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EDI 855 Purchase Order Acknowledgement

EDI 855 transaction set for prompt insight into supplier’s commitment to fulfill an order.


EDI 855 Purchase Order Acknowledgment Transaction Set

EDI 855 is an electronic version of a fax or phone call to confirm a purchase order a supplier is ready to fulfill as per the request.

The EDI 855 Purchase Order Acknowledgement, also known as EDIFACT ORDRSP and X12 855 is an EDI transaction set sent by the seller or supplier in response to EDI 850 Purchase Order. Along with confirming a new order, it also communicates receipt or rejection of an order to the buyer along with the changes or errors in it. EDI 855 document is often used by large retailers or distributors and must be shared within a specified timeframe, following a particular workflow to ensure compliance. It consists of line time details, including the accuracy of the order and the supplier’s ability to meet the requirements. EDI 855 follows the X12 format established by the American National Standards Institute (ANSI), a not-for-profit organization that regulates EDI formats in the U.S.

EDI 855 Components

EDI 855 contains all the significant information regarding the purchase order along with other details.

  • Purchase Order number and data
  • Product information
  • Expected delivery date and details
  • Seller’s vendor number
  • Carrier and service levels
  • Expected charges and/or allowances
  • Issues, errors, or changes that need to be addressed, such as price discrepancies, delivery date changes, inaccurate product identifiers, discontinued items, inventory out-of-stock, back-ordered, or canceled quantities.

EDI ANSI X12 855 benefits

Electronic trading using purchase order acknowledgment can benefit both purchasers and suppliers.


One of the key advantages of EDI is data security and protection. EDI 855 documents, like all other EDI transactions, are encrypted in transit. This provides the utmost security to buyer and seller details than any other communication method.

Quick Alerts

It sends instant confirmation of e-commerce order details for end-users or consumers. Also, buyers get a quick alert with an EDI 855 regarding any issue in order. Hence, they can take action and prevent later problems with invoicing, supply, and payments.


EDI 855 Purchase Order Acknowledgment also contributes to increased efficiency by eliminating the need to confirm new orders to customers via email, fax, or phone call. It also provides timely and automated visibility into seller’s or supplier’s commitment.


EDI intends to offer automation to manual processes and EDI 855 also offers the same. Its automated nature helps businesses to reduce errors and discrepancies mainly caused due to human intervention, manual retyping, and customer service touchpoints.

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