startups as
APIs.Directory apis.directory
on-stageviewMarketplace
For agents and developers looking for any API: the register of the API economy, organized by industry and function down to each provider’s offerings.
The economy as 53 named categories, 24,356 capabilities, and 120,771 API offerings from 33,923 listed providers: 40 NAICS-grain verticals, 13 functions.
From the Startup card at api.sb/apis.directory · Live · Dataset.
What it is
| Tier | view | Inferred · high · portfolio-lens-a.tsv (tier) | |
|---|---|---|---|
| Status | on-stage | Inferred · high · lens A stage top100 | |
| Product kind | Marketplace | Inferred · low · seed rule: lens B abstraction D-catalog; product kinds per studio CONTEXT.md (Cloud · Data · Software · Service · Commerce · Marketplace) | |
| Core noun | Capability listing | Inferred · low · seed rule: the unit noun of lens B abstraction D-catalog (portfolio-lens-b.md §1) | |
| Buyer and position | Humans browsing every graded API (flagship dir deployment) | Inferred · high · portfolio-lens-b.tsv (icp_or_position) | |
| Closed set or journey | S2 API journey · list; S6 machine-capability registry | Inferred · high · portfolio-lens-a.tsv (set_or_journey) | |
| Abstraction | D-catalog | Inferred · high · portfolio-lens-b.tsv (abstraction) | |
| Role (lens B) | discovery | Inferred · high · portfolio-lens-b.tsv (role) | |
| Registrar | porkbun | Inferred · high · holdings ledger (domains repo, read-only) |
Its stack
APIs.Directory centre
│
StartupBuilder.Dev brands
│
Startups.Management ───────── Startups.Studio the factory
╱ ╱ │ ╲ ╲
SaaS.Dev MonthEnd.Finance Objects.do Services.do Workers.do the foundation · Do.Industries
╲ ╱ ╲
Headless.ly Gigs.Accountants the abstractions
╲
SaaS.Studio the abstractions
Click any node to re-centre the stack on it; the trail above keeps the nesting. Each node's own page is one more click.
Neighbours
Same abstraction (D-catalog)
API.QAApps.AXDirectories.StudioEarn.AXMessage.AXTalk.AXAPI.AuctionAPIs.HealthcareGigs.ExchangeAgentic.ServicesAgis.DirectoryAPI.HTAPI.MtAPIs.AXApistatus.PageData.MtDatabases.DirectoryIcps.DirectoryIndustries.DirectoryPersonas.DirectoryProcesses.DirectorySaaS.MtServices.DeliverySite.MtSource.MtStartups.AXStudio.MtSubcontractors.DirectorySvcs.DirectoryTransformation.DirectoryVendors.DirectoryAX.org.aiAxp.org.aiDirectories.doDirectory.doDirectory.org.aiAPI.BingoAPI.CleaningAPI.ContractorsAPI.Equipment +109 more
Listed by
Directories.StudioAPI.QAApps.AX
Lists
API.VillasAPIs.TaxiAPIs.ClaimsAPIs.CharityAPIs.DevAPI.HoldingsAPI.EquipmentAPIs.EstateAPIs.ConstructionAPIs.AXDesking.VinAPIs.RestaurantAPI.ManagementAPIs.AccountantsReserves.ClaimsAPIs.EngineeringAPI.CleaningAPIs.SalonAPIs.MarketsAPI.CareersAPI.HospitalAPIs.FinanceAPIs.FarmAPIs.SupplyAPI.ForSaleAPI.RepairAuto.DevDealers.VinAPIs.ShopAPI.InsureAPI.HTAPI.LawyerAPI.QAVerifications.ServicesAPI.ServicesAPI.MtAPIs.MortgageBarcoding.DevHeadless.MarketingMonthEnd.FinanceAPIs.EducationAPIs.Productions
In logo rows
- StartupBuilder.Dev's row specified
- SaaSKit.AI's row specified
- APIs.Dev's row specified
- API.SB's row runs today
Slices
in no slice
Relationships (49)
| from | verb | to | provenance | |
|---|---|---|---|---|
| API.Villas | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| APIs.Taxi | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| APIs.Claims | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · low · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvbuildable [row] buildable: listed in fits api/b2b | |
| APIs.Charity | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| APIs.Dev | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today [row] listed on live apis.directory (fetched 2026-10-24) | |
| API.Holdings | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| API.Equipment | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| APIs.Estate | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| APIs.Construction | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| APIs.Directory | listed-by logo row on a catalog venue (listed by) | Directories.Studio | Inferred · medium · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvspecified [row] ax/packages/apis.directory: G4 brand instance of the G3 directory archetype (ADR 0020) | |
| APIs.AX | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today [row] listed on live apis.directory (fetched 2026-10-24) | |
| Desking.Vin | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · low · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvbuildable [row] buildable: listed in fits scan/b2b/api | |
| APIs.Directory | listed-by logo row on a catalog venue (listed by) | API.QA | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today sb def apis.directory: checked by functions/qa [medium] — api.qa holds an attested report for it (F 1/10 on 2026-09-27); apis.directory itself links none. | |
