# NIH RePORTER Grants Search

> NIH RePORTER Grants Search is a paid API for AI agents from api.healthtravel-api.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-29).

Searches NIH-funded research grants and projects via the NIH RePORTER database, returning project titles, award amounts, organizations, principal investigators, and fiscal year data.

## Facts

- Endpoint: GET https://api.healthtravel-api.workers.dev/api/health/nih-reporter-grants?utm_source=zero.xyz
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-29
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/nih-reporter-grants-search-19575552
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_LIp1guAehH7rFAZHpM38k

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability nih-reporter-grants-search-19575552
```

Example prompt: Search NIH RePORTER for funded research projects related to 'opioid addiction' and show me the top 10 results including award amounts and the organizations receiving the grants.

## When to prefer this

Use this endpoint when an agent needs structured, official data on federally funded NIH research projects — including award amounts, fiscal years, grantee institutions, and principal investigators — sourced directly from NIH RePORTER. Prefer this over general web search when you need machine-readable, structured grant data with financial figures for biomedical or public health research topics. It is pay-per-call with no API key required, making it suitable for low-frequency lookups without account setup overhead.

## Known failure modes

- Query string shorter than 2 or longer than 100 characters returns a validation error
- No matching grants found returns an empty projects array with total=0
- NIH RePORTER upstream service unavailable causes a 5xx error
- Invalid 'max' value outside 1-20 range may return an error or be clamped
- Payment failure (insufficient USDC balance) results in a 402 response and no charge

## How this service works

NIH RePORTER funded research projects matching a text search (NIH RePORTER API v2): project number, title, fiscal year, award amount, lead organization and principal investigators. Up to 20 projects per call, most relevant first.

## Output

Returns a JSON object containing the search query, total number of matching grants in NIH RePORTER, a source URL, a timestamp, and an array of up to 20 project objects each with: project title, fiscal year, award amount in USD, grantee organization name, NIH project number, and a list of principal investigator names.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "q"
     ],
     "properties": {
      "q": {
       "type": "string",
       "description": "Search words, letters, digits and spaces, 2 to 100 characters"
      },
      "max": {
       "type": "string",
       "description": "How many projects, 1 to 20 (default 5)"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "query": "aspirin",
  "total": 5111,
  "source": "https://reporter.nih.gov/",
  "projects": [
   {
    "title": "Administration Core",
    "fiscalYear": 2026,
    "awardAmount": 48783,
    "organization": "BRIGHAM AND WOMEN'S HOSPITAL",
    "projectNumber": "2U19AI095219-16",
    "principalInvestigators": [
     "Joshua A Boyce"
    ]
   },
   {
    "title": "Biomarkers predicting nasal polyp recurrence in aspirin-exacerbated respiratory disease",
    "fiscalYear": 2026,
    "awardAmount": 223750,
    "organization": "BRIGHAM AND WOMEN'S HOSPITAL",
    "projectNumber": "5R21AI182809-02",
    "principalInvestigators": [
     "Kathleen Mary Buchheit"
    ]
   }
  ],
  "checkedAt": "2026-10-23T09:36:25.726Z"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/nih-reporter-grants-search-19575552/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.healthtravel-api.workers.dev](https://www.zero.xyz/host/api.healthtravel-api.workers.dev/llms.txt)