Signal infrastructure for publishers, platforms, and buyers.
Publishers. SSPs. DSPs. Agencies. One infrastructure stack.
GrowthCode is a suite of infrastructure — APIs and on-page scripts — that captures first-party signals, resolves identity, and activates these signals in the bidstream. Same infrastructure. Different activation.
Graph: Your signal spine.
Your signals are what buyers are looking for. GrowthCode captures permitted first-party signals — HEMs, MAIDs, IP-derived identifiers, contextual data — and resolves them into a persistent, structured signal graph that you own and control.
Programmable signal rails.
Route the right signal to every buyer, every request.
Signal Rail does two things. For users your demand partners already recognize, it maps existing buyer IDs to their preferred EID currencies and routes the right signal to each buyer. For users they don't recognize, it attempts to mint the associated EIDs in real time — passing them immediately in the bid request when possible, storing and returning them the next time that SSP sees that user when not. The result is continuous improvement in match rates and bid density across your full supply, including inventory that was previously dark to buyers.
Mint your own signal currency at the source.
Identity Rail mints a proprietary ID directly on publisher pages via on-page script and routes it back through the SSP in the bid request. Your models match against that ID in a cleanroom. You get your own signal currency in the bidstream — without paying intermediaries to move your data there.
Visibility into your signal quality.
GrowthCode provides the analytics to see how your signals are performing across the supply chain — mint rates, match rates, EID coverage, CPM contribution by signal type, and supply coverage within your footprint.
Built for scale. Hardened for security.
GDPR compliant
Built on privacy-first principles. You control your data and your signals. GrowthCode operates the infrastructure.
99.99% uptime
High-availability infrastructure. Signal capture and routing happen at the page level, with latency under 10ms.
Built for automated buying
Buyer-side AI agents evaluate signals at machine speed. GrowthCode structures your signal data so it's complete, consistent, and compatible with automated bidding environments.
Frequently asked questions.
How GrowthCode handles your data, enforces privacy, and keeps publishers in full control.
- Short, enforced data retention windows
- Real-time consent enforcement
- Deterministic ID integrations with strict minting controls
- Publisher-level data isolation with optional network participation
- Full control over deals, integrations, and activation
- Identity and signal data is retained for up to 90 days unless refreshed
- Data automatically expires if not refreshed
- Log-level auction data is stored per publisher for up to one year
- All data is deleted upon contract termination
- Retention settings are configurable and automated deletion is built in
- Supports access, deletion, correction, portability, and suppression
- Processes requests under publisher instruction
- Performs automated lookup and deletion across stored data
- Confirms completion within required timelines
- Acts strictly as a data processor
- Publishers remain the data controllers
- Reads and enforces TCF and GPP signals
- Blocks ID minting where consent is required but missing
- Does not process children's, health, or political data
- Publishers can operate in a fully isolated environment
- Network participation is opt-in
- Broader signal access requires contribution
- User-level data is never exposed externally
- Auction log data is not commingled across publishers
- Encryption in transit and at rest
- Role-based access controls
- Per-publisher data isolation
- Automated retention and deletion enforcement
- Infrastructure hosted with SOC 2 and ISO-compliant partners
- Opt out of curated deals
- Opt out of audience extension
- Disable specific ID integrations
- Restrict activation to approved SSPs
- Maintain visibility into publisher-level activity
When you own your signal in the Open Web, you control your fate.
Publishers, SSPs, DSPs, and agencies use GrowthCode to deploy their own signal strategy across display, mobile, and CTV — without building the underlying infrastructure themselves.