The 'payto' URI scheme for payments
draft-dold-payto-10
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Active Internet-Draft (individual)
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Florian Dold
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Christian Grothoff
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2020-01-28
(latest revision 2019-12-17)
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ISE
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Informational
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Adrian Farrel
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Independent Stream F. Dold
Internet-Draft Taler Systems SA
Intended status: Informational C. Grothoff
Expires: June 19, 2020 BFH
December 17, 2019
The 'payto' URI scheme for payments
draft-dold-payto-10
Abstract
This document defines the 'payto' Uniform Resource Identifier (URI)
scheme for designating targets for payments.
A unified URI scheme for all payment target types allows applications
to offer user interactions with URIs that represent payment targets,
simplifying the introduction of new payment systems and applications.
Status of This Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress."
This Internet-Draft will expire on June 19, 2020.
Copyright Notice
Copyright (c) 2019 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents
(https://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of
Dold & Grothoff Expires June 19, 2020 [Page 1]
Internet-Draft The 'payto' URI scheme December 2019
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
1.1. Objective . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2. Requirements Language . . . . . . . . . . . . . . . . . . 3
2. Syntax of a 'payto' URI . . . . . . . . . . . . . . . . . . . 3
3. Semantics . . . . . . . . . . . . . . . . . . . . . . . . . . 3
4. Examples . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5. Generic Options . . . . . . . . . . . . . . . . . . . . . . . 4
6. Internationalization and Character Encoding . . . . . . . . . 5
7. Tracking Payment Target Types . . . . . . . . . . . . . . . . 5
7.1. ACH Bank Account . . . . . . . . . . . . . . . . . . . . 6
7.2. Business Identifier Code . . . . . . . . . . . . . . . . 6
7.3. International Bank Account Number . . . . . . . . . . . . 7
7.4. Unified Payments Interface . . . . . . . . . . . . . . . 7
7.5. Bitcoin Address . . . . . . . . . . . . . . . . . . . . . 7
7.6. Interledger Protocol Address . . . . . . . . . . . . . . 8
7.7. Void Payment Target . . . . . . . . . . . . . . . . . . . 8
8. Security Considerations . . . . . . . . . . . . . . . . . . . 8
9. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 9
9.1. URI Scheme Registration . . . . . . . . . . . . . . . . . 9
9.2. Payment Target Type Registry . . . . . . . . . . . . . . 9
10. References . . . . . . . . . . . . . . . . . . . . . . . . . 10
10.1. Normative References . . . . . . . . . . . . . . . . . . 10
10.2. Informational References . . . . . . . . . . . . . . . . 10
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 11
1. Introduction
This document defines the 'payto' Uniform Resource Identifier (URI)
[RFC3986] scheme for designating transfer form data for payments.
1.1. Objective
A 'payto' URI always identifies the target of a payment. A 'payto'
URI consists of a payment target type, a target identifier and
optional parameters such as an amount or a payment reference.
The interpretation of the target identifier is defined by the payment
target type, and typically represents either a bank account or an
(unsettled) transaction.
A unified URI scheme for all payment target types allows applications
to offer user interactions with URIs that represent payment targets,
simplifying the introduction of new payment systems and applications.
Dold & Grothoff Expires June 19, 2020 [Page 2]
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