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SolSigs

payment-readyonline

payment-ready until 2026-10-24

Real-time Solana data APIs plus ProofGuard receipts for AI agents: 22 specialist workers paid per call in USDC via x402 - DEX prices, arbitrage, wallet intelligence, launch detection, plus signed trust scores and payment/fulfillment receipts.

Call it x402 v2

x402 v2

Base URL
https://solsigs.com
Payment
x402 v2, header channel
$ curl -i -X POST 'https://solsigs.com/arb'

An unpaid request returns HTTP 402 with the payment terms. Sign a payment authorization, then retry with the PAYMENT-SIGNATURE header.

Endpoints 22 paid routes on solsigs.com

POST/alertsSolana$0.005since 06-16
POST/alphaSolana$0.006since 06-16
POST/arbSolana$0.01since 06-16
POST/devSolana$0.001since 06-16
POST/dexSolana$0.002since 06-16
POST/launchesSolana$0.003since 06-16
POST/nftSolana$0.004since 06-16
POST/perpsSolana$0.005since 06-16

14 more in Example 402 response

Prices as captured in the 402 response: median $0.004 across the 22 endpoints.

Example 402 response

Endpoints and prices

Current paid endpoints; minimum quoted prices in USD where available; first capture dates in UTC
MethodPathDescriptionPriceNetworkAsset402 channelCaptured
POST/alertsWebhook-based alert system · register callbacks for price thresholds, volume spikes, whale movements$0.005SolanaUSDCheadersince 06-16
POST/alphaAlpha feed · new token launches + insider/smart-money wallet activity signals for first-mover edge$0.006SolanaUSDCheadersince 06-16
POST/arbCross-DEX arbitrage scanner v2 with MEV scoring and sandwich detection · profitable trade opportunities with risk analysis$0.01SolanaUSDCheadersince 06-16
POST/devProtocol developer activity · GitHub commit frequency, contributor counts, audit status for Solana projects$0.001SolanaUSDCheadersince 06-16
POST/dexSolana DEX price data · real-time prices, liquidity, and volume across Jupiter + Birdeye$0.002SolanaUSDCheadersince 06-16
POST/launchesNew token launch detection · spot fresh deployments and snipe opportunities on pump.fun and Raydium$0.003SolanaUSDCheadersince 06-16
POST/nftNFT floor prices, rarity data, wash trading detection · collections from Tensor, Magic Eden, and Solanart$0.004SolanaUSDCheadersince 06-16
POST/perpsPerpetuals intelligence · Jupiter Perps + Drift markets, funding rates, open interest, max leverage$0.005SolanaUSDCheadersince 06-16
POST/predictPolymarket prediction market data · odds, volume, liquidity across political, crypto, sports, and more$0.003SolanaUSDCheadersince 06-16
POST/priceBatch multi-token pricing · real-time prices, OHLCV candlestick history, and token metadata across Jupiter + Birdeye$0.003SolanaUSDCheadersince 06-16
POST/proofguard/evaluateSolSigs ProofGuard endpoint trust evaluation · route-level trust score, payment expectation receipt, fulfillment receipt, and refund evidence package for paid agent endpoints. 0.003 USDC.$0.003SolanaUSDCheadersince 07-01
POST/rpcPay-per-call Solana RPC relay · shared Helius endpoint with built-in rate limiting$0.001SolanaUSDCheadersince 06-16
POST/smartmoneySmart money wallet tracking · top Solana traders, copy-trade signals, portfolio analysis$0.008SolanaUSDCheadersince 06-16
POST/socialOn-chain social sentiment · .sol namespace activity, influencer wallet tracking, engagement scoring$0.004SolanaUSDCheadersince 06-16
POST/stakingCross-protocol staking APY comparison · Marinade, Jito, Blaze, Sanctum rates in real-time$0.002SolanaUSDCheadersince 06-16
POST/summaryAI-powered plain-English market summary · turn raw Solana data into readable insights$0.008SolanaUSDCheadersince 06-16
POST/token-safetyToken safety audit · rug pull detection, LP lock verification, holder analysis, mint/freeze authority checks$0.005SolanaUSDCheadersince 06-16
POST/token-verdictRug-screen verdict for a Solana token. Composes mint/freeze authority, holder concentration, LP lock, wash-trading and smart-money signals into one GO / CAUTION / NO-GO score with reasons. Built to screen new launches and memecoins for rug risk · established tokens that intentionally keep mint/freeze authority (e.g. USDC, USDT) read NO-GO by design. 0.35 USDC.$0.35SolanaUSDCheadersince 07-01
POST/trendingTrending token feed · real-time hot tokens by volume, price action, and social traction$0.004SolanaUSDCheadersince 06-16
POST/trustWallet trust/reputation score · age, DEX history, scam flags, balance signals for counterparty risk$0.003SolanaUSDCheadersince 06-16
POST/walletWallet risk scoring and transaction analysis · detect suspicious patterns, wash trading, and rug risks$0.005SolanaUSDCheadersince 06-16
POST/whaleWhale and smart money wallet tracking · large transfers, accumulation signals, copy-trade discovery$0.006SolanaUSDCheadersince 06-16

