NFT Alpha
NFT Alpha: OpenSea market signals for watched collection slugs. Body: { collection } or { collections[] }; omit the body to query all watched collections. Signals: HIGH_DEMAND, UNDERPRICED_LISTING, BID_FRENZY, DUMP_WARNING, LOW_DEMAND. Full contract: /openapi.json + /.well-known/x402.json. Not financial advice.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
419 msmedian answer time
$0.02listed price per call
$0.02price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://nft-alpha-x402.fly.dev/api/nft-signal
| Category | Market data |
|---|---|
| Provider host | nft-alpha-x402.fly.dev |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 38 from 3 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.02 | 419 ms |
Example input (from the provider)
{
"body": {
"collection": "pudgypenguins"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"oneOf": [
{
"required": [
"collection"
]
},
{
"required": [
"collections"
]
},
{
"maxProperties": 0
}
],
"properties": {
"collection": {
"description": "Currently watched OpenSea collection slug, for example pudgypenguins",
"enum": [
"boredapeyachtclub",
"mutant-ape-yacht-club",
"azuki",
"pudgypenguins",
"milady",
"doodles-official",
"degods",
"cryptopunks"
],
"maxLength": 101,
"minLength": 1,
"pattern": "^[a-z0-9][a-z0-9-]{0,100}$",
"type": "string"
},
"collections": {
"description": "Batch query 1 to 10 currently watched OpenSea collection slugs",
"items": {
"enum": [
"boredapeyachtclub",
"mutant-ape-yacht-club",
"azuki",
"pudgypenguins",
"milady",
"doodles-official",
"degods",
"cryptopunks"
],
"maxLength": 101,
"minLength": 1,
"pattern": "^[a-z0-9][a-z0-9-]{0,100}$",
"type": "string"
},
"maxItems": 10,
"minItems": 1,
"type": "array"
}
},
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}