Callsign makes digital identity seamless and secure, helping organizations build digital trust and accountability into every online transaction. Callsign uniquely identifies people across every digital interaction, journey and channel, protecting against threats such as account takeover and online scams.
The first true representation of identity online, Callsign identifies users by their unique characteristics. Our proprietary technology uses fraud models to detect bad actors combined with the highest-fidelity AI models to build a digital DNA profile for each user, emulating how people identify each other in the real world - letting people get on with their digital life.
This includes using behaviour biometrics, device fingerprinting, location intelligence and threat detection to identity users and detect risk of fraud. We also provide a wide variety of multi-factor authentication options, including mobile push notification and confirmation, OATH OCRA OTP, PIN, on-device biometrics, etc. All this is tied together through our no-code orchestration engine.
Callsign provides the Callsign admin interface and web portal in English. It supports any language for end-user facing interaction.
If you have any questions or need custom pricing, contact us at sales@callsign.com
Highlights
Callsign's solution provides the following security and authentication methods:
* Callsign One - passive web authentication
* Account Takeover protection
* APP (scam) protection
* New account opening protection
* Mobile authentication
* No-code orchestration
The Callsign solution delivers:
* Reduced fraud
* Greater operational efficiencies
* Cost reduction
* Improved user experience
AWS Marketplace now accepts line of credit payments through the PNC Vendor Finance program. This program is available to select AWS customers in the US, excluding NV, NC, ND, TN, & VT.
Pricing is based on the duration and terms of your contract with the vendor. This entitles you to a specified quantity of use for the contract duration. If you choose not to renew or replace your contract before it ends, access to these entitlements will expire.
Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator to estimate your infrastructure costs.
This contract listing has one pricing dimension: Callsign One (Units) for passive web authentication. You buy in units under a fixed contract, so cost scales with the number of units you commit to. There are no separate tiers or instance sizes to choose between. Callsign One delivers passive, SCA-compliant authentication through a single SDK integration, using device, location, and behavioral signals to verify genuine users. Pricing stays at a fixed rate as you scale your digital presence, letting you plan spend against the committed unit volume.
Top-of-mind questions for buyers
What counts as one unit of Callsign One for billing?
A unit measures passive web authentication activity handled through the platform. Your cost scales with the number of units you commit to under the contract. The pricing table defines the unit rate; the vendor can confirm exactly how authentication events map to units for your deployment.
How does authentication work under this contract, and what integration is needed?
Callsign One uses passive, SCA-compliant authentication through a single SDK integration. It verifies genuine users with device, location, and behavioral signals, reducing friction like lost one-time passcodes. You integrate the SDK into your web journeys; no professional services expertise is required to manage policy changes.
Does my cost change if authentication volume grows during traffic spikes?
Cost is tied to the unit volume you commit to under the fixed contract, not to short-term spikes. The platform scales horizontally and vertically to handle peaks like Black Friday. If your committed unit volume needs to change, contact the vendor to adjust your contract.
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