Payment evidence

402 payload captured at . Check evidence JSON · Measurement methodology.

Payload 5 of 7 captured by the monitor for POST /arb.

32 lines, scroll inside

{
  "error": "PAYMENT-SIGNATURE header is required",
  "accepts": [
    {
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "extra": {
        "name": "USDC",
        "tags": [
          "solana",
          "defi",
          "arbitrage",
          "mev"
        ],
        "decimals": 6,
        "serviceName": "SolSigs"
      },
      "payTo": "HZAkkKbhN9hfJBiNxCuwap7XtPXgniy9MVjJR2MvHSJi",
      "amount": "10000",
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "resource": "http://solsigs.com/arb",
      "description": "Cross-DEX arbitrage scanner v2 with MEV scoring and sandwich detection — profitable trade opportunities with risk analysis",
      "maxAmountRequired": "10000",
      "maxTimeoutSeconds": 60
    }
  ],
  "resource": {
    "url": "http://solsigs.com/arb",
    "description": "Cross-DEX arbitrage scanner v2 with MEV scoring and sandwich detection — profitable trade opportunities with risk analysis"
  },
  "x402Version": 2
}
Other captured 402 responses (6)

Captured payload 1 of 7

{
  "error": "PAYMENT-SIGNATURE header is required",
  "accepts": [
    {
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "extra": {
        "name": "USDC",
        "tags": [
          "prediction",
          "polymarket",
          "markets"
        ],
        "decimals": 6,
        "serviceName": "SolSigs"
      },
      "payTo": "HZAkkKbhN9hfJBiNxCuwap7XtPXgniy9MVjJR2MvHSJi",
      "amount": "3000",
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "resource": "http://solsigs.com/predict",
      "description": "Polymarket prediction market data — odds, volume, liquidity across political, crypto, sports, and more",
      "maxAmountRequired": "3000",
      "maxTimeoutSeconds": 60
    }
  ],
  "resource": {
    "url": "http://solsigs.com/predict",
    "description": "Polymarket prediction market data — odds, volume, liquidity across political, crypto, sports, and more"
  },
  "x402Version": 2
}

Captured payload 2 of 7

{
  "error": "PAYMENT-SIGNATURE header is required",
  "accepts": [
    {
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "extra": {
        "name": "USDC",
        "tags": [
          "solana",
          "ai",
          "analytics"
        ],
        "decimals": 6,
        "serviceName": "SolSigs"
      },
      "payTo": "HZAkkKbhN9hfJBiNxCuwap7XtPXgniy9MVjJR2MvHSJi",
      "amount": "8000",
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "resource": "http://solsigs.com/summary",
      "description": "AI-powered plain-English market summary — turn raw Solana data into readable insights",
      "maxAmountRequired": "8000",
      "maxTimeoutSeconds": 60
    }
  ],
  "resource": {
    "url": "http://solsigs.com/summary",
    "description": "AI-powered plain-English market summary — turn raw Solana data into readable insights"
  },
  "x402Version": 2
}

