Pagination
13 distinct extensions were invented to do this job. Each one is a provider deciding OpenAPI would not carry something and building their own way through. Where a job has many names and few uses each, nobody won — the problem was solved privately, over and over.
13 extensions
9005 occurrences
9 vendor-named
The extensions
| Extension | What it appears to do | Uses | Providers |
|---|---|---|---|
|
x-ms-pageable
vendor |
`x-ms-pageable` appears on operations. Its value is a structured object. Used by 12 providers across 543 OpenAPI documents. It sits in the `x-ms-` namespace, so its meaning is defined by ms tooling ra | 8747 | 12 |
|
x-speakeasy-pagination
vendor |
`x-speakeasy-pagination` appears on operations. Its value is a structured object. Used by 6 providers across 7 OpenAPI documents. It sits in the `x-speakeasy-` namespace, so its meaning is defined by | 88 | 6 |
| x-paginated-items | `x-paginated-items` appears on schema objects and properties. Its value is a boolean flag. Used by a single provider across 9 OpenAPI documents. Consistent with pagination — this is inferred from wher | 64 | 1 |
| x-pagination | `x-pagination` appears on operations. Its value is a structured object. Used by a single provider across 1 OpenAPI document. Consistent with pagination — this is inferred from where the key appears an | 36 | 1 |
|
x-equinix-metal-paginated-property
vendor |
`x-equinix-metal-paginated-property` appears on operations. Its value is a string. Used by 2 providers across 2 OpenAPI documents. It sits in the `x-equinix-` namespace, so its meaning is defined by e | 28 | 2 |
| x-next-cursor | `x-next-cursor` appears on header objects. Its value is a structured object. Used by a single provider across 1 OpenAPI document. Consistent with pagination — this is inferred from where the key appea | 15 | 1 |
|
x-fern-pagination
vendor |
`x-fern-pagination` appears on operations. Its value is a structured object. Used by a single provider across 1 OpenAPI document. It sits in the `x-fern-` namespace, so its meaning is defined by fern | 9 | 1 |
|
x-sendcloud-paginated
vendor |
`x-sendcloud-paginated` appears on operations. Its value is a boolean flag. Used by a single provider across 3 OpenAPI documents. It sits in the `x-sendcloud-` namespace, so its meaning is defined by | 5 | 1 |
|
x-sendcloud-paginated-discriminator
vendor |
`x-sendcloud-paginated-discriminator` appears on operations. Its value is a string. Used by a single provider across 3 OpenAPI documents. It sits in the `x-sendcloud-` namespace, so its meaning is def | 5 | 1 |
|
x-stainless-pagination-property
vendor |
`x-stainless-pagination-property` appears on schema objects and properties and on parameter objects. Its value is a structured object. Used by a single provider across 1 OpenAPI document. It sits in t | 3 | 1 |
|
x-ms-blob-append-offset
vendor |
`x-ms-blob-append-offset` appears on header objects. Its value is a structured object. Used by a single provider across 1 OpenAPI document. It sits in the `x-ms-` namespace, so its meaning is defined | 2 | 1 |
|
x-pingidentity-paginatedresponse
vendor |
`x-pingidentity-paginatedresponse` appears on operations. Its value is a boolean flag. Used by a single provider across 1 OpenAPI document. It sits in the `x-pingidentity-` namespace, so its meaning i | 2 | 1 |
| x-offset | `x-offset` appears on header objects. Its value is a structured object. Used by a single provider across 1 OpenAPI document. Consistent with pagination — this is inferred from where the key appears an | 1 | 1 |
Work with this as data
Every extension here is available over the APIs.io API and to AI agents over MCP. OpenAPI Extensions is not yet its own endpoint on the v1 API. Reach it through catalog search and the tag graph, or the MCP server.
MCP server
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https://apis.io/mcp
Tools for openapi extensions
3 MCP tools reach this
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
Search the catalog
curl "https://apis.io/api/v1/search?q=pagination&limit=10"
Everything under a tag
curl "https://apis.io/api/v1/tags/pagination"Discovery needs no key. Ratings and market analysis are Pro.