat Rate”.
Flat Rate Padded Envelope	USPS flat rate padded envelope.
Large Package	Large package. Longest side plus the distance around the thickest part is over 84” and less than or equal to 108”.
Oversized Package	Oversized package. Longest side plus the distance around the thickest part is over 108” and less than or equal to 130”.
Regional Rate Box A	USPS regional rate box A. A special 10 15/16” x 2 3/8” x 12 13/ 16” or 10” x 7” x 4 3/4” USPS box that clearly indicates “Regional Rate Box A”. 15 lbs maximum weight.
Regional Rate Box B	USPS regional rate box B. A special 14 3/8” x 2 2/8” x 15 7/8” or 12” x 10 1/4” x 5” USPS box that clearly indicates “Regional Rate Box B”. 20 lbs maximum weight.
Regional Rate Box C	USPS regional rate box C. A special 15" x 12" x 12" USPS box that clearly indicates "Regional Rate Box C". 25 lbs maximum weight.
Legal Flat Rate Envelope	USPS-supplied Priority Mail flat-rate envelope 9 1/2" x 15". Maximum weight 4 pounds.

PrintLayout说明

The value specified will determine the format of the label image that is generated by the
CreateIndicium web method
or the envelope image that is generated by the
CreateEnvelopeIndicium web method
Available options are:
Mails and Library Mails.

Normal6X4: A 6” x 4” label be generated on a 6” x 4” page.
This option only applies to Critical Mails.

Normal75X2: A 7.5” x 2” label on a 7.5” x 2” page. 
This option only applies to domestic First Class or Priority packages.

NormalReceipt: A 4” x 6” label and receipt be generated.

NormalCN22 [1]: A 4” x 6” label on 8.5” x 11” sheet with Customs Form CN 22 will be generated. 
If ZPL or EPL is chosen as image type, a combined postage and customs CN 22 form is generated in a 4” x 6” layout. 
 
 
With swsimv17 version of the interface, this layout will generate a “Combined Postage and Customs Form” to a APO/FPO or US Territory destination for the following service types: US-PM, US-FC, US-MM, US-PP/US-PS for any image type.
 
NormalCP72 [1] [3]: A 4” x 6” label on 8.5” x 11” page with Customs Form CP 72 will be generated. 
 
With swsimv14 version of the interface, this layout will generate a “Combined Postage and
Customs Form” to a APO/FPO
destination for the following service types: US-PM.
With swsimv14 version of the interface, this layout will generate
Normal or no value is specified: A 4” x 6” label will be generated. 
For Critical Mails, this option generates labels for windowed envelopes.
NormalLeft: A 4” x 6” label will be generated on the left side of the page.
NormalRight: A 4” x 6” label be generated on the right side of the page.
Normal4X6: A 4” x 6” label be generated on a 4” x 6” page.
This option only applies to Criticala “Combined Postage and Customs Form” to a APO/FPO
destination or US Territory for the following service types: US-PM,
US-FC, US-MM, US-PP/US-PS.