Captured payload 3 of 7

{
  "error": "PAYMENT-SIGNATURE header is required",
  "accepts": [
    {
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "extra": {
        "name": "USDC",
        "tags": [
          "solana",
          "wallet",
          "risk"
        ],
        "decimals": 6,
        "serviceName": "SolSigs"
      },
      "payTo": "HZAkkKbhN9hfJBiNxCuwap7XtPXgniy9MVjJR2MvHSJi",
      "amount": "5000",
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "resource": "http://solsigs.com/wallet",
      "description": "Wallet risk scoring and transaction analysis — detect suspicious patterns, wash trading, and rug risks",
      "maxAmountRequired": "5000",
      "maxTimeoutSeconds": 60
    }
  ],
  "resource": {
    "url": "http://solsigs.com/wallet",
    "description": "Wallet risk scoring and transaction analysis — detect suspicious patterns, wash trading, and rug risks"
  },
  "x402Version": 2
}

Captured payload 4 of 7

{
  "error": "PAYMENT-SIGNATURE header is required",
  "accepts": [
    {
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "extra": {
        "name": "USDC",
        "tags": [
          "solana",
          "defi",
          "dex"
        ],
        "decimals": 6,
        "serviceName": "SolSigs"
      },
      "payTo": "HZAkkKbhN9hfJBiNxCuwap7XtPXgniy9MVjJR2MvHSJi",
      "amount": "2000",
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "resource": "http://solsigs.com/dex",
      "description": "Solana DEX price data — real-time prices, liquidity, and volume across Jupiter + Birdeye",
      "maxAmountRequired": "2000",
      "maxTimeoutSeconds": 60
    }
  ],
  "resource": {
    "url": "http://solsigs.com/dex",
    "description": "Solana DEX price data — real-time prices, liquidity, and volume across Jupiter + Birdeye"
  },
  "x402Version": 2
}

Captured payload 6 of 7

{
  "error": "PAYMENT-SIGNATURE header is required",
  "accepts": [
    {
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "extra": {
        "name": "USDC",
        "tags": [
          "solana",
          "tokens",
          "launches"
        ],
        "decimals": 6,
        "serviceName": "SolSigs"
      },
      "payTo": "HZAkkKbhN9hfJBiNxCuwap7XtPXgniy9MVjJR2MvHSJi",
      "amount": "3000",
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "resource": "http://solsigs.com/launches",
      "description": "New token launch detection — spot fresh deployments and snipe opportunities on pump.fun and Raydium",
      "maxAmountRequired": "3000",
      "maxTimeoutSeconds": 60
    }
  ],
  "resource": {
    "url": "http://solsigs.com/launches",
    "description": "New token launch detection — spot fresh deployments and snipe opportunities on pump.fun and Raydium"
  },
  "x402Version": 2
}

Captured payload 7 of 7

{
  "error": "PAYMENT-SIGNATURE header is required",
  "accepts": [
    {
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "extra": {
        "name": "USDC",
        "tags": [
          "solana",
          "rpc",
          "infrastructure"
        ],
        "decimals": 6,
        "serviceName": "SolSigs"
      },
      "payTo": "HZAkkKbhN9hfJBiNxCuwap7XtPXgniy9MVjJR2MvHSJi",
      "amount": "1000",
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "resource": "http://solsigs.com/rpc",
      "description": "Pay-per-call Solana RPC relay — shared Helius endpoint with built-in rate limiting",
      "maxAmountRequired": "1000",
      "maxTimeoutSeconds": 60
    }
  ],
  "resource": {
    "url": "http://solsigs.com/rpc",
    "description": "Pay-per-call Solana RPC relay — shared Helius endpoint with built-in rate limiting"
  },
  "x402Version": 2
}

Can I trust it score from our own monitoring

score from our own monitoring

89/100 Solid

#8 of 76 in Blockchain. Bands: strong 93+, solid 75+, mixed 55+, weak below 55.

