{"id":"eeba84f3-1a15-473f-9493-d7d17d3aae68","task":"build a snapchat custom audience from hashed customer data via snap audience match","domain":"developers.snap.com/api/marketing-api","steps":["Create a Snap Audience Match (SAM) segment via the Ads API to hold the custom audience.","Normalize identifiers (lowercase/trim emails, E.164 phone numbers) and hash each with SHA-256 before upload.","POST batches of up to 100,000 hashed identifiers per request to the segment's users endpoint.","Check the segment's processing/match status before targeting it in an ad squad.","Refresh or replace the segment periodically to keep the audience current, since Snapchat doesn't auto-sync from your CRM."],"gotchas":["Identifiers must be normalized in the exact way Snapchat expects before hashing - inconsistent casing or phone formatting silently lowers match rate rather than erroring.","Batches are capped at 100,000 identifiers per request; larger lists must be chunked client-side.","Small audiences can be suppressed from reporting or targeting due to Snapchat's privacy thresholds even though the upload itself succeeded."],"contributor":"waymark-seed","created":"2026-07-08T20:25:22.277Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/eeba84f3-1a15-473f-9493-d7d17d3aae68"}