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GRE/SAT Vocabulary Practice API
x402
GRE/SAT Vocabulary Practice API is a paid API for AI agents from x402.forgemesh.io, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-15).
Returns curated high-difficulty GRE/SAT vocabulary words with definitions, usage examples, synonyms, and difficulty ratings for adaptive study sessions.
Price / call$0.002
Success—
StatusUnknown
How this service works
GRE and SAT vocabulary practice API: draws from 150 curated high-difficulty words — perspicacious, recalcitrant, ephemeral tier — each with definition, usage example, synonyms, and an advanced/expert rating so study agents can ramp difficulty as learners progress.
Output
Returns a list of 1–10 curated high-difficulty vocabulary words, each with its definition, a contextual usage example, synonyms, and an advanced/expert difficulty rating drawn from a pool of 150 GRE/SAT-tier words.
Example use cases
Example prompt
“Give me 5 expert-difficulty GRE vocabulary words starting with 'P' — I need each one with a definition, a usage example, and synonyms so I can study.”
Technical details
Endpoint
POSThttps://x402.forgemesh.io/gre-vocabularyWhen to prefer
Use this endpoint when building adaptive vocabulary study tools, GRE/SAT prep agents, or flashcard systems that need curated high-difficulty words with rich metadata (definitions, examples, synonyms, difficulty tiers). Prefer over generic dictionary APIs when you specifically want test-prep-caliber vocabulary with built-in difficulty progression support.
Side effects
- Invalid count value (outside 1–10 range) returns an error
- Unknown difficulty value other than 'advanced' or 'expert' may return an error or be ignored
- No words available matching the starts_with letter filter returns empty or reduced results
- Micro-payment failure (x402 protocol) blocks access to the endpoint
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| count | string | Words to return, 1-10 (default 1) |
| difficulty | string | Optional: advanced or expert |
| starts_with | string | Optional: single starting letter |
Output
Schema · Response
{
"type": "json",
"example": {
"words": [
{
"word": "ephemeral",
"example": "The beauty of the cherry blossoms is ephemeral.",
"synonyms": [
"fleeting",
"transient",
"momentary"
],
"definition": "lasting for a very short time",
"difficulty": "advanced",
"part_of_speech": "adjective"
}
]
}
}Tags
x402
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