cURL
curl -sS \
-H "Authorization: Bearer $OXINSIDER_API_KEY" \
'https://api.0xinsider.com/api/v1/sports/pre-game-sides?category=Basketball&horizon_hours=12&min_grade=B&limit=10'import requests
url = "https://api.0xinsider.com/api/v1/sports/pre-game-sides"
headers = {"Authorization": "Bearer <token>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};
fetch('https://api.0xinsider.com/api/v1/sports/pre-game-sides', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.0xinsider.com/api/v1/sports/pre-game-sides",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://api.0xinsider.com/api/v1/sports/pre-game-sides"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("Authorization", "Bearer <token>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://api.0xinsider.com/api/v1/sports/pre-game-sides")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.0xinsider.com/api/v1/sports/pre-game-sides")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body{
"object": "list",
"data": [
{
"side": "<string>",
"ranked_at": "2023-11-07T05:31:56Z",
"backing_score": 123,
"side_share": 123,
"condition_id": "<string>",
"signal_created_at": "2023-11-07T05:31:56Z",
"token_id": "<string>",
"category": "<string>",
"raw_category": "<string>",
"title": "<string>",
"event_slug": "<string>",
"game_start_time": "2023-11-07T05:31:56Z",
"piled_side": "<string>",
"piled_outcome_index": 123,
"sharp_pct": 123,
"backed_sharp_usd": 123,
"s_count": 123,
"a_count": 123,
"b_count": 123,
"graded_holders": 123,
"top_grade": "S",
"smart_score": 123,
"volume": 123,
"net_side": "BUY",
"conviction_score": 123,
"one_way_holder_count": 123,
"hedged_holder_count": 123,
"one_way_graded_usd": 123,
"directional_confidence": 123,
"directional_rank_score": 123,
"category_skill": {
"status": "live",
"model_version": "<string>",
"taxonomy_version": "<string>",
"platform": "polymarket",
"scope": "observed_goldsky_primary_taker_fill",
"source_coverage": "partial_whale_threshold_fills",
"observation_started_at": "2023-11-07T05:31:56Z",
"as_of": "2023-11-07T05:31:56Z",
"canonical_category": "<string>",
"eligible_holders": 1,
"covered_holders": 1,
"backed_sharp_usd": 1,
"covered_backed_usd": 1,
"coverage_pct": 0.5,
"weighted_edge_mean": 0,
"weighted_holder_lower_mean": 123,
"specialist_backed_usd": 1,
"specialist_backed_usd_pct": 0.5,
"largest_holder_backed_usd_pct": 0.5,
"minimum_holder_event_count": 1
},
"rank": 123
}
],
"has_more": true,
"meta": {
"request_id": "<string>",
"cached": true,
"cost": 123,
"cache_age_s": 123,
"ranking_generation": 123,
"ranking_as_of": "2023-11-07T05:31:56Z",
"directional_source": "live",
"ranking_source": "live",
"category_skill_source": "live",
"category_skill_model_version": "<string>",
"category_skill_taxonomy_version": "<string>",
"category_skill_platform": "polymarket",
"category_skill_scope": "observed_goldsky_primary_taker_fill",
"category_skill_source_coverage": "partial_whale_threshold_fills",
"category_skill_observation_started_at": "2023-11-07T05:31:56Z",
"category_skill_model_operationally_degraded": true,
"category_skill_status_counts": {
"live": 1,
"insufficient": 1,
"stale": 1,
"unknown": 1,
"degraded": 1
},
"category_skill_base_payload_hash": "<string>",
"category_skill_enriched_base_payload_hash": "<string>"
},
"next_cursor": "<string>",
"total": 123
}{
"object": "error",
"error": {
"code": "bad_request",
"message": "<string>",
"doc_url": "<string>",
"param": "<string>",
"retry_at": "2023-11-07T05:31:56Z",
"freshness": {
"max_age_s": 1,
"data_quality_status": "fresh",
"actual_age_s": 1,
"as_of": "2023-11-07T05:31:56Z"
},
"reason": "cursor_expired"
},
"meta": {
"request_id": "<string>",
"cached": true,
"cost": 123,
"cache_age_s": 123,
"ranking_generation": 123,
"ranking_as_of": "2023-11-07T05:31:56Z",
"directional_source": "live",
"ranking_source": "live",
"category_skill_source": "live",
"category_skill_model_version": "<string>",
"category_skill_taxonomy_version": "<string>",
"category_skill_platform": "polymarket",
