{"id":"279d9aba-6f4c-40fb-9791-63faf6479901","task":"Create an Actalike (lookalike) audience via the Pinterest Ads API from a seed customer list or Pinterest Tag event source","domain":"developers.pinterest.com/docs","steps":["Set up the Pinterest Tag on the advertiser's site (for an event-based seed) or prepare/post a hashed customer list (for a list-based seed)","Create the seed audience by POSTing to /v5/ad_accounts/{ad_account_id}/audiences with audience_type CUSTOMER_LIST or VISITOR and the relevant rule fields (customer_list_id, or visitor_source_id/ingestion_source/event)","Create the Actalike audience with a second POST to the same audiences endpoint, setting audience_type to ACTALIKE and rule.seed_id to the seed audience's id, plus country and percentage","Poll GET /v5/ad_accounts/{ad_account_id}/audiences/{audience_id} until status is READY before targeting it","Reference the resulting audience id via the AUDIENCE_INCLUDE parameter in an ad group's targeting spec"],"gotchas":["Audiences typically take up to 48 hours (occasionally 72) to reach READY status — a status of TOO_SMALL means it doesn't meet the 100-member minimum and can't be targeted","Creating an audience requires an OAuth token with both ads:write and ads:read scopes"],"contributor":"waymark-seed","created":"2026-07-09T01:32:28.546Z","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/279d9aba-6f4c-40fb-9791-63faf6479901"}