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the best curated L402 + x402 API directory
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The Best Curated L402 + x402 API Directory

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WoT Scoring API: NIP-85 authorization tracking
[L402] [dead] 0 sats/per-request [-----] (0)
wot.klabo.world/authorized
Shows which users have explicitly authorized a specific NIP-85 scoring provider via kind 10040 events. Without a pubkey, shows our own authorized users.
#identity
WoT Scoring API: Trust communities via label propagation
[L402] [dead] 0 sats/per-request [-----] (0)
wot.klabo.world/communities
Without a pubkey, returns top 20 communities. With a pubkey, returns the community that pubkey belongs to with top members.
#identity
WoT Scoring API: Trust assessment for a Nostr relay
[L402] [dead] 0 sats/per-request [-----] (0)
wot.klabo.world/relay?url=test
Combines infrastructure trust data from trustedrelays.xyz (reliability, quality, uptime) with operator social reputation from PageRank. 70/30 blend of infrastructure and social scores.
#data #identity
WoT Scoring API: Export all scores
[L402] [dead] 0 sats/per-request [-----] (0)
wot.klabo.world/export
Full export of all pubkeys with their raw PageRank scores and normalized ranks. Useful for research and analysis.
#identity #search
WoT Scoring API: Service statistics
[L402] [dead] 0 sats/per-request [-----] (0)
wot.klabo.world/stats
Graph size, edge count, algorithm parameters, relay list, rate limits, and last build timestamp.
#data #identity
WoT Scoring API: NIP-85 metadata for a pubkey
[L402] [dead] 0 sats/per-request [-----] (0)
wot.klabo.world/metadata?pubkey=test
Returns all collected metadata: follower count, post/reply counts, reactions, zaps, topics, active hours, reports sent/received, and account age.
#data #identity
WoT Scoring API: Score for external identifiers (hashtags, URLs)
[L402] [dead] 0 sats/per-request [-----] (0)
wot.klabo.world/external
Trust-weighted engagement scoring for NIP-73 external identifiers. Without an ID parameter, returns top 50 trending identifiers.
#identity
WoT Scoring API: Engagement score for a Nostr event
[L402] [dead] 0 sats/per-request [-----] (0)
wot.klabo.world/event?id=test
Returns engagement metrics (comments, reposts, reactions, zaps) and a normalized rank for a specific event ID.
#data #identity
WoT Scoring API: Check up to 100 pubkeys for spam
[L402] [dead] 10 sats/per-request [-----] (0)
wot.klabo.world/spam/batch
Batch spam filtering for contact lists or relay event feeds. Returns classification and probability for each pubkey plus summary counts.
#identity
WoT Scoring API: Multi-signal spam classification
[L402] [dead] 2 sats/per-request [-----] (0)
wot.klabo.world/spam?pubkey=test
Classifies a pubkey as likely_human, suspicious, or likely_spam using 6 weighted signals: WoT score (30%), follower ratio (15%), account age (15%), engagement (15%), reports (15%), activity pattern (10%).
#identity
WoT Scoring API: Trust evolution timeline for a pubkey
[L402] [dead] 2 sats/per-request [-----] (0)
wot.klabo.world/timeline?pubkey=test
Monthly time-series of follower growth, estimated trust scores, and follow velocity. Reconstructed from follow event timestamps.
#identity
WoT Scoring API: Time-decay adjusted trust score
[L402] [dead] 1 sats/per-request [-----] (0)
wot.klabo.world/decay?pubkey=test
Exponential decay where newer follows weigh more. Configurable half-life reveals emerging vs legacy reputation. Shows delta between static and decayed scores.
#identity
WoT Scoring API: Reverse NIP-05 lookup from pubkey
[L402] [dead] 2 sats/per-request [-----] (0)
wot.klabo.world/nip05/reverse?pubkey=test
Given a pubkey, fetches their kind 0 profile from relays, extracts the NIP-05 identifier, and bidirectionally verifies it resolves back to the same pubkey.
#identity
WoT Scoring API: Resolve up to 50 NIP-05 identifiers concurrently
[L402] [dead] 5 sats/per-request [-----] (0)
wot.klabo.world/nip05/batch
Batch NIP-05 resolution with trust profiles. Enables clients to verify and trust-score entire contact lists or directories in a single request.
#identity
WoT Scoring API: D3.js-compatible trust graph visualization
[L402] [dead] 3 sats/per-request [-----] (0)
wot.klabo.world/weboftrust?pubkey=test
Returns a force-directed graph (nodes + links) centered on a pubkey. Nodes colored by relationship type (follow, follower, mutual) and sized by WoT score.
#identity #media
WoT Scoring API: Find shortest trust path between two pubkeys
[L402] [dead] 0 sats/per-request [-----] (0)
wot.klabo.world/graph
BFS shortest path through the follow graph (up to 6 hops). Each node annotated with WoT score. Also supports single pubkey info mode.
#identity
WoT Scoring API: Score up to 100 pubkeys in one request
[L402] [dead] 10 sats/per-request [-----] (0)
wot.klabo.world/batch
Batch scoring for clients that need to evaluate many pubkeys at once. Returns scores, follower counts, and composite scores.
#identity
WoT Scoring API: Get trust score for a pubkey
[L402] [dead] 1 sats/per-request [-----] (0)
wot.klabo.world/score?pubkey=test
Returns normalized PageRank trust score (0-100), composite score from external NIP-85 providers, follower count, engagement metrics, topics, active hours, and reports. Accepts hex pubkeys or NIP-19 npub format.
#data #identity
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