Set up or change the programme
/v1/projects/{project}/referral-program in the Referral Program API.
curl -X PUT https://api.subscriby.net/v1/projects/7f3d1c92-8b45-4e6a-9d21-5c8e0a4b6f13/referral-program \ -H "Authorization: Bearer sbt_..." \ -H "Idempotency-Key: $(uuidgen)" \ -H "Content-Type: application/json" \ -d '{ "reward_kind": "cash", "commission_type": "percentage", "commission_value": 20, "commission_period_months": 6, "hold_days": 14, "friend_reward_kind": "free_days", "friend_reward_days": 3, "payout_details_label": "PayPal email", "terms": "One referral per household." }'The first PUT creates the programme and answers 201; every later PUT changes only the fields it carries and answers 200. Omitting a field keeps its stored value; a first save without reward_kind is a free-days programme, and without friend_reward_kind gives friends nothing.
Changing the terms is not retroactive, and the affiliates are told. Rewards already in the ledger keep their figures. Every approved or pending affiliate receives the new terms in their chat and by mail when a field they were promised moves: the reward, the commission, the hold, the friend's reward or your own terms text. Who may join, the payout label and the minimum payout are your side and send nothing.
Requires ability
The token must hold this ability, or the call is refused with 403.
Fires one event
Delivered to every endpoint subscribed to it once the change is made.
MCP tool
Runs the same action from an agent, behind the same ability.
Idempotent
Send the header on every call; the same key replays the original response for 24 hours.
Authorization
bearerToken A personal access token minted on the dashboard under Settings, then Tokens, sent as Authorization: Bearer sbt_live_…. The token carries the abilities each endpoint lists under Requires ability and is frozen to one team.
In: header
Path Parameters
The project, resolved by the route binder.
uuidHeader Parameters
A key unique to this operation, such as a fresh UUID. The same key replays the original 2xx response for 24 hours (with Idempotent-Replay: true), so a retry after a timeout never repeats the write; the same key with a different body is refused with 409.
uuidRequest body
JSONWhat the request carriesOptionalapplication/json
The Referral Program settings: what referrers earn, what their friends receive, who may join and which plans count. The first PUT creates the programme; every later PUT changes only the fields it carries.
Responses
200OKapplication/json
The programme as written: 201 when this call created it, 200 after.
400Bad requestIDEMPOTENCY_KEY_MISSINGapplication/json
Every write needs an Idempotency-Key header. Send a fresh UUID per distinct operation.
401UnauthorizedAUTHENTICATION_REQUIREDapplication/json
The request carries no bearer token, or one that is revoked, malformed, or minted for another environment (an sbt_test_ token on production).
403ForbiddenTOKEN_MISSING_ABILITYapplication/json
The token is valid but does not carry the ability this endpoint requires; error.context.required_ability names the one to grant. An endpoint that also checks who owns a row or which tier the account is on answers FORBIDDEN, TEAM_TIER_REQUIRED or CONNECTOR_TIER_REQUIRED with the same status, and says so in its own description.
On this endpoint: TEAM_TIER_REQUIRED: when the creator has neither the Referral Program Addon nor a Growth plan.
404Not foundRESOURCE_NOT_FOUNDapplication/json
An id in the path names nothing the token can see. TENANT_MISMATCH: the project sits outside the token's scope:project: allow-list, or the token carries no team scope. Both answer 404 rather than 403 so that existence outside the token's scope cannot be inferred.
409ConflictIDEMPOTENCY_KEY_REUSEDapplication/json
The key was already used in the last 24 hours with a different request body.
422Validation failedVALIDATION_FAILEDapplication/json
The payload broke a rule, and error.fields maps each offending key to its messages. A refusal from the domain, such as a plan that cannot go on sale or a member who cannot be removed, uses the same code with error.message saying why and no fields.
On this endpoint: VALIDATION_FAILED: when a field is invalid, or the shape does not add up: a free-days reward without days, a cash commission without a type and a rate, a fixed commission without a currency, a percentage above 100, a friend coupon that is not one of the project's codes, or a friend coupon on a project whose plan has no coupon codes.
425Too earlyIDEMPOTENCY_REPLAY_IN_PROGRESSapplication/json
The first request with this key is still running; retry in a few seconds and the original response is replayed.
429Too many requestsRATE_LIMITEDapplication/json
The token has spent its 300 requests a minute or 10,000 an hour; Retry-After says when the next one is accepted.
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