| APIs.Restaurant | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| API.Management | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today [row] listed on live apis.directory (fetched 2026-10-24) | |
| APIs.Accountants | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| Reserves.Claims | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · low · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvbuildable [row] buildable: listed in fits api/b2b/data/regulated | |
| APIs.Engineering | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| API.Cleaning | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| APIs.Salon | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| APIs.Directory | runs-on logo row: "Powering" / "Built on" (customer runs on supplier) | StartupBuilder.Dev | Inferred · medium · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvspecified sb/poc/startup-as-noun/defs/apis.directory/startup.data.mdx | |
| APIs.Markets | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| API.Careers | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| API.Hospital | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| APIs.Finance | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today [row] listed on live apis.directory (fetched 2026-10-24) | |
| APIs.Farm | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| APIs.Supply | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| API.ForSale | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| API.Repair | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| Auto.Dev | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| APIs.Directory | listed-by logo row on a catalog venue (listed by) | Apps.AX | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today [row] live apps.ax mounts it; ax/packages/apis.directory | |
| Dealers.Vin | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · low · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvbuildable [row] buildable: listed in fits scan/b2b/api | |
| APIs.Shop | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| API.Insure | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today [row] listed on live apis.directory (fetched 2026-10-24) | |
| API.HT | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today [row] listed on live apis.directory (fetched 2026-10-24) | |
| APIs.Directory | runs-on logo row: "Powering" / "Built on" (customer runs on supplier) | SaaSKit.AI | Inferred · medium · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvspecified [row] ax README: apis.directory reuses saaskit generateApp | |
| APIs.Directory | runs-on logo row: "Powering" / "Built on" (customer runs on supplier) | APIs.Dev | Inferred · medium · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvspecified [row] sb def apis.directory: built on functions/api-lifecycle [medium]; apis.dev is its preferred provider [medium] | |
| APIs.Directory | runs-on logo row: "Powering" / "Built on" (customer runs on supplier) | API.SB | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today api.sb/apis.directory answers (status Live, fetched 2026-10-24) | |
| API.Lawyer | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| API.QA | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today [row] listed on live apis.directory (fetched 2026-10-24) | |
| Verifications.Services | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · low · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvbuildable sb def verifications.services: built on apis.directory [low] — "The fan-out's offer: certified routing through apis.directory where an incumbent verification API already serves." | |
| API.Services | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| API.Mt | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · medium · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvspecified sb def api.mt: built on apis.directory [medium] — 'Stated by r5-cascade and r4-domains: the index of the portfolio''s APIs reads the register of the API economy.' | |
| APIs.Mortgage | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today [row] listed on live apis.directory (fetched 2026-10-24) | |
| Barcoding.Dev | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| Headless.Marketing | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| MonthEnd.Finance | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| APIs.Education | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) | |
| APIs.Productions | listed-by logo row on a catalog venue (listed by) | APIs.Directory | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today listed on live apis.directory (fetched 2026-10-24) |
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