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The automated signature process is unprecedentedly useful for organisations that want to send or retain documents, while ensuring legal compliance, and take advantage of the many benefits of replacing handwritten signatures with electronic signatures. This automation makes it possible to close business processes faster than ever before and increases the efficiency and control of organizations over their documents.
The signature API1 of ANF Certification Authority allows a complete adaptation to the needs and scenarios proposed by our clients, allowing the installation in secure environments or client infrastructures, without the need for document output or sensitive files. Even without the documentation to be signed leaving the client's secure environment.
Our APIs enable the integration of Qualified Trust Services into automated processes and third party software.
It allows IT departments to incorporate advanced electronic signature and qualified electronic signature processes in any type of scenario and environment, with full interoperability in the European Union. We guarantee 100% interoperability in eIDAS qualified validation platforms.
Signature Attributes
This cryptographic component incorporates the communications protocol necessary to establish secure transactions with ANF AC's Time Stamp Units and OCSP2 Responders. All our electronic signatures and seals include online status verification (OCSP), and qualified electronic time stamps. These attributes are incorporated into the signature/seal according to the reference standards: TimeStamp RFC 3161 and OCSP RFC 6960.
ANF AC is one of the few PCSCs that is qualified to issue qualified reports of validation signature and electronic seals.
The ANF AC Signature API has the capacity to incorporate an identifier of a determined Signature Policy.
The timestamp, the OCSP responses and the ANF AC signature policy have been audited in accordance with eIDAS.
Everything you need, in one place:
ANF AC is not only a Certification Authority that issues eIDAS certificates, we are manufacturers of all PKI3 products and solutions. We have a highly specialized engineering team, experts in regulatory compliance and legal area with expert knowledge in legal informatics.
ANF AC makes it easy for you:
- Adaptable and scalable electronic signature, for any type of document or transaction guaranteeing its integrity and authenticity.
- Our high-level API allows you to integrate the service into your own applications. Without altering the user experience or including new manual events.
- All the benefits of a PKI infrastructure from a Qualified Provider with no investment, development or audit costs.
Would you like us to accompany you in the automation and digitisation of your company? Here are some of our API-enabled products:
- eBurofax: Qualified Certified Electronic Delivery
- Electronic signature
- Legal Snap Scan: Certified digitalisation platform (Accredited by AEAT).
- Remote Contract Signing: Qualified signature on your contracts and documents.
- Credentials Platform: Centralised management and control of qualified electronic signature certificates for authentication and identification on your platforms.
For more information about the ANF AC Signature API: API Signature | ANF AC
1 Application Programming Interface. It is a component that incorporates a set of commands, functions and computer protocols that allow you to incorporate specific functionalities into your programs.
2 Protocol for checking the status of an Online Certificate.
3 Public Key Infraestructure