Reliability
100% uptime 30d
Compliance
A 13/13 checks pass
Price
$0.001 to $0.35 p14 in Blockchain
Risk
clean no risk flag
Traction
$0.00 30d 0 buyers
13/13 compliance checks
  • 402 payload captured
  • accepts[] array present
  • payTo address recoverable
  • payTo at accepts[0].payTo (conformant shape)
  • payTo is a valid on-chain address
  • atomic price declared
  • atomic price in a sane range
  • asset (token) address declared
  • network resolves to CAIP-2
  • payment scheme declared
  • served over HTTPS
  • declares the current x402 version (2)
  • EIP-712 domain parameters present on every EVM entry
  • x402 v2 envelope delivered in the payment-required header

402 terms unchanged since 2026-06-16. Last up 2026-10-17.

── Site signals

  • homepage reachable
  • openapi doc
  • pricing page
  • llms.txt
  • robots.txt
  • terms page
How the score works

What the score read on this service: status online, 100% uptime 30d, 146ms response p95, x402 compliance 13 of 13, $0.001 price against the category, on-chain traction measured. Each of those is measured, and each is published in full below.

The score comes from our own monitoring, never from reviews, operator claims, or a language model: reliability, x402 compliance, price against the category, a deterministic risk flag, and a small on-chain traction term, weighted by ranking generation 3. It is not placement anyone can buy: the paid verify tier is reported beside it and is not one of its inputs. Every component below stays published and read-only.

Bands on the 0 to 100 measured score: strong at 93 and above, solid from 75, mixed from 55, weak below 55. Price and speed are scored against the whole category field, every listing in it that carries no danger flag, the scored service included, so the score places a service in its own field.

It is a score inside Blockchain, and only there: price and speed are scored against the whole category field, every listing in it that carries no danger flag, the scored service included, which here means 76 listings, this one among them: the same 76 the position above is counted against. When the two differ, the field is the wider one, because a listing we have measured too little of to rank still sits in the field the price and the speed are normalized over. The same service in a different field would read differently. The same engine answers GET /api/v1/best, and asked for a different pool (the whole directory, or another filter) it returns a different number for this service under this same ranking generation. Neither is more correct: they answer different questions, and the methodology states which is which.

Traction is a conservative undercount.

All measured facts

What it does

Real-time Solana data APIs plus ProofGuard receipts for AI agents: 22 specialist workers paid per call in USDC via x402 - DEX prices, arbitrage, wallet intelligence, launch detection, plus signed trust scores and payment/fulfillment receipts. No API keys, no subscriptions.

SolSigs is a listed x402 Blockchain API. Captured payment terms name Solana. Monitoring and settlement figures below describe the observations available to this directory; an unpaid HTTP 402 check does not prove that a paid call will deliver.

Assessment computed at . Latest service check observed at . Service data JSON · Measurement methodology.

Page rendered at . This response time is separate from the observation and computation times attached to each measurement.

Latest endpoint observation: . Latest price capture: . Prices are recorded quotes, not a promise of availability. Token assets and payment terms are listed separately. Endpoint data JSON · Price history JSON · Measurement methodology.

Assessment computed at . Uptime uses the stated daily-rollup window; response times are in milliseconds, compliance is passed/evaluated checks, and traction is a measured settlement floor. The comparison score is out of 100 within this category. Assessment JSON · Measurement methodology.

Observed daily coverage: 2026-09-18 to 2026-10-17 UTC. Daily monitoring and settlement rollups do not expose their computation time; a bucket date is not an update timestamp. Uptime and response JSON · Volume JSON · Buyers JSON · Measurement methodology.

