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For Developers

W3C Verifiable Credentials Without the PhD

Issue, verify, and revoke credentials with a simple API. We handle DID resolution, proof formats, revocation lists, and selective disclosure.

Request Access API Reference

We read the specs so you don't have to

Old Way

Learn W3C VC spec (200+ pages)

New Way

Call issue()

Old Way

Implement DID resolution

New Way

Call verify()

Old Way

Build key management

New Way

We manage keys

Old Way

Handle JWT, Data Integrity, SD-JWT

New Way

One unified API

Old Way

Implement StatusList revocation

New Way

Call revoke()

Old Way

Build trust registry integration

New Way

Built-in trust anchors

Old Way

Handle selective disclosure math

New Way

specify disclose_only: []

Old Way

Keep up with spec changes

New Way

Always current

Simple, powerful methods

gem install aho-sdk · pip install aho-sdk · npm install @aho-sdk/core

Issue a credential

issue_credential.rb 
# Issue a credential to an employee
client = AhoSdk.issuer(api_key: ENV["AHO_API_KEY"])

credential = client.credentials.create(
  body: {
    schema_id: "EmployeeCredential",
    subject_identifier: "did:key:z6Mk...",
    claims: {
      employee_id: "12345",
      department: "Engineering"
    }
  }
)

Verify a credential

verify_credential.rb 
client = AhoSdk.issuer(api_key: ENV["AHO_API_KEY"])

result = client.verify.create(
  body: {
    jwt: "eyJhbGci..."
  }
)

Revoke instantly

revoke_credential.rb 
# Employee terminated. Revoke immediately.
client = AhoSdk.issuer(api_key: ENV["AHO_API_KEY"])

client.credentials.revoke(
  uuid: "cred_abc123",
  body: {
    reason: "employee_terminated"
  }
)

Selective disclosure

create_presentation.rb 
# Create a presentation with selective disclosure
client = AhoSdk.holder(api_key: ENV["AHO_API_KEY"])

presentation = client.presentations.create(
  body: {
    credential_uuid: "cred_abc123",
    disclosed_claims: ["department"]
  }
)
View full API documentation

Standards we support

One API. Every credential format.

W3C VC 2.0

Latest verifiable credentials spec

SD-JWT

Selective disclosure

StatusList 2021

Efficient revocation

mDL / ISO 18013-5

Mobile driver's license

EUDI Wallet

EU Digital Identity ready

did:web / did:key

DID resolution built-in

Open Badges 3.0

Compatible export

C2PA 2.1

Content authenticity

Issue your first credential in 60 seconds.

No credit card required. Full API access.

Request Access Read the Docs

gem install aho-sdk  ·  pip install aho-sdk  ·  npm install @aho-sdk/core