B033 · product layer · sell stage

Subscription billing

Maintain plans, subscription state, invoices and billing lifecycle.

3User surfaces

1Capability families

3Source edges

3Composition recipes

Claim ceilingThis is a source-backed decomposition record. It is not a packaged, booted, host-mounted, qualified or admitted block.task-graph/block-hub/block-register.json#B033

Surfaces and ownership outcome

User-facing surfaces

subscription detail
invoice history
billing portal

Capability family joins

U16 · Subscription and usage billing

Recorded source candidates

The source edges below preserve the canonical register ordering and discovery verdict. They are candidate evidence, not runtime proof.

getlago/lago ↗SRC-0055

Current research verdict: deeper evidence candidate. Priority score 23.

Source-registry discovery evidence · NOT_QUALIFIED · NOT_ADMITTED

killbill/killbill ↗SRC-0057

Current research verdict: deeper evidence candidate. Priority score 23.

Source-registry discovery evidence · NOT_QUALIFIED · NOT_ADMITTED

openmeterio/openmeter ↗SRC-0166

Current research verdict: discovery candidate. Priority score 1.

Source-registry discovery evidence · NOT_QUALIFIED · NOT_ADMITTED

Inspect 3 canonical source edges

Rank	Source ID	Repository	Verdict	Priority
1	SRC-0055	getlago/lago	deeper evidence candidate	23
2	SRC-0057	killbill/killbill	deeper evidence candidate	23
3	SRC-0166	openmeterio/openmeter	discovery candidate	1

Composition relationships

45 blocks

SaaS OS

Digital product acquisition, subscription access, activation, operations, support and retention.

Blocks in this recipe

B001 B002 B003 B004 B005 B006 B007 B008 B009 B010 B011 B012 B013 B014 B015 B016 B017 B018 B019 B020 B021 B022 B023 B024 B025 B026 B027 B028 B029 B030 B031 B032 B033 B034 B035 B036 B037 B038 B039 B040 B041 B042 B043 B044 B077

48 blocks

Marketing Agency OS

Client acquisition, briefs, production, approval, publishing, reporting and retainer economics.

Blocks in this recipe

B001 B002 B003 B004 B005 B006 B007 B008 B009 B010 B011 B012 B013 B014 B015 B016 B017 B018 B019 B020 B021 B022 B023 B024 B025 B026 B027 B028 B029 B030 B031 B032 B033 B037 B038 B040 B058 B059 B060 B061 B062 B063 B064 B065 B066 B067 B068 B069

50 blocks

Course Creator OS

Audience acquisition, paid access, learning delivery, community, progress and retention.

Blocks in this recipe

Associated research and next paths

Sources: task-graph/block-hub/block-register.json · task-graph/block-hub/block-source-edges.jsonl · task-graph/block-hub/composition-recipes.json