Ranked from the measured category pool, refreshed at most once a minute. The comparison has no persisted computation timestamp; the assessment time above belongs to this service only. Ranking API documentation · Ranking methodology.

x402 List home · Services · Blockchain

uptime · latest daily rollup
100%
uptime 7d
100%
uptime 30d
100%
uptime 90d
100%
response p95
146ms
avg response
166ms
total checks
2,710

Measured on the unpaid 402 handshake, not the paid call. A service can 402 correctly and still fail after payment.

price (min)
$0.001
price (max)
$0.35
category percentile (min)
p14 in Blockchain
category percentile (max)
p87 in Blockchain
endpoints / prices
22 / 9
model
tiered
stability
100%

No deterministic risk flag. Risk fires only on an exact blocklist match, or a reserved-brand name with a mismatched verified payTo. Never from low uptime, a high price, or a model guess.

domain age
202d
registrar
Cloudflare, Inc.
hosting
custom
domain created
2026-03-25

Identity facts, not a risk score.

assessment volume 30d
$0.00
exact assessment volume 30d (USD)
0
assessment recorded at (UTC)
2026-10-17T06:43:04.065Z
buyers 30d
0
settlements 30d
0
measured since
--- (start of our harvest window)
last settlement
---
top buyer share
-
top 3 buyers share
-
concentrated volume
no
trend 7d vs 30d
-
networks
solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpKuc147dw2N9d
volume all-time
$0
settlements all-time
0
median settlement 30d
-
max settlement 30d
-

Assessment volume uses the latest 30d assessment. Over time sums daily address snapshots, rounded to cents and refreshed separately. The two sources can differ in timing, precision and shared-address attribution. Amounts use cents for comparison; known sub-cent values keep up to 12 significant digits. The exact stored assessment value is shown above.

Conservative undercount: only USDC settlements via facilitators we measure are counted. A measured floor, not an estimate.

Top buyer share lowers the on-chain traction part of the ranking score behind this page's verdict and /best, by up to half when one address holds all 30d volume. The Recommended and Highest volume sorts of the services list do not use it; they use the Concentrated volume rule instead.

member since
2026-06-01
Recent checks
Latest 18 unpaid HTTP checks, newest first; response times in milliseconds, observation times in UTC
Checked at (UTC)StatusHTTPResponseEndpoints
Online402169ms22
Online402149ms22
Online40276ms22
Online402207ms22
Online402128ms22
Online402101ms22
Online40273ms22
Online402113ms22
Online40287ms22
Online402101ms22
Online402113ms22
Online40289ms22
Online40286ms22
Online40298ms22
Online40296ms22
Online40295ms22
Online40279ms22
Online40293ms22

Changes0 in 30d

No changes recorded in the last 30 days.

all changes

Over time

On-chain volume daily snapshots, USD 30d: $0.00
volume no data in the payload
Distinct buyers per dayDistinct buyers per day
Uptime 100% on all 29 completed days
Volume 30d
$0.00
Uptime
100% on all 29 completed days
Daily on-chain settlement volume in US dollars, 2026-09-18 to 2026-10-17; 30 days have no data in the payload; distinct buyers per day
More charts
Response time daily average, ms min 77ms, avg 166ms, max 307ms

09-18 to 10-17* UTC

Scores over time

x402 compliance low 13/13, high 13/13

09-18 to 10-17* UTC

Price percentile in Blockchain own low to high; exact values below

09-18 to 10-17* UTC

Site signals present (of 6) own low to high; exact values below

09-18 to 10-17* UTC

Scores: one day per column, 09-18 to 10-17*, on the columns of Response time. Uptime held 100% every day in this window, including any partial day. Daily readings remain in the Uptime strip and Values. The checklist grew from 11 to 14 checks on 2026-07-28, before this window. Pillar lines use their own low and high. Exact dated readings are available in each readout and in Values.