"category_skill_scope": "observed_goldsky_primary_taker_fill",
"category_skill_source_coverage": "partial_whale_threshold_fills",
"category_skill_observation_started_at": "2023-11-07T05:31:56Z",
"category_skill_model_operationally_degraded": true,
"category_skill_status_counts": {
"live": 1,
"insufficient": 1,
"stale": 1,
"unknown": 1,
"degraded": 1
},
"category_skill_base_payload_hash": "<string>",
"category_skill_enriched_base_payload_hash": "<string>"
}
}{
"object": "error",
"error": {
"code": "bad_request",
"message": "<string>",
"doc_url": "<string>",
"param": "<string>",
"retry_at": "2023-11-07T05:31:56Z",
"freshness": {
"max_age_s": 1,
"data_quality_status": "fresh",
"actual_age_s": 1,
"as_of": "2023-11-07T05:31:56Z"
},
"reason": "cursor_expired"
},
"meta": {
"request_id": "<string>",
"cached": true,
"cost": 123,
"cache_age_s": 123,
"ranking_generation": 123,
"ranking_as_of": "2023-11-07T05:31:56Z",
"directional_source": "live",
"ranking_source": "live",
"category_skill_source": "live",
"category_skill_model_version": "<string>",
"category_skill_taxonomy_version": "<string>",
"category_skill_platform": "polymarket",
"category_skill_scope": "observed_goldsky_primary_taker_fill",
"category_skill_source_coverage": "partial_whale_threshold_fills",
"category_skill_observation_started_at": "2023-11-07T05:31:56Z",
"category_skill_model_operationally_degraded": true,
"category_skill_status_counts": {
"live": 1,
"insufficient": 1,
"stale": 1,
"unknown": 1,
"degraded": 1
},
"category_skill_base_payload_hash": "<string>",
"category_skill_enriched_base_payload_hash": "<string>"
}
}{
"object": "error",
"error": {
"code": "bad_request",
"message": "<string>",
"doc_url": "<string>",
"param": "<string>",
"retry_at": "2023-11-07T05:31:56Z",
"freshness": {
"max_age_s": 1,
"data_quality_status": "fresh",
"actual_age_s": 1,
"as_of": "2023-11-07T05:31:56Z"
},
"reason": "cursor_expired"
},
"meta": {
"request_id": "<string>",
"cached": true,
"cost": 123,
"cache_age_s": 123,
"ranking_generation": 123,
"ranking_as_of": "2023-11-07T05:31:56Z",
"directional_source": "live",
"ranking_source": "live",
"category_skill_source": "live",
"category_skill_model_version": "<string>",
"category_skill_taxonomy_version": "<string>",
"category_skill_platform": "polymarket",
"category_skill_scope": "observed_goldsky_primary_taker_fill",
"category_skill_source_coverage": "partial_whale_threshold_fills",
"category_skill_observation_started_at": "2023-11-07T05:31:56Z",
"category_skill_model_operationally_degraded": true,
"category_skill_status_counts": {
"live": 1,
"insufficient": 1,
"stale": 1,
"unknown": 1,
"degraded": 1
},
"category_skill_base_payload_hash": "<string>",
"category_skill_enriched_base_payload_hash": "<string>"
}
}{
"object": "error",
"error": {
"code": "bad_request",
"message": "<string>",
"doc_url": "<string>",
"param": "<string>",
"retry_at": "2023-11-07T05:31:56Z",
"freshness": {
"max_age_s": 1,
"data_quality_status": "fresh",
"actual_age_s": 1,
"as_of": "2023-11-07T05:31:56Z"
},
"reason": "cursor_expired"
},
"meta": {
"request_id": "<string>",
"cached": true,
"cost": 123,
"cache_age_s": 123,
"ranking_generation": 123,
"ranking_as_of": "2023-11-07T05:31:56Z",
"directional_source": "live",
"ranking_source": "live",
"category_skill_source": "live",
"category_skill_model_version": "<string>",
"category_skill_taxonomy_version": "<string>",
"category_skill_platform": "polymarket",
"category_skill_scope": "observed_goldsky_primary_taker_fill",
"category_skill_source_coverage": "partial_whale_threshold_fills",
"category_skill_observation_started_at": "2023-11-07T05:31:56Z",
"category_skill_model_operationally_degraded": true,
"category_skill_status_counts": {
"live": 1,
"insufficient": 1,
"stale": 1,
"unknown": 1,
"degraded": 1
},
"category_skill_base_payload_hash": "<string>",
"category_skill_enriched_base_payload_hash": "<string>"
}
}{
"object": "error",
"error": {
"code": "bad_request",
"message": "<string>",
"doc_url": "<string>",
"param": "<string>",
