NFT Alpha: OpenSea NFT market signals for one or many currently watched OpenSea collection
NFT Alpha: OpenSea NFT market signals for one or many currently watched OpenSea collection slugs. Body: { collection: string } or { collections: string[] }; omit the body to query all watched collections. Returns listing/sale/bid counts, price stats, sell-through, and signals such as HIGH_DEMAND, UNDERPRICED_LISTING, BID_FRENZY, DUMP_WARNING, LOW_DEMAND. NFT Alpha OpenSea market signals for NFT listings, sales, bids, floor price, and bid frenzy. Not financial advice.
20000 (raw units)
price
36
calls / 30d
3
unique payers
2026-09-12
updated
Provider
nft-alpha-x402.fly.dev · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0xfBC0eb7811D477E55261d956dF39f0046E192240",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "20000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"body": {
"collection": "pudgypenguins"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"meta": {
"buffered_collections": 1,
"disclaimer": "Signals describe recent buffered OpenSea activity and are not financial advice.",
"last_stream_error": null,
"last_stream_error_at": null,
"last_stream_event_at": "2026-08-26T12:00:00.000Z",
"queried": 1,
"stream_status": "live_data_available",
"upstream_stream_status": "connected",
"watched_collections": [
"boredapeyachtclub",
"mutant-ape-yacht-club",
"azuki",
"pudgypenguins",
"milady",
"doodles-official",
"degods",
"cryptopunks"
],
"window_minutes": 5,
"with_data": 1
},
"ok": true,
"results": [
{
"activity": {
"bids": 31,
"listings": 12,
"offers": 5,
"sales": 9
},
"collection": "pudgypenguins",
"prices": {
"avg_list": 11.2,
"avg_sale": 12.1,
"min_list": 9.8
},
"ratios": {
"bid_to_list": 2.58,
"sell_through": 0.75
},
"signal_count": 1,
"signals": [
{
"detail": "2.6x bids per listing",
"type": "BID_FRENZY"
}
],
"timestamp": "2026-08-26T12:00:00.000Z",
"window_minutes": 5
}
]
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"oneOf": [
{
"required": [
"collection"
]
},
{
"required": [
"collections"
]
},
{
"maxProperties": 0
}
],
"properties": {
"collection": {
"description": "Currently watched OpenSea collection slug, for example pudgypenguins",
"enum": [
"boredapeyachtclub",
"mutant-ape-yacht-club",
"azuki",
"pudgypenguins",
"milady",
"doodles-official",
"degods",
"cryptopunks"
],
"maxLength": 101,
"minLength": 1,
"pattern": "^[a-z0-9][a-z0-9-]{0,100}$",
"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"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"meta": {
"properties": {
"buffered_collections": {
"type": "integer"
},
"disclaimer": {
"type": "string"
},
"empty_result_explanation": {
"type": "string"
},
"last_stream_error": {
"type": [
"string",
"null"
]
},
"last_stream_error_at": {
"type": [
"string",
"null"
]
},
"last_stream_event_at": {
"type": [
"string",
"null"
]
},
"next_queries": {
"type": "array"
},
"note": {
"type": "string"
},
"queried": {
"type": "integer"
},
"stream_status": {
"type": "string"
},
"unwatched": {
"type": "array"
},
"upstream_stream_status": {
"type": "string"
},
"watched_collections": {
"items": {
"type": "string"
},
"type": "array"
},
"window_minutes": {
"type": "number"
},
"with_data": {
"type": "integer"
}
},
"required": [
"queried",
"with_data",
"watched_collections",
"buffered_collections",
"window_minutes",
"upstream_stream_status",
"stream_status",
"disclaimer"
],
"type": "object"
},
"ok": {
"const": true
},
"results": {
"items": {
"properties": {
"activity": {
"type": "object"
},
"collection": {
"type": "string"
},
"prices": {
"type": "object"
},
"ratios": {
"type": "object"
},
"signal_count": {
"type": "integer"
},
"signals": {
"type": "array"
},
"timestamp": {
"type": "string"
},
"window_minutes": {
"type": "number"
}
},
"required": [
"collection",
"window_minutes",
"activity",
"prices",
"ratios",
"signals",
"signal_count"
],
"type": "object"
},
"type": "array"
}
},
"required": [
"ok",
"results",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
}Use it
curl
curl "https://nft-alpha-x402.fly.dev/api/nft-signal" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://nft-alpha-x402.fly.dev/api/nft-signal");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://nft-alpha-x402.fly.dev/api/nft-signal")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/13207.json, and this resource appears in /discovery/resources and /discovery/search.