Each series spans only the dates it has data for. Every series is also served as JSON at /api/v1/services/solsigs/price, /scores, /volume and /buyers.

Values

* today so far, partial (UTC).

The uptime summary counts completed UTC days only. The strip, readouts and table retain today's partial reading.

Daily snapshot total, no volume data in the last 30d. The visible 30d total in Traction comes from the latest assessment. These sources can differ in their window, refresh time, cent rounding and shared-address attribution.

Daily address snapshots: 2026-09-18 to 2026-10-17 UTC; * today so far, partial (UTC). Daily snapshots store cents. A recorded $0.00 with settlements cannot distinguish exact zero from volume rounded away. Lost precision is unavailable here.

Settlement volume uses the stored USD valuation of tracked payments; it is distinct from token quantities. USD-pegged assets are valued at 1 USD per token in these rollups. The measured settlement floor does not cover all payments to this service.

Assessment history last recorded at . Each UTC day uses its last recorded run; missing readings stay unmeasured. Assessment history JSON · Measurement methodology.

Daily values, 2026-09-18 to 2026-10-17: address settlement volume in USD, distinct buyer and settlement counts, uptime percent, average response milliseconds, compliance passed/total, price percentile 0-100, site signals out of 6; UTC dates
DayVolumeBuyersSettlementsUptimeResponseCompliancePrice percentileSite signals
2026-09-18no datano datano data100%130.96ms13/13p183/6
2026-09-19no datano datano data100%169.69ms13/13p183/6
2026-09-20no datano datano data100%148.52ms13/13p183/6
2026-09-21no datano datano data100%161.50ms13/13p183/6
2026-09-22no datano datano data100%200.90ms13/13p183/6
2026-09-23no datano datano data100%189.44ms13/13p173/6
2026-09-24no datano datano data100%152.62ms13/13p173/6
2026-09-25no datano datano data100%150.09ms13/13p163/6
2026-09-26no datano datano data100%222.57ms13/13p163/6
2026-09-27no datano datano data100%145.62ms13/13p163/6
2026-09-28no datano datano data100%240.80ms13/13p163/6
2026-09-29no datano datano data100%251.90ms13/13p153/6
2026-09-30no datano datano data100%219.38ms13/13p153/6
2026-10-01no datano datano data100%188.51ms13/13p153/6
2026-10-02no datano datano data100%158.09ms13/13p153/6
2026-10-03no datano datano data100%222.88ms13/13p153/6
2026-10-04no datano datano data100%227.60ms13/13p143/6
2026-10-05no datano datano data100%307.16ms13/13p143/6
2026-10-06no datano datano data100%203.66ms13/13p143/6
2026-10-07no datano datano data100%186.80ms13/13p143/6
2026-10-08no datano datano data100%173.80ms13/13p153/6
2026-10-09no datano datano data100%122.92ms13/13p153/6
2026-10-10no datano datano data100%109.66ms13/13p153/6
2026-10-11no datano datano data100%112.51ms13/13p153/6
2026-10-12no datano datano data100%121.27ms13/13p153/6
2026-10-13no datano datano data100%76.69ms13/13p153/6
2026-10-14no datano datano data100%94.19ms13/13p143/6
2026-10-15no datano datano data100%98.97ms13/13p143/6
2026-10-16no datano datano data100%95.29ms13/13p143/6
2026-10-17*no datano datano data100%94.92ms13/13p143/6

Alternatives in Blockchain

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Pocket Network strong 94/100 100% up 30d $136.71 30d
SolEnrich strong 93/100 100% up 30d $92.82 30d

5 of 75 other ranked services in Blockchain, ordered by the same measured score.

see the whole category

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Markdown

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HTML, live uptime variant

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</a>
Delisting

To request delisting, email info@x402-list.com or update your listing at /services/solsigs/update.