"retry_at": "2023-11-07T05:31:56Z",
"freshness": {
"max_age_s": 1,
"data_quality_status": "fresh",
"actual_age_s": 1,
"as_of": "2023-11-07T05:31:56Z"
},
"reason": "cursor_expired"
},
"meta": {
"request_id": "<string>",
"cached": true,
"cost": 123,
"cache_age_s": 123,
"ranking_generation": 123,
"ranking_as_of": "2023-11-07T05:31:56Z",
"directional_source": "live",
"ranking_source": "live",
"category_skill_source": "live",
"category_skill_model_version": "<string>",
"category_skill_taxonomy_version": "<string>",
"category_skill_platform": "polymarket",
"category_skill_scope": "observed_goldsky_primary_taker_fill",
"category_skill_source_coverage": "partial_whale_threshold_fills",
"category_skill_observation_started_at": "2023-11-07T05:31:56Z",
"category_skill_model_operationally_degraded": true,
"category_skill_status_counts": {
"live": 1,
"insufficient": 1,
"stale": 1,
"unknown": 1,
"degraded": 1
},
"category_skill_base_payload_hash": "<string>",
"category_skill_enriched_base_payload_hash": "<string>"
}
}{
"object": "error",
"error": {
"code": "bad_request",
"message": "<string>",
"doc_url": "<string>",
"param": "<string>",
"retry_at": "2023-11-07T05:31:56Z",
"freshness": {
"max_age_s": 1,
"data_quality_status": "fresh",
"actual_age_s": 1,
"as_of": "2023-11-07T05:31:56Z"
},
"reason": "cursor_expired"
},
"meta": {
"request_id": "<string>",
"cached": true,
"cost": 123,
"cache_age_s": 123,
"ranking_generation": 123,
"ranking_as_of": "2023-11-07T05:31:56Z",
"directional_source": "live",
"ranking_source": "live",
"category_skill_source": "live",
"category_skill_model_version": "<string>",
"category_skill_taxonomy_version": "<string>",
"category_skill_platform": "polymarket",
"category_skill_scope": "observed_goldsky_primary_taker_fill",
"category_skill_source_coverage": "partial_whale_threshold_fills",
"category_skill_observation_started_at": "2023-11-07T05:31:56Z",
"category_skill_model_operationally_degraded": true,
"category_skill_status_counts": {
"live": 1,
"insufficient": 1,
"stale": 1,
"unknown": 1,
"degraded": 1
},
"category_skill_base_payload_hash": "<string>",
"category_skill_enriched_base_payload_hash": "<string>"
}
}{
"object": "error",
"error": {
"code": "bad_request",
"message": "<string>",
"doc_url": "<string>",
"param": "<string>",
"retry_at": "2023-11-07T05:31:56Z",
"freshness": {
"max_age_s": 1,
"data_quality_status": "fresh",
"actual_age_s": 1,
"as_of": "2023-11-07T05:31:56Z"
},
"reason": "cursor_expired"
},
"meta": {
"request_id": "<string>",
"cached": true,
"cost": 123,
"cache_age_s": 123,
"ranking_generation": 123,
"ranking_as_of": "2023-11-07T05:31:56Z",
"directional_source": "live",
"ranking_source": "live",
"category_skill_source": "live",
"category_skill_model_version": "<string>",
"category_skill_taxonomy_version": "<string>",
"category_skill_platform": "polymarket",
"category_skill_scope": "observed_goldsky_primary_taker_fill",
"category_skill_source_coverage": "partial_whale_threshold_fills",
"category_skill_observation_started_at": "2023-11-07T05:31:56Z",
"category_skill_model_operationally_degraded": true,
"category_skill_status_counts": {
"live": 1,
"insufficient": 1,
"stale": 1,
"unknown": 1,
"degraded": 1
},
"category_skill_base_payload_hash": "<string>",
"category_skill_enriched_base_payload_hash": "<string>"
}
}{
"object": "error",
"error": {
"code": "bad_request",
"message": "<string>",
"doc_url": "<string>",
"param": "<string>",
"retry_at": "2023-11-07T05:31:56Z",
"freshness": {
"max_age_s": 1,
"data_quality_status": "fresh",
"actual_age_s": 1,
"as_of": "2023-11-07T05:31:56Z"
},
"reason": "cursor_expired"
},
"meta": {
"request_id": "<string>",
"cached": true,
"cost": 123,
"cache_age_s": 123,
"ranking_generation": 123,
"ranking_as_of": "2023-11-07T05:31:56Z",
"directional_source": "live",
"ranking_source": "live",
"category_skill_source": "live",
"category_skill_model_version": "<string>",
"category_skill_taxonomy_version": "<string>",
"category_skill_platform": "polymarket",
