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API ReferenceMember Tiers

Assign Member Tier

Assigns a member tier to a member.

Example curl:

curl --request POST '{{base_url}}/sp/member-tiers/assign' \
  --header 'Authorization: Bearer {{access_token}}' \
  --header 'Content-Type: application/json' \
  --data-raw '{
    "idempotency_key": "{{$timestamp}}-tier-assign",
    "contact_id": {{contact_id}},
    "tier_id": {{tier_id}},
    "start_date": "2026-04-06",
    "expiry_date": "2027-04-06"
  }'

Example success response shape:

{
  "success": true,
  "message": "Member tier assigned successfully.",
  "data": {
    "contact_id": 456,
    "tier_id": 1,
    "assigned": true,
    "expiry_date": "2027-04-06"
  },
  "meta": {}
}

Example error response shape:

{
  "success": false,
  "message": "The same idempotency_key cannot be reused with a different payload.",
  "error": {
    "code": "idempotency_key_reused_with_different_payload",
    "details": {}
  }
}

Common platform errors:

  • idempotency_key_required
  • member_not_found
  • sp_scope_not_granted
  • sp_token_scope_missing
  • legacy_field_not_allowed
  • query_parameters_not_allowed
  • invalid_content_type

Authentication

AuthorizationBearer

Bearer authentication of the form Bearer <token>, where token is your auth token.

Headers

AuthorizationstringOptional

Response

200 OK Example
successbooleanOptional
messagestringOptional
dataobjectOptional
metaobjectOptional