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/assay-systems-com:assay-systems-com-free-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

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.

GitHub Google LinkedIn

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

OpenAPI Specification

openapi: 3.2.0
info:
  title: Assay Systems Com Free API
  version: 1.0.0
  contact:
    email: contact@assay-systems.com
    url: https://assay-systems.com/api-key/
  x-guidance: 'Free: GET /api/v1/search?q=<firm name>&country=<two-letter code> finds a supplier; GET /api/v1/supplier/{country}/{id} returns its record. Paid (x402, USD 0.01 a request, USDC on Base): GET /api/v1/solo lists countries with awards won without a rival; GET /api/v1/solo/{country}?kind=pairs|locks|buyers returns them; GET /api/v1/supplier/{country}/{id}/contracts and /api/v1/line/{country}/{id}/contracts return every contract as a row with the buying office''s contact; GET /api/v1/ending?country=&line=&before=YYYY-MM-DD returns contracts ending soon. Call without payment to get the 402 challenge, then repeat with the PAYMENT-SIGNATURE header (x402 v2).'
  description: 'Operations tagged Free across 2 of this provider''s published API definitions: assay-systems-com-openapi.json, assay-systems-com-openapi.json. Each path carries the servers of the definition it was published in.'
servers:
- url: https://assay-systems.com
tags:
- name: Free
paths:
  /api/v1/search:
    get:
      operationId: search
      summary: Search - find a supplier in the register (free)
      tags:
      - Free
      security: []
      parameters:
      - name: q
        in: query
        required: true
        schema:
          type: string
          minLength: 2
        description: Firm name, two letters or more
      - name: country
        in: query
        required: false
        schema:
          type: string
          pattern: ^[a-z]{2}$
        description: Two-letter country code
      - name: limit
        in: query
        required: false
        schema:
          type: integer
          minimum: 1
          maximum: 25
      responses:
        '200':
          description: Matches
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      type: object
                required:
                - data
    servers:
    - url: https://assay-systems.com
  /api/v1/supplier/{country}/{id}:
    get:
      operationId: supplier
      summary: Supplier - summary record of a firm (free)
      tags:
      - Free
      security: []
      parameters:
      - name: country
        in: path
        required: true
        schema:
          type: string
          pattern: ^[a-z]{2}$
      - name: id
        in: path
        required: true
        schema:
          type: string
        description: Supplier id from /api/v1/search
      responses:
        '200':
          description: Record
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: object
                required:
                - data
        '404':
          description: No such record
    servers:
    - url: https://assay-systems.com
x-refined-from:
- assay-systems-com-openapi.json
- assay-systems-com-openapi.json