Verified user content for the platforms users trust.
Cryptographic provenance for user-generated content, delivered as a metered API. Sign at capture or upload, verify anywhere, with C2PA-compliant manifests and DID-based identity.
Platforms where trust is the product
Whether your users upload photos, videos, audio, or profile content, Cygn verifies every piece is authentic and from a real, identified source.
E-commerce marketplaces
Verify customer review photos are real, not stock or AI-generated. Detect deepfake listing images before they damage trust. Sign seller product photos to prove authenticity.
Learn more →
Food delivery & local services
Verify restaurant photos and customer-uploaded delivery confirmations. Catch image fraud at scale and protect against fake delivery claims.
Learn more →
Creator platforms
Protect verified creators against deepfake impersonation. Sign creator content at upload, viewers verify with one tap via the public verification page or browser extension.
Learn more →
Dating, social & identity platforms
Verify that user identity photos are not AI-generated or stolen from others. Reduce romance scams, impersonation, and synthetic-profile abuse.
Learn more →Three steps. Real proof.
Cygn slots into your existing capture or upload pipeline. No infrastructure rewrite, no model training.
Integrate
Add Cygn to your upload pipeline. Roughly 10 lines of code via our SDK or REST API.
Sign
Cygn cryptographically signs content with provenance metadata at capture or upload. C2PA-compliant manifests, Ed25519 DID identities.
Verify
Anyone can verify through the public verification page or our browser extension, with zero-tap verification on YouTube and other platforms.
Everything procurement already asks about.
The questions on every platform's vendor questionnaire, answered up front.
Usage-based metered pricing
Flat per-call rates. Pay only for what you use, billed monthly.
Hardware-backed key security
HSM integration with AWS KMS, Google Cloud KMS, and Azure Key Vault.
SSO & SCIM provisioning
OIDC and SAML SSO. SCIM for automated team and key management.
Custom verification domain
Verify on your own subdomain. White-label the public verification page.
SLA guarantees
99.9% uptime SLA with public status page and incident postmortems.
SOC 2, ISO 27001, GDPR
Compliance reports on request. Data residency options for regulated regions.
Cryptographic audit trails
Every API call is signed and logged. Export the audit log on demand.
Webhooks for verification events
Subscribe to sign, detect, and verify events. Retries with HMAC signing.
Industry templates
Ready presets for e-commerce, marketplace, food delivery, and social platforms.
Pay only for what you use.
Flat per-call rates. Defaults to $ USD based on your region; toggle to compare.
Free
- 1,000 API calls / month
- All 12 operations
- DID-signed outputs
- C2PA verify is always free
- No credit card required
Pay-as-you-go
- All 12 operations
- Flat per-call rates
- Free verification ops included
- Pay only for what you use
- Usage dashboards + webhooks
Enterprise
- Above 10M calls/month
- Hardware-backed key security (HSM)
- SSO + SCIM provisioning
- Custom verification domain
- 99.9% SLA, compliance reports
A few lines to signed content.
Native SDKs for TypeScript and Python. REST API in any language, including Go and Java.
import base64, os, requests
with open("photo.jpg", "rb") as f:
image_b64 = base64.b64encode(f.read()).decode()
resp = requests.post(
"https://cygn.me/api/v1/signing/c2pa",
headers={"Authorization": f"Bearer {os.environ['CYGN_LICENSE_KEY']}"},
json={"image": image_b64, "mimeType": "image/jpeg"},
)
result = resp.json()
print(result["signedAt"], result["provenance"])Ready to integrate?
Start with the docs, ship a proof of concept in an afternoon, scale when ready. Talk to us if you have a specific volume, residency, or compliance need.