"category_skill_scope": "observed_goldsky_primary_taker_fill",
"category_skill_source_coverage": "partial_whale_threshold_fills",
"category_skill_observation_started_at": "2023-11-07T05:31:56Z",
"category_skill_model_operationally_degraded": true,
"category_skill_status_counts": {
"live": 1,
"insufficient": 1,
"stale": 1,
"unknown": 1,
"degraded": 1
},
"category_skill_base_payload_hash": "<string>",
"category_skill_enriched_base_payload_hash": "<string>"
}
}Markets
Pre-game sides
List upcoming Polymarket games ranked by the side S, A, and B wallets hold most of the graded money on.
GET
/
api
/
v1
/
sports
/
pre-game-sides
cURL
curl -sS \
-H "Authorization: Bearer $OXINSIDER_API_KEY" \
'https://api.0xinsider.com/api/v1/sports/pre-game-sides?category=Basketball&horizon_hours=12&min_grade=B&limit=10'import requests
url = "https://api.0xinsider.com/api/v1/sports/pre-game-sides"
headers = {"Authorization": "Bearer <token>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};
fetch('https://api.0xinsider.com/api/v1/sports/pre-game-sides', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.0xinsider.com/api/v1/sports/pre-game-sides",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://api.0xinsider.com/api/v1/sports/pre-game-sides"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("Authorization", "Bearer <token>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://api.0xinsider.com/api/v1/sports/pre-game-sides")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.0xinsider.com/api/v1/sports/pre-game-sides")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body{
"object": "list",
"data": [
{
"side": "<string>",
"ranked_at": "2023-11-07T05:31:56Z",
"backing_score": 123,
"side_share": 123,
"condition_id": "<string>",
"signal_created_at": "2023-11-07T05:31:56Z",
"token_id": "<string>",
"category": "<string>",
"raw_category": "<string>",
"title": "<string>",
"event_slug": "<string>",
"game_start_time": "2023-11-07T05:31:56Z",
"piled_side": "<string>",
"piled_outcome_index": 123,
"sharp_pct": 123,
"backed_sharp_usd": 123,
"s_count": 123,
"a_count": 123,
"b_count": 123,
"graded_holders": 123,
"top_grade": "S",
"smart_score": 123,
"volume": 123,
"net_side": "BUY",
"conviction_score": 123,
"one_way_holder_count": 123,
"hedged_holder_count": 123,
"one_way_graded_usd": 123,
"directional_confidence": 123,
"directional_rank_score": 123,
"category_skill": {
"status": "live",
"model_version": "<string>",
"taxonomy_version": "<string>",
"platform": "polymarket",
"scope": "observed_goldsky_primary_taker_fill",
"source_coverage": "partial_whale_threshold_fills",
"observation_started_at": "2023-11-07T05:31:56Z",
"as_of": "2023-11-07T05:31:56Z",
"canonical_category": "<string>",
"eligible_holders": 1,
"covered_holders": 1,
"backed_sharp_usd": 1,
"covered_backed_usd": 1,
"coverage_pct": 0.5,
"weighted_edge_mean": 0,
"weighted_holder_lower_mean": 123,
"specialist_backed_usd": 1,
"specialist_backed_usd_pct": 0.5,
"largest_holder_backed_usd_pct": 0.5,
"minimum_holder_event_count": 1
},
"rank": 123
}
],
"has_more": true,
"meta": {
"request_id": "<string>",
"cached": true,
"cost": 123,
"cache_age_s": 123,
"ranking_generation": 123,
"ranking_as_of": "2023-11-07T05:31:56Z",
"directional_source": "live",
"ranking_source": "live",
"category_skill_source": "live",
"category_skill_model_version": "<string>",
"category_skill_taxonomy_version": "<string>",
"category_skill_platform": "polymarket",
"category_skill_scope": "observed_goldsky_primary_taker_fill",
"category_skill_source_coverage": "partial_whale_threshold_fills",
"category_skill_observation_started_at": "2023-11-07T05:31:56Z",
"category_skill_model_operationally_degraded": true,
"category_skill_status_counts": {
"live": 1,
"insufficient": 1,
"stale": 1,
"unknown": 1,
"degraded": 1
},
"category_skill_base_payload_hash": "<string>",
"category_skill_enriched_base_payload_hash": "<string>"
},
"next_cursor": "<string>",
"total": 123
}{
"object": "error",
"error": {
"code": "bad_request",
