AnswerPool

Program Lookup API: Federal assistance-listing (CFDA) resolution: topic or name in, program — USAspending and NIH RePORTER

Federal assistance-listing (CFDA) resolution: topic or name in, program number + title + popular name out. The identifier for US federal grant analyses. Free.

Free — no key, no signup, rate-limited to 60 calls per minute per client.

How do you call it?

GET /v1/funding/programs — product id funding_program_lookup. Over MCP, call answerpool_get with product_id=funding_program_lookup.

curl "https://answerpool.io/v1/funding/programs?q=cancer+research"

Live call: https://answerpool.io/v1/funding/programs?q=cancer+research · JSON sample: /v1/samples/funding_program_lookup

What does the answer look like?

A representative response, the same static sample served at /v1/samples/funding_program_lookup.

as_of2026-09-03T02:00:00Z
count1
disclaimerReference data from USAspending.gov (US federal public domain); not procurement advice.
refresh_after2026-09-18T00:00:00.000Z

programs

program_numbertitlepopular_name
93.398Cancer Research ManpowerCancer Manpower Grants
The same sample as raw JSON
{
 "as_of": "2026-09-03T02:00:00Z",
 "count": 1,
 "programs": [
  {
   "program_number": "93.398",
   "title": "Cancer Research Manpower",
   "popular_name": "Cancer Manpower Grants"
  }
 ],
 "disclaimer": "Reference data from USAspending.gov (US federal public domain); not procurement advice.",
 "refresh_after": "2026-09-18T00:00:00.000Z"
}

How fresh is it, and where does the data come from?

The fastest source behind this answer can change daily, so every response carries a refresh_after timestamp — right now it would be 2026-09-18T00:00:00.000Z. Schedule the next call on that value rather than on a guess.

Method version 0.1.0 · serving cache 7 days · every response carries a result_id you can resolve at /v1/provenance.

When should you use it?

You need the assistance-listing number behind a federal grant program name or topic.

What you skip building

When should you not use it?

Contract (procurement) analysis — use NAICS/PSC lookups instead.

Where else can you find this?