LabelLink

LL US pesticide products from EPA labels: registration, ingredients, crops and pests, restricted use.

LabelLink answers questions about US pesticide products from the EPA Pesticide Product and Label System (PPLS): is a product registered, what is in it, which sites and pests its label covers, and is it restricted-use. Every answer links the official label, because the label is the law.

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What it answers

Is EPA registration number 100-1111 registered, cancelled or inactive?
What are its active ingredients, with PC code, CAS number and percent?
Which crops, sites and pests does the label cover?
Is it a restricted-use pesticide, and where is the latest label PDF?
Which products contain a given ingredient?

What it holds now

LL-PPLS Product records: loading

Read live from https://api.elysianintelligence.com/labellink/status.

Example

curl "https://api.elysianintelligence.com/labellink/v1/product/100-1111" \
  -H "Authorization: Bearer $EP_KEY"

{
  "epa_reg_no": "100-1111",
  "product_name": "ARCHER INSECT GROWTH REGULATOR",
  "company_name": "SYNGENTA CROP PROTECTION, LLC",
  "status": "registered",
  "rup": false,
  "signal_word": "Caution",
  "ingredients": [
    {
      "name": "Pyriproxyfen",
      "pc_code": "129032",
      "cas": "95737-68-1",
      "percent": 1.3
    }
  ],
  "sites": [
    "POULTRY HOUSES (ENCLOSED PREMISE TREATMENT)",
    "FACTORIES (INDOOR INEDIBLE)"
  ],
  "pests": [
    "FLEAS",
    "TICKS"
  ],
  "latest_label_url": "https://www3.epa.gov/pesticides/chem_search/ppls/000100-01111-20151022.pdf"
}

Shortened. Field names are the API's own; the values come from the public sources, read on 18 Oct 2026.

Endpoints

Every route is also an MCP tool with the same input and output, at https://api.elysianintelligence.com/labellink/mcp.

REST route	MCP tool	What it does
`GET /v1/product/{epa_reg_no}`	`get_pesticide_product`	The full record. Accepts 524-475 and 000524-00475.
`GET /v1/search?ingredient=&name=&company=&site=&pest=&rup=&status=`	`search_pesticides`	Search with any mix of filters.
`GET /v1/ingredient/{name_or_pc_code}`	`products_by_ingredient`	Products with the ingredient, with counts.

Sources, licences and refresh

Source	Licence	Updates
EPA Pesticide Product and Label System (PPLS)	US government work, public domain	EPA updates twice a day; we read the list every 12 hours and each registered product about every 30 days