Call when an agent needs Polymarket markets from the public Gamma API, with outc
Call when an agent needs Polymarket markets from the public Gamma API, with outcomes, prices, decimal odds, volume, liquidity, and end date. Optional search, tag, limit, active, and closed. Send JSON {"tag":"bitcoin","limit":1,"active":true,"closed":false}. Exact $0.005 USDC on Base. Try unpaid POST /v1/sandbox/polymarket-markets first.
Not tested: has real-world effectsour last check, 2026-10-24
0 of 0checks answered this week
n/amedian answer time
$0.005listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://agentshelf.syntexa.ch/v1/polymarket-markets
| Category | Code and developer |
|---|---|
| Provider host | agentshelf.syntexa.ch |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
We never call tools that send, buy, move money or file anything, not even without paying.
Example input (from the provider)
{
"body": {
"active": true,
"closed": false,
"limit": 1,
"tag": "bitcoin"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"examples": [
{
"active": true,
"closed": false,
"limit": 1,
"tag": "bitcoin"
}
],
"properties": {
"active": {
"default": true,
"description": "When true, keep markets Gamma marks active. Example: true. Omit it for the default, which is active markets only.",
"examples": [
true
],
"type": "boolean"
},
"closed": {
"default": false,
"description": "When true, keep markets Gamma marks closed. Example: false. Omit it to leave closed markets out.",
"examples": [
false
],
"type": "boolean"
},
"limit": {
"default": 10,
"description": "How many markets to return. Example: 1. Default 10. At most 20. Ordered by volume when Gamma provides it.",
"examples": [
1
],
"maximum": 20,
"minimum": 1,
"type": "integer"
},
"search": {
"description": "Search text for the public Gamma API. Example: bitcoin. Omit it to list markets without a text query.",
"maxLength": 80,
"minLength": 2,
"pattern": "^[^#&?]{2,80}$",
"type": "string"
},
"tag": {
"description": "Polymarket tag slug or numeric tag id. Example: bitcoin. Resolved through gamma-api.polymarket.com. Omit it for no tag filter.",
"examples": [
"bitcoin"
],
"pattern": "^[A-Za-z0-9-]{1,40}$",
"type": "string"
}
},
"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,
"examples": [
{
"active": true,
"billed": true,
"closed": false,
"limit": 1,
"markets": [
{
"active": true,
"closed": false,
"end_date": "2027-01-01T05:00:00Z",
"id": "701502",
"liquidity": "257144.96854",
"outcomes": [
{
"name": "Yes",
"odds": "24.0963",
"price": "0.0415"
},
{
"name": "No",
"odds": "1.0432",
"price": "0.9585"
}
],
"question": "Will Bitcoin dip to $45,000 by December 31, 2026?",
"slug": "will-bitcoin-dip-to-45000-by-december-31-2026-674-923-755-971-998-525-926-245-316-517-544-589-965-923-986-841-815-224-586-231-289-533-573",
"volume": "8743458.726812001"
}
],
"ok": true,
"receipt_id": "rcpt_01EXAMPLE000000000000000",
"search": null,
"tag": "bitcoin",
"warnings": []
}
],
"properties": {
"active": {
"examples": [
true
],
"type": "boolean"
},
"billed": {
"examples": [
true
],
"type": "boolean"
},
"closed": {
"examples": [
false
],
"type": "boolean"
},
"limit": {
"examples": [
1
],
"exclusiveMinimum": 0,
"maximum": 20,
"type": "integer"
},
"markets": {
"examples": [
[
{
"active": true,
"closed": false,
"end_date": "2027-01-01T05:00:00Z",
"id": "701502",
"liquidity": "257144.96854",
"outcomes": [
{
"name": "Yes",
"odds": "24.0963",
"price": "0.0415"
},
{
"name": "No",
"odds": "1.0432",
"price": "0.9585"
}
],
"question": "Will Bitcoin dip to $45,000 by December 31, 2026?",
"slug": "will-bitcoin-dip-to-45000-by-december-31-2026-674-923-755-971-998-525-926-245-316-517-544-589-965-923-986-841-815-224-586-231-289-533-573",
"volume": "8743458.726812001"
}
]
],
"items": {
"additionalProperties": false,
"properties": {
"active": {
"type": "boolean"
},
"closed": {
"type": "boolean"
},