"message": "<string>",
"doc_url": "<string>",
"param": "<string>",
"retry_at": "2023-11-07T05:31:56Z",
"freshness": {
"max_age_s": 1,
"data_quality_status": "fresh",
"actual_age_s": 1,
"as_of": "2023-11-07T05:31:56Z"
},
"reason": "cursor_expired"
},
"meta": {
"request_id": "<string>",
"cached": true,
"cost": 123,
"cache_age_s": 123,
"ranking_generation": 123,
"ranking_as_of": "2023-11-07T05:31:56Z",
"directional_source": "live",
"ranking_source": "live",
"category_skill_source": "live",
"category_skill_model_version": "<string>",
"category_skill_taxonomy_version": "<string>",
"category_skill_platform": "polymarket",
"category_skill_scope": "observed_goldsky_primary_taker_fill",
"category_skill_source_coverage": "partial_whale_threshold_fills",
"category_skill_observation_started_at": "2023-11-07T05:31:56Z",
"category_skill_model_operationally_degraded": true,
"category_skill_status_counts": {
"live": 1,
"insufficient": 1,
"stale": 1,
"unknown": 1,
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}Use this to rank moneyline and prop markets before kickoff. Every row is a market where graded wallets sit heavily on one side, and every raw number behind that reading is in the row, so you can re-rank them yourself. It is not the Pick of the Day selector, and the markets it turns away are measured on Pre-game side observations.
Rows are sorted by
GET /api/v1/sports-edge-signals is the deprecated spelling of this path. It stays live and answers the same body, and its responses carry Deprecation and Link headers that name this path as the successor.
Parameters
| Parameter | Description |
|---|---|
category | A sport bucket such as Basketball, Tennis, or Soccer. A raw Polymarket value such as NBA resolves to its bucket. A value that is not a sport returns an empty list. |
horizon_hours | How far ahead to look for kickoffs, from 1 to 48 hours. The default is 12, and a value outside the range is clamped rather than refused. Games that had already started are never included. |
min_grade | The best grade that must be present on the heavy side: S, A, or B (the default). A needs an S or an A wallet there. C, D, and F answer 400. |
limit | How many markets to return, from 1 to 100. The default is 20, and a value outside the range is clamped rather than refused. |
cursor | The next_cursor from the previous response. |
Key response fields
| Field | Meaning |
|---|---|
ranked_at | When the server computed the snapshot this row came from. Every row in one response shares it, and it is never your request time. The row also carries the same value as the deprecated signal_created_at. |
game_start_time | Kickoff, in UTC. It was in the future when the snapshot was computed. A snapshot is served for about 180 seconds, so a kickoff can be up to about 180 seconds past by the time you read it. |
side, piled_outcome_index | The display label and the column number of the side holding most of the graded money: 0 is the YES column, 1 is the NO column. Neither names a team on its own, so read them together with title. The row also carries the same label as the deprecated piled_side. |
sharp_pct | That side’s share of the graded dollars in the market, above 0.5 and at most 1. |
backed_sharp_usd | The graded dollars on that side, in USD. Size a position from this number, not from sharp_pct. |
s_count, a_count, b_count, graded_holders | How many S, A, and B wallets hold that side, and the sum of the three. |
backing_score | (5*s + 4*a + 3*b) * sharp_pct, over those same counts: graded holders times the share of their money on the side. The row also carries the same value as the deprecated conviction_score. |
side_share | That side’s share of the graded dollars as a signed number, from -1 to 1. The row also carries the same value as the deprecated smart_score. |
directional_confidence | The share of that side’s graded dollars held by wallets backing one team across the whole game, from 0 to 1. It is null when the read did not run, or ran and classified nobody. |
