The Best Curated L402 + x402 API Directory

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: Top 50 pubkeys by PageRank

[L402] [confirmed] 0 sats/per-request [-----] (0)

wot.klabo.world/top

Leaderboard of the highest-ranked pubkeys in the trust graph with normalized scores and follower counts.

#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: Resolve NIP-05 identifier to trust profile

[L402] [confirmed] 1 sats/per-request [-----] (0)

wot.klabo.world/nip05?id=test

Resolves a NIP-05 identifier (user@domain.com) to its pubkey via .well-known/nostr.json, then returns the full WoT trust profile including score, trust level, engagement metrics, and topics.

#data #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: Side-by-side trust comparison of two pubkeys

[L402] [confirmed] 2 sats/per-request [-----] (0)

wot.klabo.world/compare?a=test&b=test

Compares two pubkeys: scores, ranks, percentiles, direct relationship, shared follows/followers with Jaccard similarity, and trust path.

#identity

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: Follow recommendations via friends-of-friends

[L402] [confirmed] 2 sats/per-request [-----] (0)

wot.klabo.world/recommend?pubkey=test

Recommends pubkeys that many of your follows also follow, weighted by mutual follow ratio (60%) and WoT score (40%).

#identity

WoT Scoring API: Find pubkeys with similar follow graphs

[L402] [confirmed] 2 sats/per-request [-----] (0)

wot.klabo.world/similar?pubkey=test

Jaccard similarity (70%) + WoT score (30%) to discover pubkeys with overlapping follow sets.

#identity #search