Zamp Registrations API

The Registrations API from Zamp — 1 operation(s) for registrations.

Operations 1

GET /registrations GET /registrations #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • 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.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/zamp:zamp-registrations-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

zamp-registrations-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Zamp Registrations API
  version: '2026-10-15'
  description: 'GENERATED FROM DOCUMENTATION by API Evangelist on 2026-10-15: 9 operation(s) read from 11 public documentation page(s) (each operation names its page in x-source). This is not the provider''s published contract; Zamp has published no machine-readable contract that the pipeline could find. Engine: local.'
  x-evidence-tiers:
    code-example: 11
    documentation: -2
    pages-with-code: 10
    pages-read: 11
  x-generated-from: documentation
  x-provenance: generated
  x-authored-by: API Evangelist
  x-generated: '2026-10-15'
  x-generator: generate-contract-from-docs.py
  x-engine: local
  x-sources:
  - https://developer.zamp.com/api-reference/filings.md
  - https://developer.zamp.com/api-reference/addresses.md
  - https://developer.zamp.com/api-reference/companies.md
  - https://developer.zamp.com/api-reference/introduction
  - https://developer.zamp.com/api-reference/tax-codes.md
  - https://developer.zamp.com/api-reference/calculations.md
  - https://developer.zamp.com/api-reference/introduction.md
  - https://developer.zamp.com/api-reference/transactions.md
  - https://developer.zamp.com/api-reference/registrations.md
  - https://developer.zamp.com/index.md
  - https://developer.zamp.com/guides/quickstart.md
servers:
- url: https://api.zamp.com
security:
- bearer: []
tags:
- name: Registrations
paths:
  /registrations:
    get:
      operationId: get_registrations
      tags:
      - Registrations
      summary: GET /registrations
      x-source: https://developer.zamp.com/api-reference/registrations.md
      responses:
        '200':
          description: Success (shape read from the example response on the page)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GetRegistrationsResponse'
      x-evidence:
        kind: code-example
        language: curl
        snippet: 'curl -G https://api.zamp.com/registrations  -H "Authorization: Bearer {token}"  -d state=KS

          ```'
components:
  schemas:
    GetRegistrationsResponse:
      type: object
      properties:
        state:
          type: string
        registration:
          type: object
          properties:
            taxId:
              type: string
            startedAt:
              type: string
              format: date
            endedAt:
              type:
              - string
              - 'null'
        location:
          type: object
          properties:
            line1:
              type: string
            line2:
              type:
              - string
              - 'null'
            city:
              type: string
            state:
              type: string
            zip:
              type: string
        frequencies:
          type: array
          items:
            type: object
            properties:
              code:
                type: string
              startedAt:
                type: string
                format: date
              endedAt:
                type:
                - string
                - 'null'
  securitySchemes:
    bearer:
      type: http
      scheme: bearer