directional_rank_score | The sort key: backing_score * (1 + 0.25 * directional_confidence). It equals backing_score when directional_confidence is null. |
category_skill | Evidence about how these wallets have done in this sport. It never changes which markets appear, their order, their rank, or the cursor. |
meta.ranking_source | live normally. db_only means the live holder read was unavailable and a weaker fallback ranking was used instead. |
meta.directional_source | live normally. degraded means the one-way read failed, so nothing was measured and the ranking fell back to backing_score alone. |
directional_rank_score, then backing_score, then side_share, then condition_id.
A healthy response comes from a snapshot cached for about 180 seconds. When meta.ranking_source or meta.directional_source reports a degraded input, that snapshot is cached for about 30 seconds instead, so it recovers faster.
When a cursor expires
A cursor stops working once the snapshot it came from is replaced. It then answers400 with error.reason cursor_expired and error.param cursor. Request the first page again, and expect no Retry-After, because waiting does not fix it.
A cursor the server cannot read at all is a different 400. It carries error.param cursor and no error.reason.
Example
curl -H "Authorization: Bearer $OXINSIDER_API_KEY" \
"https://api.0xinsider.com/api/v1/sports/pre-game-sides?category=Basketball&horizon_hours=12&min_grade=B&limit=10"
What it does not return
- A game that had already started when the snapshot was computed. Live markets are on Pre-game side observations.
- A market where the money is split near 50/50. A market with no clear heavy side is left out.
- Reconstructed history. Coverage starts at launch and counts only the taker buys that crossed 0xinsider’s whale-alert size thresholds.
- The Pick of the Day. That ranker is editorial and separate from this one.
Caching
Send theETag from a response back in an If-None-Match header. If the list has not changed, you get 304 Not Modified with an empty body.Authorizations
bearerAuthoauth2
Legacy default or named integration API key, or OAuth 2.1 access token, in the Authorization header as Bearer oxi_sk_live_... or Bearer oxi_at_.... Default keys retain full access; integration keys are limited to their approved read, webhooks, export and usage scopes and expire within 90 days. All credentials share the owner's account limits. Data calls require an active Pro subscription and return live data. A 401 carries WWW-Authenticate: Bearer resource_metadata="https://api.0xinsider.com/.well-known/oauth-protected-resource" (RFC 6750 section 3, RFC 9728).
Headers
Opt into strict query-name validation. The default is compatible: unknown names are ignored and reported in X-Query-Ignored. With strict, an unknown name returns 400 bad_request with error.reason unknown_query_parameter before the handler runs, including when its percent escape is incomplete.
Available options:
strict Conditional GET validator from a previous ETag. Matching values return 304 Not Modified with an empty body.
Query Parameters
Optional canonical sport bucket filter (e.g. Basketball, Tennis, Soccer). A raw provider value (NBA) resolves to its canonical bucket. A non-sport category returns an empty list.
Page size.
Required range:
1 <= x <= 100Opaque cursor from a previous response's next_cursor. Encodes the snapshot anchor plus the last row's directional_rank_score, conviction_score, smart_score and condition_id. A cursor from an expired snapshot returns 400.
Kickoff ceiling in hours from now; the floor is now (only games not yet started). Clamped to 1..48.
Required range:
1 <= x <= 48Minimum trader grade required on the piled side. Only S, A, B are accepted (the piled-side grade distribution is S/A/B only; C, D, F return 400). Default B means at least one S/A/B holder is piled; S requires an S holder, A requires an S or A holder.
Available options:
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